683 SXUS41 KLWX 182103 RECLWX VAZ507-508-190100- Forecast for Shenandoah National Park Above 2000 Feet National Weather Service Baltimore MD/Washington DC 503 PM EDT Mon May 18 2026 .REST OF THIS AFTERNOON...Sunny. Highs in the upper 80s. .TONIGHT...Mostly clear. Lows in the upper 60s. .TUESDAY...Mostly sunny. Highs in the upper 80s. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. .WEDNESDAY...Sunny in the morning. Showers with a chance of thunderstorms in the afternoon and evening. Highs in the upper 80s. .THURSDAY...Showers likely through the day, then a chance of showers through the night. Lows in the mid 50s. Highs in the lower 60s. .FRIDAY...Showers. Lows around 50. Highs in the upper 50s. $$  785 SXUS43 KMQT 182105 RECMQT MIZ001-190800- Recreational Forecast for Isle Royale National Park National Weather Service Marquette MI 505 PM EDT Mon May 18 2026 Isle Royale (SW areas)- Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge, and Windigo- .TONIGHT...Breezy. Rain showers likely through midnight. A slight chance of thunderstorms. Rain showers late. Patchy fog by midnight. Lows around 39. Northeast winds 10 to 20 mph. Waves 1 to 2 feet building to 3 to 5 feet. .TUESDAY...Cool. A 40 percent chance of rain showers through early afternoon. Patchy fog through early afternoon. Cloudy. Highs 43 to 48. North winds 10 to 20 mph becoming northwest 10 to 15 mph by late morning. Waves subsiding to 1 to 2 feet. .TUESDAY NIGHT...Mostly cloudy through midnight then becoming partly cloudy. Lows around 36. Northwest winds 10 to 15 mph. Waves building to 2 to 3 feet subsiding to calm to 1 foot. .WEDNESDAY...Sunny. Highs around 43 at the shore and 48 to 53 inland. Northwest winds 5 to 10 mph becoming southwest 5 to 15 mph by mid afternoon. Waves building to 1 to 2 feet. .WEDNESDAY NIGHT...Mostly clear. Lows around 38. South winds 5 to 15 mph. Waves subsiding to calm to 1 foot. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 49 at the shore and 55 to 60 inland. Lows around 40. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Highs around 49 at the shore and 54 to 59 inland. Lows around 40. .SATURDAY...A chance of rain showers through early afternoon. Mostly cloudy. Highs around 49 at the shore and 54 to 59 inland. Chance of showers 30 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows around 42. Highs around 51 at the shore and 57 to 62 inland. .MEMORIAL DAY...Partly sunny. Highs around 55 at the shore and 62 to 67 inland. && Isle Royale (NE areas)- Including Greenstone Ridge North, Malone Bay, Mount Saginaw, and Rock Harbor- .TONIGHT...Breezy. Patchy fog. Rain showers likely by midnight. A slight chance of thunderstorms by midnight. Rain showers late. Lows around 37. Northeast winds 10 to 20 mph. Waves 2 to 3 feet building to 3 to 6 feet. .TUESDAY...Breezy, cool. A 20 percent chance of rain showers through early afternoon. Patchy fog through early afternoon. Mostly cloudy. Highs 40 to 45. North winds 15 to 25 mph becoming northwest 10 to 20 mph by late morning. Waves subsiding to 2 to 3 feet. .TUESDAY NIGHT...Mostly cloudy through midnight then clearing. Lows around 35. Northwest winds 10 to 20 mph. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Cool, sunny. Highs around 41 at the shore and 43 to 48 inland. Northwest winds 5 to 15 mph becoming southwest by mid afternoon. Waves subsiding to calm to 1 foot building to 1 to 2 feet. .WEDNESDAY NIGHT...Mostly clear. Lows around 38. South winds 5 to 15 mph. Waves subsiding to calm to 1 foot. .THURSDAY...Warmer, sunny. Highs around 45 at the shore and 49 to 54 inland. .THURSDAY NIGHT...Partly cloudy. Lows around 39. .FRIDAY AND FRIDAY NIGHT...Cool. Mostly cloudy. Highs around 44 at the shore and 48 to 53 inland. Lows around 39. .SATURDAY...Cloudy with a chance of rain showers through early afternoon, then partly sunny by mid afternoon. Highs around 43 at the shore and 49 to 54 inland. Chance of showers 30 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows around 41. Highs around 44 at the shore and 52 to 57 inland. .MEMORIAL DAY...Partly sunny. Highs around 48 at the shore and 56 to 61 inland. && Isle Royale (NW areas)- Including Amygdaloid Island, Lookout Louise, and Minong Mine- .TONIGHT...Breezy. Patchy fog by midnight. Rain showers likely by midnight. A slight chance of thunderstorms by midnight. Rain showers late. Lows around 38. Northeast winds 10 to 20 mph. Waves 2 to 3 feet building to 3 to 5 feet. .TUESDAY...Breezy, cool. A 20 percent chance of rain showers through early afternoon. Patchy fog through early afternoon. Cloudy. Highs 41 to 46. North winds 15 to 25 mph becoming northwest 15 to 20 mph by late morning. Waves subsiding to 2 to 3 feet. .TUESDAY NIGHT...Mostly cloudy through midnight then clearing. Lows around 35. Northwest winds 10 to 20 mph. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Cool, sunny. Highs around 44 at the shore and 46 to 51 inland. Northwest winds 5 to 15 mph becoming southwest by mid afternoon. Waves subsiding to calm to 1 foot building to 1 to 2 feet. .WEDNESDAY NIGHT...Mostly clear. Lows around 38. South winds 5 to 15 mph. Waves subsiding to calm to 1 foot. .THURSDAY...Warmer, sunny. Highs around 47 at the shore and 53 to 58 inland. .THURSDAY NIGHT...Partly cloudy. Lows around 40. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Highs around 45 at the shore and 51 to 56 inland. Lows around 39. .SATURDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs around 47 at the shore and 51 to 56 inland. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows around 41. Highs around 49 at the shore and 55 to 60 inland. .MEMORIAL DAY...Partly sunny. Highs around 52 at the shore and 59 to 64 inland. && Isle Royale (SE areas)- Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay- .TONIGHT...Breezy. Patchy fog. Rain showers likely through midnight. A slight chance of thunderstorms. Rain showers late. Lows around 39. Northeast winds 10 to 20 mph. Waves 2 to 3 feet subsiding to 1 to 2 feet building to 3 to 5 feet. .TUESDAY...Cool. A 50 percent chance of rain showers through early afternoon. Patchy fog through early afternoon. Cloudy. Highs around 42 at the shore and 44 to 49 inland. North winds 10 to 20 mph becoming northwest 10 to 15 mph by late morning. Waves subsiding to 1 to 2 feet. .TUESDAY NIGHT...Mostly cloudy through midnight then becoming partly cloudy. Areas of frost late. Lows around 36. Northwest winds 10 to 15 mph. Waves subsiding to calm to 1 foot. .WEDNESDAY...Sunny. Highs around 43 at the shore and 46 to 51 inland. Northwest winds 5 to 10 mph becoming southwest 5 to 15 mph by mid afternoon. Waves building to 1 to 2 feet. .WEDNESDAY NIGHT...Mostly clear. Lows around 39. South winds up to 10 mph. Waves subsiding to calm to 1 foot. .THURSDAY...Warmer, sunny. Highs around 48 at the shore and 55 to 60 inland. .THURSDAY NIGHT...Partly cloudy. Lows around 40. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Highs around 47 at the shore and 53 to 58 inland. Lows around 40. .SATURDAY...A chance of rain showers through early afternoon. Mostly cloudy. Highs around 46 at the shore and 52 to 57 inland. Chance of showers 30 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows around 42. Highs around 48 at the shore and 56 to 61 inland. .MEMORIAL DAY...Partly sunny. Highs around 51 at the shore and 61 to 66 inland. && $$  897 SXUS42 KCAE 182107 RECCAE Lake Wind Forecast National Weather Service Columbia SC 507 PM EDT Mon May 18 2026 SCZ031-037-038-137-190900- Lake Marion- 507 PM EDT Mon May 18 2026 .TONIGHT...SE winds 5 to 10 kt this evening, becoming light and variable. .TUE...Light and variable winds, becoming SE around 5 kt in the afternoon. .TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. .WED...Light and variable winds, becoming S around 5 kt in the afternoon. .WED NIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after midnight. $$ SCZ020-026>028-190900- Lake Murray-Monticello Reservoir- 507 PM EDT Mon May 18 2026 .TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after midnight. .TUE...Light and variable winds, becoming SE around 5 kt in the afternoon. .TUE NIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after midnight. .WED...SW winds around 5 kt. .WED NIGHT...S winds around 5 kt. $$ GAZ040-063-064-SCZ018-190900- Lake Thurmond- 507 PM EDT Mon May 18 2026 .TONIGHT...S winds around 5 kt. .TUE...Light and variable winds, becoming S around 5 kt in the afternoon. .TUE NIGHT...S winds around 5 kt. .WED...Light and variable winds, becoming SW around 5 kt in the afternoon. .WED NIGHT...S winds around 5 kt in the evening, becoming light and variable. $$ SCZ021-022-190900- Lake Wateree- 507 PM EDT Mon May 18 2026 .TONIGHT...S winds around 5 kt. .TUE...Light and variable winds, becoming S around 5 kt in the afternoon. .TUE NIGHT...S winds around 5 kt. .WED...SW winds around 5 kt. .WED NIGHT...S winds around 5 kt. $$  908 SXUS43 KAPX 182107 RECAPX Recreational Forecast for Sleeping Bear Dunes National Weather Service Gaylord MI 500 PM EDT Mon May 18 2026 .TODAY... TIME (EDT) 5 PM Temp (F)........68 Chc Of Pcpn (%).10 Weather Type....NONE Sky (%).........63 Wind (MPH) dir..SW Wind (MPH) spd..11 Wind (MPH) gust.19 .TONIGHT... TIME (EDT) 6 PM 9 PM MIDNGT 3 AM Temp (F)........68 61 60 58 Chc Of Pcpn (%).10 10 20 50 Weather Type....NONE NONE RAIN RAIN Sky (%).........66 73 73 80 Wind (MPH) dir..S S S S Wind (MPH) spd..11 10 10 14 Wind (MPH) gust.19 17 17 22 .TUESDAY... TIME (EDT) 6 AM 9 AM NOON 3 PM Temp (F)........58 63 63 62 Chc Of Pcpn (%).60 50 40 30 Weather Type....RAIN RAIN RAIN RAIN Sky (%).........86 76 80 81 Wind (MPH) dir..S S SW SW Wind (MPH) spd..16 16 15 13 Wind (MPH) gust.26 26 25 21 Sunrise today is at 6:13 AM EDT, and sunset is at 9:09 PM EDT. $$ Recreational Forecast for Mackinac Island National Weather Service Gaylord MI 500 PM EDT Mon May 18 2026 .TODAY... TIME (EDT) 5 PM Temp (F)........79 Chc Of Pcpn (%).30 Weather Type....RAIN Sky (%).........66 Wind (MPH) dir..SW Wind (MPH) spd..9 Wind (MPH) gust.17 .TONIGHT... TIME (EDT) 6 PM 9 PM MIDNGT 3 AM Temp (F)........78 67 64 63 Chc Of Pcpn (%).30 20 20 40 Weather Type....RAIN RAIN RAIN RAIN Sky (%).........70 66 76 72 Wind (MPH) dir..SW SW SE S Wind (MPH) spd..8 4 3 6 Wind (MPH) gust.14 10 7 12 .TUESDAY... TIME (EDT) 6 AM 9 AM NOON 3 PM Temp (F)........61 66 75 74 Chc Of Pcpn (%).40 50 50 50 Weather Type....RAIN RAIN RAIN RAIN Sky (%).........70 63 64 54 Wind (MPH) dir..S SW SW SW Wind (MPH) spd..9 12 16 16 Wind (MPH) gust.18 20 25 25 Sunrise today is at 6:05 AM EDT, and sunset is at 9:05 PM EDT. $$ Recreational Forecast for Torch Lake National Weather Service Gaylord MI 500 PM EDT Mon May 18 2026 .TODAY... TIME (EDT) 5 PM Temp (F)........79 Chc Of Pcpn (%).30 Weather Type....RAIN Sky (%).........67 Wind (MPH) dir..SW Wind (MPH) spd..8 Wind (MPH) gust.19 .TONIGHT... TIME (EDT) 6 PM 9 PM MIDNGT 3 AM Temp (F)........79 71 67 66 Chc Of Pcpn (%).30 10 10 40 Weather Type....RAIN NONE NONE RAIN Sky (%).........71 63 71 73 Wind (MPH) dir..SW S S S Wind (MPH) spd..7 5 6 6 Wind (MPH) gust.19 14 16 19 .TUESDAY... TIME (EDT) 6 AM 9 AM NOON 3 PM Temp (F)........64 68 73 73 Chc Of Pcpn (%).50 50 40 40 Weather Type....RAIN RAINRAIN RAIN Sky (%).........70 64 52 71 Wind (MPH) dir..SW S SW SW Wind (MPH) spd..8 11 12 12 Wind (MPH) gust.24 28 26 26 Sunrise today is at 6:10 AM EDT, and sunset is at 9:06 PM EDT. $$ Recreational Forecast for Whitefish Point National Weather Service Gaylord MI 500 PM EDT Mon May 18 2026 .TODAY... TIME (EDT) 5 PM Temp (F)........54 Chc Of Pcpn (%).10 Weather Type....NONE Sky (%).........77 Wind (MPH) dir..N Wind (MPH) spd..8 Wind (MPH) gust.10 .TONIGHT... TIME (EDT) 6 PM 9 PM MIDNGT 3 AM Temp (F)........53 47 45 47 Chc Of Pcpn (%).10 10 20 40 Weather Type....NONE NONE RAIN RAIN Sky (%).........79 88 88 92 Wind (MPH) dir..N NE SE SE Wind (MPH) spd..6 6 5 9 Wind (MPH) gust.8 7 6 12 .TUESDAY... TIME (EDT) 6 AM 9 AM NOON 3 PM Temp (F)........46 49 52 47 Chc Of Pcpn (%).60 60 60 30 Weather Type....RAIN RAIN RAIN RAIN Sky (%).........93 84 78 65 Wind (MPH) dir..SE S S W Wind (MPH) spd..13 14 15 17 Wind (MPH) gust.16 18 19 22 Sunrise today is at 6:02 AM EDT, and sunset is at 9:11 PM EDT. $$ Recreational Forecast for Pigeon River State Forest National Weather Service Gaylord MI 500 PM EDT Mon May 18 2026 .TODAY... TIME (EDT) 5 PM Temp (F)........81 Chc Of Pcpn (%).40 Weather Type....RAIN Sky (%).........67 Wind (MPH) dir..SW Wind (MPH) spd..7 Wind (MPH) gust.18 .TONIGHT... TIME (EDT) 6 PM 9 PM MIDNGT 3 AM Temp (F)........81 71 66 65 Chc Of Pcpn (%).40 10 10 30 Weather Type....RAIN NONE NONE RAIN Sky (%).........68 64 70 65 Wind (MPH) dir..SW S S S Wind (MPH) spd..7 5 6 7 Wind (MPH) gust.17 13 14 18 .TUESDAY... TIME (EDT) 6 AM 9 AM NOON 3 PM Temp (F)........64 68 75 76 Chc Of Pcpn (%).30 40 40 50 Weather Type....RAIN RAIN RAIN RAIN Sky (%).........71 53 70 49 Wind (MPH) dir..SW SW SW SW Wind (MPH) spd..9 10 12 12 Wind (MPH) gust.20 22 26 26 Sunrise today is at 6:05 AM EDT, and sunset is at 9:04 PM EDT. $$ Recreational Forecast for Tippy Dam National Weather Service Gaylord MI 500 PM EDT Mon May 18 2026 .TODAY... TIME (EDT) 5 PM Temp (F)........82 Chc Of Pcpn (%).20 Weather Type....RAIN Sky (%).........65 Wind (MPH) dir..SW Wind (MPH) spd..7 Wind (MPH) gust.17 .TONIGHT... TIME (EDT) 6 PM 9 PM MIDNGT 3 AM Temp (F)........81 75 70 68 Chc Of Pcpn (%).20 10 20 40 Weather Type....RAIN NONE RAIN RAIN Sky (%).........58 72 76 91 Wind (MPH) dir..SW S S S Wind (MPH) spd..6 6 56 Wind (MPH) gust.17 14 16 18 .TUESDAY... TIME (EDT) 6 AM 9 AM NOON 3 PM Temp (F)........66 68 74 74 Chc Of Pcpn (%).70 60 40 50 Weather Type....RAIN RAIN RAIN RAIN Sky (%).........83 60 59 78 Wind (MPH) dir..S SW SW SW Wind (MPH) spd..7 9 9 8 Wind (MPH) gust.21 22 20 18 Sunrise today is at 6:14 AM EDT, and sunset is at 9:07 PM EDT. $$ Recreational Forecast for Lumbermans Monument National Weather Service Gaylord MI 500 PM EDT Mon May 18 2026 .TODAY... TIME (EDT) 5 PM Temp (F)........81 Chc Of Pcpn (%).70 Weather Type....RAIN Sky (%).........81 Wind (MPH) dir..SW Wind (MPH) spd..11 Wind (MPH) gust.18 .TONIGHT... TIME (EDT) 6 PM 9 PM MIDNGT 3 AM Temp (F)........81 73 66 65 Chc Of Pcpn (%).70 40 20 30 Weather Type....RAIN RAIN RAIN RAIN Sky (%).........67 75 60 83 Wind (MPH) dir..SW S SW SW Wind (MPH) spd..10 7 7 8 Wind (MPH) gust.17 14 14 17 .TUESDAY... TIME (EDT) 6 AM 9 AM NOON 3 PM Temp (F)........65 70 77 80 Chc Of Pcpn (%).20 40 30 30 Weather Type....RAIN RAIN RAIN RAIN Sky (%).........78 69 50 46 Wind (MPH) dir..SW SW SW SW Wind (MPH) spd..9 12 14 15 Wind (MPH) gust.18 21 24 24 Sunrise today is at 6:04 AM EDT, and sunset is at 8:58 PM EDT. $$  181 SXUS46 KSEW 182126 RECSEW Mount Rainier Recreational Forecast National Weather Service Seattle WA 226 PM PDT Mon May 18 2026 .SYNOPSIS... The weather pattern remains fairly steady with high pressure situated offshore through the week with morning clouds and afternoon sun. Temperatures will rise a bit each day through the end of the week before beginning to cool off this weekend into early next week. && .MONDAY NIGHT...Partly cloudy until early morning then becoming mostly cloudy. Freezing level near 7500 feet. .TUESDAY...Partly sunny. Freezing level near 7500 feet. .TUESDAY NIGHT...Mostly cloudy. A slight chance of rain and snow in the evening. No snow accumulation near Paradise. Snow level near 7000 feet. .WEDNESDAY...Mostly sunny. Freezing level near 9500 feet. && Temperature and wind forecasts for selected locations. Mon Tue Tue Wed Night Night Summit (14411 FT) 8 13 15 17 NW 25 NW 30 NW 20 N 25 Camp Muir(10188 FT) 24 25 29 30 NW 20 NW 20 NW 15 NE 5 Paradise (5420 FT) 33 46 37 53 NW 5 SW 5 NW 5 W 5 Longmire (2760 FT) 37 57 40 64 NE 5 SW 5 Calm Calm ++ Temperatures and wind for the summit and Camp Muir are average conditions expected in the free air at those elevations. ++ Temperatures for Paradise and Longmire are the expected highs and lows. Wind is the average wind expected during that period. .Extended Forecast... .WEDNESDAY NIGHT...Partly cloudy. Freezing level near 10500 feet. .THURSDAY...Mostly sunny. Freezing level near 10500 feet. .THURSDAY NIGHT...Partly cloudy. Freezing level near 10500 feet. .FRIDAY...Sunny. Freezing level near 10500 feet. .FRIDAY NIGHT...Partly cloudy. Freezing level near 11000 feet. .SATURDAY...Mostly sunny. Freezing level near 11000 feet. .SATURDAY NIGHT...Partly cloudy. Freezing level near 11000 feet. .SUNDAY...Mostly sunny. Freezing level near 11000 feet. .SUNDAY NIGHT...Mostly cloudy with a chance of rain and snow. Snow level near 6500 feet. .MEMORIAL DAY...Partly sunny. A slight chance of rain and snow in the morning, then a chance of rain and snow in the afternoon. Snow level near 5500 feet. $$ www.weather.gov/seattle  526 SXUS43 KABR 182130 RECABR Recreation Forecast National Weather Service Aberdeen SD 430 PM CDT Mon May 18 2026 This product is not routinely updated. Please see the zone forecast product for the latest watches, warnings and advisories. SDZ006-007-008-011-191300- Glacial Lakes- 430 PM CDT Mon May 18 2026 ...Glacial Lakes Recreation Forecast... .TODAY... Max Temperature...Around 50. Sky/Weather...Breezy. Cloudy. Patchy fog. Showers likely. Wind...North winds 15 to 25 mph. Lightning...None. .TONIGHT... Min Temperature...Around 37. Sky/Weather...Windy. Showers. Wind...Northwest winds 20 to 30 mph. Lightning...None. .TUESDAY... Max Temperature...Around 49. Sky/Weather...Windy. Mostly cloudy. Wind...Northwest winds 20 to 30 mph. Lightning...None. .TUESDAY NIGHT... Min Temperature...Around 32. Sky/Weather...Partly cloudy. Areas of frost. Wind...Northwest winds 5 to 10 mph with gusts to around 25 mph shifting to the south after midnight. Lightning...None. .EXTENDED FORECAST... .WEDNESDAY...Breezy. Partly cloudy. Highs in the lower 60s. Lows in the lower 40s. .THURSDAY...Breezy. Mostly cloudy. Slight chance of showers. Highs in the mid 60s. Lows in the lower 40s. $$ SDZ009-015-191300- Northern Oahe- 430 PM CDT Mon May 18 2026 ...Northern Lake Oahe Recreation Forecast... .TODAY... Max Temperature...Around 47. Sky/Weather...Windy. Showers. Wind...North winds 20 to 30 mph. Lightning...None. .TONIGHT... Min Temperature...Around 35. Sky/Weather...Mostly cloudy. Showers likely. Wind...Northwest winds 10 to 20 mph. Lightning...None. .TUESDAY... Max Temperature...Around 57. Sky/Weather...Partly sunny. Wind...Northwest winds 10 to 20 mph. Lightning...None. .TUESDAY NIGHT... Min Temperature...Around 33. Sky/Weather...Mostly clear. Wind...Southeast winds 10 to 15 mph. Lightning...None. .EXTENDED FORECAST... .WEDNESDAY...Windy. Partly cloudy. Highs in the upper 60s. Lows in the lower 40s. .THURSDAY...Windy. Partly cloudy. Chance of showers and slight chance of thunderstorms. Highs around 70. Lows in the lower 40s. $$ SDZ035-048-191300- Southern Oahe- 430 PM CDT Mon May 18 2026 ...Southern Lake Oahe And Lake Sharpe Recreation Forecast... .TODAY... Max Temperature...Around 49. Sky/Weather...Windy. Showers. Wind...North winds 20 to 30 mph. Lightning...None. .TONIGHT... Min Temperature...Around 36. Sky/Weather...Windy. Mostly cloudy. Showers likely. Wind...North winds 20 to 30 mph becoming northwest 10 to 20 mph after midnight. Lightning...None. .TUESDAY... Max Temperature...Around 57. Sky/Weather...Breezy. Mostly sunny. Wind...Northwest winds 15 to 25 mph. Lightning...None. .TUESDAY NIGHT... Min Temperature...Around 34. Sky/Weather...Mostly clear. Wind...Northeast winds 5 to 10 mph shifting to the southeast 10 to 15 mph after midnight. Lightning...None. .EXTENDED FORECAST... .WEDNESDAY...Windy. Partly cloudy. Highs in the mid 60s. Lows in the lower 40s. .THURSDAY...Windy. Mostly cloudy. Chance of showers and slight chance of thunderstorms. Highs in the upper 60s. Lows in the lower 40s. $$ MNZ039-046-055-191300- Big Stone And Traverse- 430 PM CDT Mon May 18 2026 ...Big Stone Lake And Lake Traverse Recreation Forecast... .TODAY... Max Temperature...Around 55. Sky/Weather...Breezy. Cloudy. Chance of showers. Wind...North winds 15 to 25 mph. Lightning...None. .TONIGHT... Min Temperature...Around 39. Sky/Weather...Windy. Showers. Wind...Northwest winds 20 to 30 mph. Lightning...None. .TUESDAY... Max Temperature...Around 52. Sky/Weather...Breezy. Mostly cloudy. Wind...Northwest winds 15 to 25 mph. Lightning...None. .TUESDAY NIGHT... MinTemperature...Around 33. Sky/Weather...Mostly clear. Areas of frost. Wind...Northwest winds around 10 mph shifting to the southwest after midnight. Lightning...None. .EXTENDED FORECAST... .WEDNESDAY...Partly cloudy. Highs in the mid 60s. Lows in the lower 40s. .THURSDAY...Breezy. Partly cloudy. Highs in the upper 60s. Lows in the lower 40s. $$ SDZ020-191300- Lake Kampeska- 430 PM CDT Mon May 18 2026 ...Lake Kampeska Recreation Forecast... .TODAY... Max Temperature...Around 53. Sky/Weather...Breezy. Cloudy. Showers likely and slight chance of thunderstorms. Wind...North winds 15 to 25 mph. Lightning...None. .TONIGHT... Min Temperature...Around 37. Sky/Weather...Breezy. Cloudy. Showers. Wind...Northwest winds 20 to 25 mph. Lightning...None. .TUESDAY... Max Temperature...Around 51. Sky/Weather...Breezy. Cloudy in the morning then becoming partly sunny. Wind...Northwest winds 15 to 25 mph. Lightning...None. .TUESDAY NIGHT... Min Temperature...Around 31. Sky/Weather...Partly cloudy. Areas of frost. Wind...North winds around 10 mph shifting to the southeast after midnight. Lightning...None. .EXTENDED FORECAST... .WEDNESDAY...Partly cloudy. Highs in the lower 60s. Lows around 40. .THURSDAY...Breezy. Mostly cloudy. Slight chance of showers. Highs in the mid 60s. Lows in the lower 40s. $$  469 SXUS43 KBIS 182130 RECBIS NDZ001>005-009-010-012-013-017>020-022-023-025-031>033-035>037- 040>044-046>048-050-051-055>062-191200- Recreational Forecast National Weather Service Bismarck ND 430 PM CDT Mon May 18 2026 For Western Lake Sakakawea... .TONIGHT...North winds 10 to 20 mph. Slight chance of showers through the night. Mostly cloudy. Lows in the lower 30s. .TUESDAY...West winds around 10 mph. Partly sunny in the morning then clearing. Highs in the upper 50s. For Eastern Lake Sakakawea... .TONIGHT...North winds 10 to 20 mph. Slight chance of showers through the night. Cloudy. Lows in the lower 30s. .TUESDAY...Northwest winds 10 to 15 mph. Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid 50s. For Northern Lake Oahe... .TONIGHT...Northwest winds 10 to 20 mph. Chance of showers. Mostly cloudy. Lows in the mid 30s. .TUESDAY...Northwest winds 10 to 15 mph. Partly sunny. Highs in the mid 50s. $$  682 SXUS45 KREV 182132 RECREV Recreation Forecast National Weather Service Reno NV 232 PM PDT Mon May 18 2026 Wave height forecasts are representative of the mid lake waters and downwind shores. Wave heights may be significantly less on upwind shores. Strong wind gusts and lightning near thunderstorms pose an immediate danger to boaters. If you are out on the lake when thunderstorms develop, return to shore as soon as possible. CAZ072-NVZ002-191200- Lake Tahoe at Lake Level- 232 PM PDT Mon May 18 2026 .TONIGHT...Clear. East winds around 10 mph in the evening becoming light. Lows 33 to 39. Wave Heights less than 1 foot. .TUESDAY...Sunny. Light winds. Highs 59 to 65. Wave Heights less than 1 foot. .TUESDAY NIGHT...Clear. Light winds. Lows around 39. Wave Heights less than 1 foot. .WEDNESDAY...Partly cloudy in the morning then clearing. Light winds. Highs 63 to 71. Wave Heights less than 1 foot. Water Temperature at the Mid Lake Buoys......50.0 degrees. Lake Level for Lake Tahoe at Tahoe City......6228.7 feet . $$ NVZ004-191200- Pyramid Lake at Lake Level- 232 PM PDT Mon May 18 2026 .TONIGHT...Clear. North winds around 10 mph in the evening becoming light. Lows 41 to 47. Wave Heights less than 1 foot. .TUESDAY...Sunny. Light winds. Highs 62 to 71. Wave Heights less than 1 foot. .TUESDAY NIGHT...Clear. Light winds. Lows around 47. Wave Heights less than 1 foot. .WEDNESDAY...Partly cloudy in the morning then clearing. Light winds. Highs 68 to 78. Wave Heights less than 1 foot. $$ http://weather.gov/reno  068 SXUS44 KMAF 182137 RECMAF Recreational Forecasts for West Texas/Southeast New Mexico National Weather Service Midland/Odessa TX 437 PM CDT Mon May 18 2026 Recreational forecast text represents an average of conditions over the entire park. Spot temperatures and probabilities of measurable precipitation are for tonight, Tuesday, Tuesday night, and Wednesday. TXZ279-280-282-190900- Big Bend National Park- 437 PM CDT Mon May 18 2026 .TONIGHT...Mostly clear. Lows in the upper 60s. South winds 10 to 15 mph. .TUESDAY...Sunny. Highs in the lower 80s in the mountains to around 104 along the Rio Grande. Northeast winds around 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 66 to 71. Northeast winds 10 to 15 mph. .WEDNESDAY...Mostly cloudy in the morning, then mostly sunny with a 40 percent chance of showers and thunderstorms in the afternoon. Highs in the upper 70s in the mountains to the upper 90s along the Rio Grande. East winds around 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. Showers likely and chance of thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. East winds 10 to 15 mph. Chance of precipitation 70 percent. .THURSDAY...Mostly cloudy. Showers likely and chance of thunderstorms in the afternoon. Highs in the lower 70s in the mountains to the lower 90s along the Rio Grande. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the mid 60s. .FRIDAY...Mostly sunny. Highs in the lower 70s in the mountains to the mid 90s along the Rio Grande. .FRIDAY NIGHT...Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 20 percent. .SATURDAY...Mostly cloudy. A 40 percent chance of showers and thunderstorms in the afternoon. Highs in the upper 70s in the mountains to the lower 90s along the Rio Grande. .SATURDAY NIGHT...Mostly clear. A 20 percent chance of showers and thunderstorms in the evening. Lows in the mid 60s. .SUNDAY...Mostly sunny. A 40 percent chance of showers and thunderstorms in the afternoon. Highs in the upper 70s in the mountains to the mid 90s along the Rio Grande. .SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. .MEMORIAL DAY...Mostly sunny. A 30 percent chance of showers and thunderstorms in the afternoon. Highs around 80 in the mountains to the mid 90s along the Rio Grande. && TEMPERATURE / PRECIPITATION Visitors Center 68 98 67 93 / 40 Castolon 70 103 73 99 / 30 Chisos Basin 63 88 62 83 / 10 40 Persimmon Gap 68 98 68 92 / 30 Rio Grande Village 71 107 71 102 / 10 40 $$ NMZ027-028-190900- Carlsbad Caverns National Park- 337 PM MDT Mon May 18 2026 .TONIGHT...Mostly clear. Lows in the upper 60s. West winds 10 to 15 mph with gusts to around 35 mph. .TUESDAY...Sunny. Highs in the upper 80s. Northwest winds 10 to 15 mph shifting to the southeast in the afternoon. .TUESDAY NIGHT...Mostly clear in the evening, then mostly cloudy with a 20 percent chance of showers after midnight. Lows in the lower 60s. Southeast winds around 10 mph. .WEDNESDAY...Mostly cloudy. Chance of showers in the morning, then showers likely and slight chance of thunderstorms in the afternoon. Highs around 80. Southeast winds 10 to 15 mph. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Mostly cloudy. Chance of showers and slight chance of thunderstorms in the evening. Lows in the lower 60s. South winds 10 to 15 mph. Chance of precipitation 40 percent..THURSDAY...Mostly cloudy. A 20 percent chance of showers in the afternoon. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. .FRIDAY...Sunny. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the lower 60s. .SUNDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. .MEMORIAL DAY...Sunny. Chance of showers and slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION Visitors Center 68 90 64 81 / 30 60 $$ TXZ277-190900- Fort Davis National Historic Site- 437 PM CDT Mon May 18 2026 .TONIGHT...Clear. Lows in the mid 50s. Southwest winds 10 to 15 mph shifting to the northwest after midnight. .TUESDAY...Sunny. Highs in the lower 90s. Light and variable winds becoming south around 10 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast winds around 10 mph. .WEDNESDAY...Mostly cloudy. A 40 percent chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds around 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A 50 percent chance of showers and thunderstorms in the evening. Lows in the lower 50s. Southwest winds around 10 mph in the evening becoming light and variable. .THURSDAY...Partly cloudy. A 30 percent chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 50s. .FRIDAY...Mostly sunny. Highs in the lower 80s. .FRIDAY NIGHT...Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 50s. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy. A 50 percent chance of showers and thunderstorms in the afternoon. Highs around 80. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Mostly sunny. A 50 percent chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the lower 50s. .MEMORIAL DAY...Mostly sunny. A 50 percent chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. && TEMPERATURE / PRECIPITATION Visitors Center 55 93 55 86 / 40 $$ TXZ270-271-190900- Guadalupe Mountains National Park- 337 PM MDT Mon May 18 2026 .TONIGHT...Clear. Lows 56 to 63. West winds 10 to 20 mph with gusts to around 35 mph. .TUESDAY...Sunny. Highs in the lower 70s near the mountain peaks to the upper 80s below 5000 feet. West winds around 10 mph shifting to the southwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 55 to 62. East winds 10 to 15 mph. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s near the mountain peaks to the mid 80s below 5000 feet. Light and variable winds becoming south 10 to 15 mph in the afternoon. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy. Chance of showers and slight chance of thunderstorms in the evening. Lows 54 to 61. South winds 10 to 15 mph. Chance of precipitation 50 percent. .THURSDAY...Mostly cloudy. Highs in the upper 60s near the mountain peaks to the mid 80s below 5000 feet. .THURSDAY NIGHT...Mostly clear. Lows 54 to 61. .FRIDAY...Sunny. Highs around 70 near the mountain peaks to the mid 80s below 5000 feet. .FRIDAY NIGHT...Partly cloudy. Lows 55 to 61. .SATURDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the lower 70s near the mountain peaks to the mid 80s below 5000 feet. .SATURDAY NIGHT...Partly cloudy. Lows 55 to 61. .SUNDAY...Mostly sunny. Chance of showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s near the mountain peaks to the mid 80s below 5000 feet. Chance of precipitation 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows 56 to 62. .MEMORIAL DAY...Sunny. Chance of showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s near the mountain peaks to the mid 80s below 5000 feet. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION Visitors Center 61 86 60 81 / 10 50 Dog Canyon 57 76 55 72 / 10 50 McKittrick Canyon 66 87 63 80 / 10 60 $$  179 SXUS42 KCHS 182138 RECCHS Recreational Forecast for Lake Moultrie National Weather Service Charleston SC 538 PM EDT Mon May 18 2026 SCZ045-190900- Lake Moultrie- 538 PM EDT Mon May 18 2026 .TONIGHT...SE winds 5 to 10 kt this evening, becoming light and variable. Patchy fog after midnight. .TUE...Light and variable winds, becoming SE 5 kt in the afternoon. Patchy fog in the morning. .TUE NIGHT...SE winds 5 to 10 kt in the evening, becoming light and variable. .WED...Light and variable winds, becoming S 5 kt in the afternoon. .WED NIGHT...S winds 5 to 10 kt, diminishing to 5 kt after midnight. Unless otherwise noted, waves 1 foot or less. Water temperature in the Rediversion Canal, 81 degrees. For additional forecast information, refer to the Berkeley County forecast. $$  310 SXUS41 KGYX 182140 RECGYX Recreation Forecast for New Hampshire and western Maine National Weather Service Gray ME 540 PM EDT Mon May 18 2026 NHZ006-009-190800- Lake Winnipesaukee in Central New Hampshire- 540 PM EDT Mon May 18 2026 ...Recreation forecast for Lake Winnipesaukee... .TONIGHT...Southeast winds around 5 mph this evening becoming light and variable. Waves around 1 foot. Mostly clear. Lows in the lower 50s. Water temperature 52 degrees. .TUESDAY...West winds 10 to 15 mph with gusts up to 30 mph. At the north end of the lake, waves 2 to 4 feet in the afternoon. Waves around 2 feet in the morning. At the south end of the lake, waves 3 to 5 feet in the afternoon. Mostly sunny. A chance of showers with isolated thunderstorms in the afternoon. Some thunderstorms may produce gusty winds and small hail in the afternoon. Warmer with highs in the mid 80s. Chance of rain 30 percent. Water temperature 52 degrees. According to the USCG, when the water temperature is below 60 degrees, the average submerged person could lose dexterity within minutes and be unable to accomplish simple tasks like buckling a life jacket or operating a radio. $$ MEZ019-190800- Sebago Lake in Southern Maine- 540 PM EDT Mon May 18 2026 ...Recreation forecast for Sebago Lake... .TONIGHT...Southeast winds around 10 mph this evening becoming light and variable. Waves around 1 foot. Mostly clear. Lows in the upper 40s. Water temperature 52 degrees. .TUESDAY...Southwest winds 10 to 15 mph with gusts up to 25 mph. Waves around 2 feet building to 2 to 4 feet in the afternoon. Mostly sunny. A chance of showers with isolated thunderstorms in the afternoon. Much warmer with highs in the upper 80s. Chance of rain 30 percent. Water temperature 52 degrees. According to the USCG, when the water temperature is below 60 degrees, the average submerged person could lose dexterity within minutes and be unable to accomplish simple tasks like buckling a life jacket or operating a radio. $$ Recreation Report for New Hampshire and western Maine National Weather Service Gray ME 540 PM EDT Mon May 18 2026 MEZ007>009-NHZ002>004-190800- Elevations From 2500 Feet to 4000 Feet in Northern New Hampshire and the Western Maine Mountains- 540 PM EDT Mon May 18 2026 ...Recreation forecast for elevations between 2500 and 4000 feet in northern New Hampshire and the western Maine mountains... .TONIGHT...Summits obscured. Lows in the mid 50s. West winds 15 to 25 mph with gusts up to 60 mph. .TUESDAY...Summits obscured. A chance of showers in the afternoon. Highs in the mid 70s. West winds 20 to 30 mph with gusts up to 70 mph. Chance of rain 50 percent. $$ MEZ007>009-NHZ002>004-190800- Summits Above 4000 Feet in Northern New Hampshire and Western Maine- 540 PM EDT Mon May 18 2026 ...Recreation forecast for summits above 4000 feet in northern New Hampshire and western Maine... .TONIGHT...Partly cloudy this evening, then summits in and out of clouds. Lows in the mid 50s. West winds 30 to 40 mph. At elevations above 5000 feet, west winds around 50 mph increasing to around 60 mph after midnight. .TUESDAY...Summits in and out of clouds. A chance of showers in the afternoon. Highs in the lower 70s. West winds 35 to 45 mph...except west 45 to 60 mph at elevations above 5000 feet. Chance of rain 40 percent. $$ NHZ011-015-190800- Summits of Mount Monadnock and North Pack Monadnock Mountain- 540 PM EDT Mon May 18 2026 ...Recreation forecast for summits of Mount Monadnock and North Pack Monadnock mountain... .TONIGHT...Mostly clear. Lows in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Partly sunny in the morning, then becoming mostly cloudy. Highs in the mid 80s. West winds 10 to 15 mph with gusts up to 30 mph. $$ MEZ024-190800- Islands of Casco Bay Maine- 540 PM EDT Mon May 18 2026 ...Forecast for the Islands of Casco Bay Maine... .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Southeast winds around 10 mph this evening becoming light and variable. .TUESDAY...Mostly cloudy. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. $$ MEZ025-027-190800- Islands and Necks of the Mid Coast of Maine- 540 PM EDT Mon May 18 2026 ...Forecast for the Islands and Necks of the Mid Coast of Maine... .TONIGHT...Mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Light and variable winds. .TUESDAY...Mostly cloudy. Patchy fog in the morning. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. $$ MEZ027-028-190800- Islands of Penobscot Bay Maine- 540 PM EDT Mon May 18 2026 ...Forecast for the Islands of Penobscot Bay Maine... .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Light and variable winds. .TUESDAY...Mostly cloudy. Patchy fog in the morning. Highs around 70. Southwest winds 10 to 15 mph with gusts up to 25 mph. $$ MEZ026-027-190800- Offshore Islands of Monhegan, Matinicus and Criehaven- 540 PM EDT Mon May 18 2026 ...Forecast for the Offshore Islands of Monhegan, Matinicus and Criehaven... .TONIGHT...Mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. South winds up to 10 mph. .TUESDAY...Mostly cloudy. Patchy fog in the morning. Highs in the upper 50s. Southwest winds 10 to 20 mph with gusts up to 30 mph. $$  298 SXUS43 KFGF 182140 RECFGF Recreation Forecast National Weather Service Grand Forks ND 440 PM CDT Mon May 18 2026 Here are the Recreation Area Forecasts... Wave height forecasts represent the average of the highest 33% of waves that occur in a given period. Since the significant wave height is an average of the largest waves, mariners should be aware that many individual waves will be higher. For Devils Lake... .TONIGHT...Breezy. North winds 20 to 25 mph. Waves 1 to 2 feet. Cloudy. Lows in the mid 30s. .TUESDAY...Breezy. Northwest winds 15 to 25 mph. Waves 1 to 2 feet. Mostly cloudy. Highs 45 to 55. .TUESDAY NIGHT...Northwest winds around 10 mph early in the evening becoming light, then becoming south 10 to 15 mph after midnight. Waves 1 foot or less. Areas of frost after midnight. Mostly clear. Lows in the lower 30s. For the Upper and Lower Red Lakes... .TONIGHT...North winds 10 to 20 mph. Waves 1 foot or less. Showers through the night. Cloudy. Lows around 40. .TUESDAY...Northwest winds 10 to 20 mph. Waves 1 to 2 feet. Mostly cloudy. Highs in the 40s. .TUESDAY NIGHT...Northwest winds 10 to 15 mph in the evening becoming light. Waves 1 foot or less. Areas of frost after midnight. Mostly cloudy in the evening then clearing. Lows in the mid 30s. For Lake of the Woods... .TONIGHT...Breezy. North winds 15 to 25 mph. Waves 1 to 2 feet. Showers likely through the night. Chance of snow showers after midnight. Cloudy. Lows in the mid 30s. .TUESDAY...Breezy. North winds 15 to 25 mph shifting to the northwest 10 to 15 mph late in the afternoon. Waves 1 to 2 feet. Slight chance of showers through the day. Mostly cloudy. Highs 35 to 45. .TUESDAY NIGHT...Northwest winds around 10 mph early in the evening becoming light. Waves 1 foot or less. Areas of frost in the late evening and early morning. Widespread frost early in the morning. Mostly cloudy in the evening then clearing. Lows in the lower 30s. $$  340 SXUS46 KPDT 182158 RECPDT Recreational Forecast National Weather Service Pendleton OR 258 PM PDT Mon May 18 2026 ORZ509-191300- Mount Bachelor Recreational Area- 258 PM PDT Mon May 18 2026 ...THIS FORECAST REPRESENTS MIDSLOPE CONDITIONS... .TONIGHT...Clear. Northwest winds up to 10 mph in the evening becoming light. Lows 22 to 29. .TUESDAY...Sunny in the morning then becoming partly cloudy. Light winds becoming west around 10 mph in the afternoon. Highs 50 to 56. .TUESDAY NIGHT...Mostly cloudy. Northwest winds around 10 mph in the evening becoming light. Lows 27 to 34. .WEDNESDAY...Partly cloudy in the morning then becoming sunny. Light winds. Highs 54 to 60. .WEDNESDAY NIGHT...Partly cloudy. North winds around 10 mph in the evening becoming light. Lows 31 to 38. .THURSDAY...Sunny. Light winds becoming northeast around 10 mph in the afternoon. Highs 57 to 63. $$ http://weather.gov/pendleton