929 FLUS43 KDLH 181701 HWODLH Hazardous Weather Outlook National Weather Service Duluth MN 1201 PM CDT Mon May 18 2026 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-191715- Koochiching-North St. Louis-Northern Cook/Northern Lake- North Itasca-Central St. Louis-Southern Lake/North Shore- Southern Cook/North Shore-North Cass-South Itasca-South Cass- Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis- Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price- 1201 PM CDT Mon May 18 2026 This Hazardous Weather Outlook is for portions of northeast Minnesota and northwest Wisconsin. .DAY ONE...This afternoon and Tonight There is a marginal (level 1 out of 5) risk of strong to severe storms in northwest Wisconsin late this evening into tonight, mainly along and south of a Birchwood to Park Falls to Mercer line. Damaging wind gusts to 60 mph and large hail to quarter size are the main severe weather threats. Locally heavy rainfall is possible in northwest Wisconsin, but the potential for localized minor flooding or flash flooding is low. Localized minor flooding continues over portions of the Boundary Waters. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday There is potential for areas of frost across much of the Northland Tuesday night, and possibly again Wednesday night. A freeze is possible for areas along and north of US-2 in northeast Minnesota Tuesday night. Localized minor flooding continues in the Boundary Waters region. .SPOTTER INFORMATION STATEMENT... Skywarn spotters may be needed late this evening and tonight in northwest Wisconsin. $$ LSZ121-140>148-150-191715- Bayfield to Oak Point WI-Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 1201 PM CDT Mon May 18 2026 This Hazardous Weather Outlook is for portions of Lake Superior and the Nearshore waters of western Lake Superior. .DAY ONE...This afternoon and Tonight Northeast winds with gusts up to 25 to 30 knots develop late this evening and tonight for much of the western Lake Superior nearshore waters, with building wave heights to 3 to 7 ft. Small Craft Advisories will likely be needed. Another round of thunderstorms are possible this evening into tonight. A few storms may be strong with wind gusts in excess of 30 kt and small hail. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Strong northeast winds, with gusts to 20 to 25 knots, continue Tuesday morning near Grand Portage. Wave heights of 2 to 6 feet linger into Tuesday morning. Small Craft Advisories will likely be needed into Tuesday morning. $$ Rothstein More information may be obtained at the following web address: http://www.weather.gov/duluth  498 FLUS43 KAPX 181710 HWOAPX Hazardous Weather Outlook National Weather Service Gaylord MI 110 PM EDT Mon May 18 2026 MIZ016>018-020>036-041-042-086>088-095>099-191715- Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency- Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona- Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-Arenac- Western Chippewa-Central Chippewa-Southeast Chippewa- Western Mackinac-Eastern Mackinac- Mackinac Island/Bois Blanc Island- Beaver Island and surrounding islands-Charlevoix- 110 PM EDT Mon May 18 2026 This hazardous weather outlook is for Eastern Upper Michigan and Northern Lower Michigan. .DAY ONE...This afternoon and tonight. Scattered showers and thunderstorms are expected this afternoon. A few severe storms are possible, with strong wind gusts and marginally severe size hail the primary threats. There remains a minimal chance for tornadoes down near Saginaw Bay. Please see the latest Severe Thunderstorm Watch for additional details. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Scattered thunderstorms are expected again on Tuesday. There is a small chance a few of these thunderstorms could become severe. Potential for frost development returns Tuesday night through Thursday night. .SPOTTER INFORMATION STATEMENT... Spotter activation is required. Dispatchers...please notify your Emergency Managers immediately. For more information visit http://weather.gov/gaylord. $$ LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-191715- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island-St Ignace to False Detour Channel- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary-Sturgeon Pt to Alabaster MI- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI- Point Betsie to Sleeping Bear Point MI- Manistee to Point Betsie MI- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- St. Marys River Point Iroquois to E. Potagannissing Bay- 110 PM EDT Mon May 18 2026 This hazardous weather outlook is for the northern Michigan nearshore waters of Lake Huron, Lake Michigan and Lake Superior. .DAY ONE...This afternoon and tonight. Scattered showers and thunderstorms are expected this afternoon. Primary hazards with any strong storms will be strong wind gusts and hail. Please see the latest Severe Thunderstorm Watch for additional details. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Scattered thunderstorms are expected again on Tuesday. There is a small chance a few of these thunderstorms could become severe. .SPOTTER INFORMATION STATEMENT... Spotter activation is required. Dispatchers...please notify your Emergency Managers immediately. For more information visit http://weather.gov/gaylord. $$  223 FLUS41 KPBZ 181741 HWOPBZ Hazardous Weather Outlook National Weather Service Pittsburgh PA 141 PM EDT Mon May 18 2026 WVZ512>514-191745- Eastern Preston-Western Tucker-Eastern Tucker- 141 PM EDT Mon May 18 2026 This Hazardous Weather Outlook is for northern West Virginia. .DAY ONE...This afternoon and tonight. A brief window may exist for isolated strong thunderstorms with damaging wind gusts this afternoon. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$ PAZ007>009-013-015-191745- Mercer-Venango-Forest-Lawrence-Clarion- 141 PM EDT Mon May 18 2026 This Hazardous Weather Outlook is for western Pennsylvania. .DAY ONE...This afternoon and tonight. Although most areas are currently expected to remain dry, there is a low risk of thunderstorm development this afternoon into the evening. If storms can form, there is a low risk of isolated damaging wind gusts. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Isolated damaging wind gusts are possible in thunderstorms during Tuesday evening and early overnight ahead of a cold front. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$ OHZ039>041-048>050-057>059-068-069-PAZ014-016-020>022-029-073-077- 078-WVZ001>004-191745- Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Jefferson OH- Muskingum-Guernsey-Belmont-Noble-Monroe-Butler-Jefferson PA-Beaver- Allegheny-Armstrong-Washington-Westmoreland-Indiana- Higher Elevations of Indiana-Hancock-Brooke-Ohio-Marshall- 141 PM EDT Mon May 18 2026 This Hazardous Weather Outlook is for east central Ohio, western Pennsylvania, and northern West Virginia. .DAY ONE...This afternoon and tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Isolated damaging wind gusts are possible in thunderstorms during Tuesday evening and early overnight ahead of a cold front. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$ PAZ031-074>076-WVZ012-021-509>511-191745- Greene-Higher Elevations of Westmoreland-Fayette- Higher Elevations of Fayette-Wetzel-Marion-Monongalia- Ridges of Eastern Monongalia and Northwestern Preston-Preston- 141 PM EDT Mon May 18 2026 This Hazardous Weather Outlook is for southwest Pennsylvania and northern West Virginia. .DAY ONE...This afternoon and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$ Milcarek  353 FLUS43 KBIS 181745 HWOBIS Hazardous Weather Outlook National Weather Service Bismarck ND 1245 PM CDT Mon May 18 2026 NDZ001>005-009-010-012-017>020-022-031>033-040-041-043-044- 055>059-191745- Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail- McHenry-McKenzie-Dunn-Mercer-Oliver-Sheridan-Golden Valley- Billings-Stark-Slope-Hettinger-Bowman-Adams-Northwest Ward- Central and Southern Ward/Minot Area-Western McLean- Eastern McLean-Western Morton- 1245 PM CDT Mon May 18 2026 /1145 AM MDT Mon May 18 2026/ This Hazardous Weather Outlook is for portions of north central North Dakota, northwest North Dakota, south central North Dakota, and southwest North Dakota. .DAY ONE...This Afternoon and Tonight A Freeze Warning is in effect for late tonight. See www.weather.gov/bis for details. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday A Freeze Warning is in effect for early Tuesday morning. See www.weather.gov/bis for details. Near or below freezing temperatures are possible again Tuesday night into Wednesday morning. .SPOTTER INFORMATION STATEMENT... Spotters are asked to provide reports to the NWS using standard procedures, including through our social media accounts. $$ NDZ013-023-025-035>037-042-046>048-050-051-060>062-191745- Pierce-Wells-Foster-Burleigh-Kidder-Stutsman-Grant-Emmons-Logan- La Moure-McIntosh-Dickey-Eastern Morton-Western Sioux- Eastern Sioux- 1245 PM CDT Mon May 18 2026 /1145 AM MDT Mon May 18 2026/ This Hazardous Weather Outlook is for portions of north central North Dakota, south central North Dakota, and southeast North Dakota. .DAY ONE...This Afternoon and Tonight A Frost Advisory is in effect for late tonight. See www.weather.gov/bis for details. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday A Frost Advisory is in effect for early Tuesday morning. See www.weather.gov/bis for details. Near or below freezing temperatures are possible again Tuesday night into Wednesday morning. .SPOTTER INFORMATION STATEMENT... Spotters are asked to provide reports to the NWS using standard procedures, including through our social media accounts. $$  034 FLUS43 KOAX 181756 HWOOAX Hazardous Weather Outlook National Weather Service Omaha/Valley NE 1256 PM CDT Mon May 18 2026 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-191800- Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont-Page- Knox-Cedar-Thurston-Antelope-Pierce-Wayne-Boone-Madison-Stanton- Cuming-Burt-Platte-Colfax-Dodge-Washington-Butler-Saunders-Douglas- Sarpy-Seward-Lancaster-Cass-Otoe-Saline-Jefferson-Gage-Johnson- Nemaha-Pawnee-Richardson- 1256 PM CDT Mon May 18 2026 This Hazardous Weather Outlook is for southwest Iowa, west central Iowa, east central Nebraska, northeast Nebraska and southeast Nebraska. .DAY ONE...This afternoon and tonight. Additional strong to severe storms are forecast this afternoon, with an increased threat for large hail (2-4+ inches) and strong tornadoes. Additional chances for heavy rainfall on top of what has already fallen since Friday night will result in a potential for flash flooding, particularly for portions of southeastern Nebraska. Chances to see severe storm activity is maximized over southeast Nebraska. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed this afternoon and evening. $$  007 FLUS44 KTSA 181756 HWOTSA Hazardous Weather Outlook National Weather Service Tulsa OK 1256 PM CDT Mon May 18 2026 ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071- 073>075-154-172-176-254-272-276-354-376-191800- Benton-Carroll-Washington AR-Madison-Northern Crawford- Northern Franklin-North and Central Sebastian-Southern Crawford- Central and Southern Franklin-Southern Sebastian-Pushmataha- Choctaw-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers- Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Adair- Muskogee-McIntosh-Pittsburg-Haskell-Latimer-Western Osage- Northern Sequoyah-Northern Le Flore-Northeast Osage- Central and Southern Sequoyah-Central Le Flore-Southeast Osage- Southern Le Flore- 1256 PM CDT Mon May 18 2026 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...This Afternoon and Tonight. TORNADO. RISK...Limited. AREA...Northeast Oklahoma. ONSET...Very late tonight. SEVERE THUNDERSTORM. RISK...Elevated. AREA...Eastern Oklahoma and Northwest Arkansas. ONSET...Ongoing. HEAVY RAIN. RISK...Limited. AREA...Northeast Oklahoma. ONSET...Very late tonight. SIGNIFICANT WINDS. RISK...Limited. AREA...Eastern Oklahoma and Northwest Arkansas. ONSET...Ongoing. DISCUSSION... Isolated showers and storms will continue through this afternoon or evening before weakening. Most storms will be non-severe, but a few marginally severe storms could develop, mainly for hail. Windy conditions will also be present through the area into the overnight hours. A cold front will arrive overnight bringing another round of storms to the area. A few of the storms could produce strong damaging wind, with a lesser tornado and hail threat. Behind the cold front, temperatures will quickly fall. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Local Spotter Activation May Be Needed. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. TUESDAY...Thunderstorm Potential...High Wind Potential. WEDNESDAY...Thunderstorm Potential. THURSDAY...Thunderstorm Potential...Heavy Rain Potential. FRIDAY TO SUNDAY...Thunderstorm Potential. EXTENDED DISCUSSION... Storm activity will be ongoing Tuesday, gradually working southeast through the morning and early afternoon. With daytime heating, a few severe storms may develop, mainly for hail and wind. Much cooler air will continue to move in throughout the day behind the front. A few additional showers and possibly a thunderstorm will develop north of I-40 late Tuesday into Wednesday. Additional rounds of showers and thunderstorms are possible across the southeast half of the area Wednesday, and then areawide Friday into the weekend. Temperatures will remain mostly below normal. weather.gov/tulsa contains additional information. $$  154 FLUS43 KICT 181758 HWOICT Hazardous Weather Outlook National Weather Service Wichita KS 1258 PM CDT Mon May 18 2026 KSZ032-033-047>053-067>072-082-083-091>096-098>100-191800- Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Marion-Chase- Reno-Harvey-Butler-Greenwood-Woodson-Allen-Kingman-Sedgwick-Harper- Sumner-Cowley-Elk-Wilson-Neosho-Chautauqua-Montgomery-Labette- 1258 PM CDT Mon May 18 2026 This hazardous weather outlook is for portions of central Kansas, east central Kansas, south central Kansas and southeast Kansas. .DAY ONE...This Afternoon and Tonight Scattered to numerous thunderstorms are expected to redevelop this afternoon over central Kansas. Some of the storms will quickly become severe and could produce significant severe weather. The stronger storms will be capable of producing damaging winds around 70 mph, up to baseball size hail, tornadoes, and heavy rainfall. A few strong tornadoes are possible. Storms should congeal into a line of storms and travel slowly southeast later this evening. Once this happens the risk of severe weather will begin to decrease through the late night hours. The primary risk will then transition to mainly damaging winds and heavy rainfall. Strong south winds gusting up to 45 mph will affect portions of central, south central, and southeast Kansas today. A wind advisory is in effect until 10 PM. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Additional off-and-on chances for showers and thunderstorms are possible Tuesday through week's end, but widespread severe weather is not expected with this activity. .SPOTTER INFORMATION STATEMENT... Spotter activation will be needed this afternoon and evening. && For a graphical version of this information, see our webpage at: https://www.weather.gov/erh/ghwo?wfo=ict $$  190 FLUS41 KBUF 181759 HWOBUF Hazardous Weather Outlook National Weather Service Buffalo NY 159 PM EDT Mon May 18 2026 NYZ001>008-010>014-019>021-085-191800- Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Jefferson-Lewis- Northern Erie-Genesee-Wyoming-Livingston-Ontario-Chautauqua- Cattaraugus-Allegany-Southern Erie- 159 PM EDT Mon May 18 2026 This Hazardous Weather Outlook is for western and north central New York. .DAY ONE...This afternoon and tonight. There is a Marginal Risk (Level 1 to 5) that a stronger storm or two could produce gusty winds late today into this evening. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Strong to severe thunderstorms are possible late Tuesday afternoon and Tuesday night. There is a Slight Risk (Level 2 to 5)for severe weather for a majority of the region. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf $$ LEZ020-040-041-LOZ030-042>045-062>065-SLZ022-024-191800- Upper Niagara River and Buffalo Harbor- Lake Erie nearshore waters from Ripley to Dunkirk- Lake Erie nearshore waters from Dunkirk to Buffalo- Lower Niagara River- Lake Ontario nearshore waters from the Niagara River to Hamlin Beach- Lake Ontario nearshore waters from Hamlin Beach to Sodus Bay- Lake Ontario nearshore waters from Sodus Bay to Mexico Bay- Lake Ontario nearshore waters from Mexico Bay to the Saint Lawrence River- Lake Ontario open waters from the Niagara River to Hamlin Beach- Lake Ontario open waters from Hamlin Beach to Sodus Bay- Lake Ontario open waters from Sodus Bay to Mexico Bay- Lake Ontario open waters from Mexico Bay to the Saint Lawrence River- Saint Lawrence River from Cape Vincent to Ogdensburg- Saint Lawrence River from Ogdensburg to Saint Regis- 159 PM EDT Mon May 18 2026 This Hazardous Weather Outlook is for the New York waters of Lake Erie, Lake Ontario, and the Saint Lawrence River. .DAY ONE...This afternoon and tonight. There is a Marginal Risk (Level 1 to 5) that a stronger storm or two could produce gusty winds late today into this evening. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Strong to severe thunderstorms are possible late Tuesday afternoon and Tuesday night. There is a Slight Risk (Level 2 to 5)for severe weather for a majority of the region. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf $$