FNUS71 KCTP 181451 FWSCTP Spot Forecast for Old Mountain RX Burn Blackwell Trail...DCNR Bureau of Forestry National Weather Service State College PA 1051 AM EDT Mon May 18 2026 Forecast is based on ignition time of 2000 EDT on May 18. If conditions become unrepresentative, or if you have questions or concerns with this forecast, contact the National Weather Service in State College. .DISCUSSION... Heat will be on the increase today and Tuesday, but only moderate increases in surface dewpoints and deep vertical mixing up to 6 or 7 thousand feet both afternoons will lead to Min RH values mainly in the mid 30s to low 40s (%). Fairly warm temperatures in the mid levels of the atmosphere will put a lid on most of the convection (showers and thunderstorms) today and Tuesday, but a few storms are possible Tuesday afternoon and evening. Rainfall accumulations should average below 0.10" (and most locations likely stay dry). A cold front will bring showers on Wednesday, mainly in the morning. Cooler, more seasonable conditions will follow for the end of the week and into Memorial Day weekend. .REST OF TONIGHT... Sky/Weather.........Partly cloudy (20-30 percent). Min Temperature.....Around 64. Max Humidity........84 percent. Wind (20 ft)........South winds around 5 mph early in the evening becoming light. Mixing Height.......400 ft AGL. Transport Winds.....Southwest 8 to 12 mph. Chance of thunder...12 percent. LVORI...............3. ADI.................4 to 5. TIME (EDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%)........... 25 19 15 11 23 15 35 43 39 41 Weather Cov....... Weather Type...... Tstm Cov.......... Chc of thdr (%)... 10 10 10 10 10 10 0 0 0 10 Temp.............. 78 75 73 71 69 67 66 65 64 64 RH................ 56 62 66 68 73 78 78 84 84 84 20 FT Wind Dir.... S S SW SW SW SW SW SW SW SW 20 FT Wind Spd.... 5 5 4 4 4 4 3 3 3 3 20 FT Wind Gust... 10 10 8 8 8 7 6 6 6 6 Mix Hgt (kft)..... 0.6 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 Transp Wind Dir... S S S SW SW SW SW SW SW SW Transp Wind Spd... 10 12 12 12 10 10 10 9 9 8 LVORI............. 2 3 3 3 3 3 4 4 4 4 ADI............... 5 5 5 5 5 5 5 4 4 4 .TUESDAY... Sky/Weather.........Mostly sunny (30-40 percent). Isolated showers late in the afternoon. Isolated thunderstorms late in the afternoon. Max Temperature.....Around 86. Min Humidity........43 percent. Wind (20 ft)........Light winds becoming southwest 5 to 9 mph with gusts to around 18 mph in the late morning and afternoon. Gusty and erratic winds expected near thunderstorms late in the afternoon. Mixing Height.......5000 ft AGL. Transport Winds.....Southwest 9 to 16 mph shifting to the west 18 to 22 mph in the late morning and afternoon. Chance of thunder...17 percent. LVORI...............3. ADI.................18 early in the morning increasing to 114 in the afternoon. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%)........... 31 51 33 40 34 45 40 29 44 20 17 17 Weather Cov....... ISO ISO ISO ISO Weather Type...... RW RW RW RW Tstm Cov.......... ISO Chc of thdr (%)... 10 0 0 0 0 0 0 0 10 10 10 20 Temp.............. 64 66 69 73 76 79 81 82 84 84 85 85RH................ 84 81 76 68 62 56 53 49 46 46 43 45 20 FT Wind Dir.... SW SW SW SW SW SW SW SW SW SW SW SW 20 FT Wind Spd.... 3 4 4 5 6 7 8 9 9 9 9 9 20 FT Wind Gust... 7 8 10 11 14 17 18 18 18 18 18 18 Mix Hgt (kft)..... 0.5 0.6 1.3 2.0 3.4 4.4 4.4 4.5 4.5 4.6 4.8 5.0 Transp Wind Dir... SW W SW W W W W W SW SW SW SW Transp Wind Spd... 9 9 10 16 20 22 21 20 18 20 21 22 LVORI............. 4 4 3 1 1 1 1 1 1 1 1 1 ADI............... 18 18 18 114 114 114 108 108 108 90 90 90 .TUESDAY NIGHT... Sky/Weather.........Partly cloudy (30-40 percent) then becoming mostly cloudy (55-65 percent). Isolated showers and thunderstorms early in the evening. Slight chance of showers overnight. Min Temperature.....Around 65. Max Humidity........81 percent. Wind (20 ft)........Southwest winds 7 to 8 mph. Gusts up to 22 mph early in the evening then 20 mph overnight. Gusty and erratic winds expected near thunderstorms early in the evening. Mixing Height.......700 ft AGL. Transport Winds.....Southwest 12 to 18 mph. Chance of thunder...17 percent. LVORI...............3. ADI.................12 to 13. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%)........... 17 17 21 42 38 33 40 48 55 57 60 62 Weather Cov....... ISO ISO SCH SCH SCH SCH Weather Type...... RW RW RW RW RW RW Tstm Cov.......... ISO ISO Chc of thdr (%)... 20 20 10 10 10 10 10 10 10 10 10 10 Temp.............. 83 80 78 76 74 72 70 69 67 66 66 65 RH................ 46 52 58 62 64 66 68 70 75 78 78 81 20 FT Wind Dir.... SW SW SW SW SW SW SW SW SW SW SW SW 20 FT Wind Spd.... 8 7 7 6 6 6 6 6 6 6 6 6 20 FT Wind Gust... 18 17 14 14 14 14 14 16 16 16 14 14 Mix Hgt (kft)..... 3.6 2.2 0.7 0.7 0.7 0.7 0.7 0.8 0.8 0.8 0.8 0.8 Transp Wind Dir... SW SW SW SW SW SW SW W W W W W Transp Wind Spd... 18 16 13 13 14 14 14 14 14 13 13 12 LVORI............. 2 2 2 2 2 3 3 3 4 4 4 4 ADI............... 13 13 13 12 12 12 12 12 12 12 12 12 .WEDNESDAY... Sky/Weather.........Partly sunny (65-75 percent). Showers likely and slight chance of thunderstorms. Max Temperature.....Around 76. Min Humidity........51 percent. Wind (20 ft)........West winds around 7 mph shifting to the northwest late in the afternoon. Gusty and erratic winds expected near thunderstorms late in the morning. Mixing Height.......3400 ft AGL. Transport Winds.....West 13 to 18 mph shifting to the northwest around 16 mph late in the afternoon. Chance of thunder...18 percent. LVORI...............2 in the morning and early afternoon. ADI.................44 to 55 in the morning and early afternoon. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%)........... 68 74 80 80 80 80 80 80 71 66 60 55 Weather Cov....... SCH SCH LKY LKY LKY LKY LKY LKY CHC CHC CHC CHC Weather Type...... RW RW RW RW RW RW RW RW RW RW RW RW Tstm Cov.......... SCH SCH SCH Chc of thdr (%)... 10 10 10 10 10 20 20 20 10 10 10 0 Temp.............. 66 66 68 70 71 73 73 72 71 71 71 70 RH................ 78 81 76 71 68 64 64 64 63 59 53 51 20 FT Wind Dir.... W W W W W W W NW NW NW NW NW 20 FTWind Spd.... 6 6 6 6 7 7 7 6 6 6 7 7 20 FT Wind Gust... 14 14 14 14 14 14 14 14 14 14 14 14 Mix Hgt (kft)..... 1.3 1.8 2.3 2.4 2.5 2.7 2.6 2.4 2.3 2.7 3.0 3.4 Transp Wind Dir... W W W W W W NW NW NW NW NW NW Transp Wind Spd... 13 15 16 17 17 18 17 17 16 16 16 16 LVORI............. 3 3 3 3 1 1 1 1 M M M M ADI............... 44 44 44 55 55 55 51 51 51 M M M $$ Forecaster...Banghoff Requested by...Greg Koernig Type of request...PRESCRIBED .TAG 2613925.0/CTP .DELDT 05/18/26 .FormatterVersion 2.0.0 .EMAIL tbreininge@pa.gov,efritzinge@pa.gov,gkoernig@pa.gov,cnorthcraf@pa.gov,jhamilton@pa.gov,erbutters@pa.gov