--------------------------------------------------------------------------- FWF Combo Report generated using the latest Fire Weather Forecasts issued by PBZ/CTP at *** 1:05am *** on Tuesday September 08, 2026. --------------------------------------------------------------------------- Fire Weather Planning Forecast National Weather Service Pittsburgh PA 1218 AM EDT Tue Sep 8 2026 Forest- Including the city of Tionesta 1218 AM EDT Tue Sep 8 2026 Today Tonight Wed Cloud Cover Pcldy Pcldy Pcldy Precip Type None None Showers Chance Precip (%) 0 0 40 Chance of Thunder (%) 0 0 0 Temp (24h trend) 80 (+4) 61 (+11) 83 RH % (24h trend) 47 (0) 87 (-5) 60 Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) Lgt/Var Lgt/Var SW 8 G20 Precip Amount 0.00 0.00 0.03 Precip Duration 1 Precip Begin 1 PM Precip End Continuing Mixing Hgt(m-agl/msl) 1330 1310 Mixing Hgt(ft-agl/msl)4350 4310 Transport Wnd (mph) SW 6 SW 20 Vent Rate (kt-ft) 21750 73270 Category Day 2 4 Inversion 66F/10am 7pm 67F/9am Dispersion 2 4 Max ADI Early 11 Poor 4 Very Poor 38 Fair Max ADI Late 31 Fair 5 Very Poor 69 Good Max LVORI Early 6 5 4 Max LVORI Late 2 6 3 Remarks...ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Showers and a chance of thunderstorms. Lows in the upper 60s. Highs in the mid 70s. Southwest winds 5 to 10 mph. .FRIDAY...Partly cloudy. A chance of showers. Lows in the upper 50s. Highs in the upper 70s. Light winds. .SATURDAY...Partly cloudy. A chance of thunderstorms. Lows in the upper 50s. Highs in the lower 80s. South winds 5 to 10 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid 60s. Highs in the lower 80s. Southwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. A chance of showers. Lows in the lower 60s. Highs around 80. West winds 5 to 10 mph. $$ --------------------------------------------------------------------------- Fire Weather Planning Forecast for Central Pennsylvania National Weather Service State College, PA 104 AM EDT Tue Sep 8 2026 .DISCUSSION... The river valley fog will burn away by 9 AM in most spots. It will then be another dry and sunny day with humidity dipping into the 45 to 55 percent range. A warm front will bring warmer and more humid weather to the area on Wednesday, with gusty winds later Wednesday into Thursday. There will be a chance for showers and thunderstorms late Wednesday into Friday morning, as a cold front moves across the area. Heat and humidity will peak on Wednesday followed by a cooling trend into the weekend. && Warren- Including the city of Warren 104 AM EDT Tue Sep 8 2026 Today Tonight Wed Cloud Cover Pcldy Pcldy Pcldy Precip Type None None Showers Chance Precip (%) 0 0 50 Chance of Thunder (%) 0 0 0 Temp (24h trend) 80 (+4) 61 (+12) 84 RH % (24h trend) 48 (+5) 88 (-10) 60 20ftWnd-Val/AM(mph) Lgt/Var S 5 G16 20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var SW 8 G21 Precip Amount 0.00 0.00 0.07 Precip Duration 1 Precip Begin 2 PM Precip End Continuing Mixing Hgt(ft-agl) 4270 390 4180 Transport Wnd (mph) SW 5 S 5 SW 21 Vent Rate (kt-ft) 17080 1560 75240 Dispersion 5 1 5 DSI 2 2 Sunshine Hours 7 4 Max ADI Early 12 Poor 10 Poor 44 Gen Good Max ADI Late 30 Fair 8 Poor 56 Gen Good Max LVORI Early 6 5 4 Max LVORI Late 2 5 2 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Showers and thunderstorms. Lows in the mid 60s. Highs in the mid 70s. Minimum RH 67 percent. West winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the lower 70s. Minimum RH 49 percent. Light winds. .SATURDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 58 percent. Southeast winds around 5 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower 60s. Highs in the upper 70s. Minimum RH 64 percent. South winds around 5 mph. .MONDAY...Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the mid 70s. Minimum RH 62 percent. East winds around 5 mph. $$ McKean- Including the city of Bradford 104 AM EDT Tue Sep 8 2026 Today Tonight Wed Cloud Cover Pcldy Pcldy Pcldy Precip Type None None Showers Chance Precip (%) 0 0 40 Chance of Thunder (%) 0 0 0 Temp (24h trend) 79 (+4) 58 (+11) 82 RH % (24h trend) 47 (+7) 89 (-10) 60 20ftWnd-Val/AM(mph) Lgt/Var S 5 G16 20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var SW 9 G21 Precip Amount 0.00 0.00 0.03 Precip Duration 1 Precip Begin 2 PM Precip End Continuing Mixing Hgt(ft-agl) 4280 410 4560 Transport Wnd (mph) SW 6 S 6 SW 20 Vent Rate (kt-ft) 21400 2050 77520 Dispersion 5 1 5 DSI 2 2 Sunshine Hours 7 4 Max ADI Early 17 Gen Poor 12 Poor 35 Fair Max ADI Late 30 Fair 6 Very Poor 56 Gen Good Max LVORI Early 6 5 5 Max LVORI Late 2 6 2 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Showers and thunderstorms. Lows in the mid 60s. Highs in the mid 70s. Minimum RH 67 percent. West winds 5 to 10 mph. .FRIDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 70s. Minimum RH 49 percent. Light winds. .SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the upper 70s. Minimum RH 60 percent. Southeast winds around 5 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows around 60. Highs in the upper 70s. Minimum RH 63 percent. South winds around 5 mph. .MONDAY...Mostly cloudy. A chance of showers. Lows in the mid 50s. Highs in the mid 70s. Minimum RH 61 percent. Southeast winds around 5 mph. $$ Elk- Including the cities of St. Marys and Ridgway 104 AM EDT Tue Sep 8 2026 Today Tonight Wed Cloud Cover Pcldy Pcldy Pcldy Precip Type None None Showers Chance Precip (%) 0 0 40 Chance of Thunder (%) 0 0 0 Temp (24h trend) 81 (+6) 59 (+11) 82 RH % (24h trend) 47 (+1) 89 (-10) 60 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var SW 9 G21 Precip Amount 0.00 0.00 0.03 Precip Duration 1 Precip Begin 2 PM Precip End Continuing Mixing Hgt(ft-agl) 4420 400 4330 Transport Wnd (mph) W 6 S 5 SW 18 Vent Rate (kt-ft) 22100 1600 69280 Dispersion 5 1 5 DSI 2 2 Sunshine Hours 7 5 Max ADI Early 13 Gen Poor 10 Poor 40 Fair Max ADI Late 31 Fair 4 Very Poor 52 Gen Good Max LVORI Early 6 5 5 Max LVORI Late 2 6 2 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Showers and thunderstorms. Lows in the mid 60s. Highs in the mid 70s. Minimum RH 73 percent. Southwest winds 5 to 10 mph. .FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. Minimum RH 50 percent. Northwest winds around 5 mph. .SATURDAY...Partly cloudy. A chance of showers. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 65 percent. Southeast winds around 5 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower 60s. Highs in the upper 70s. Minimum RH 66 percent. South winds around 5 mph. .MONDAY...Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the mid 70s. Minimum RH 63 percent. South winds around 5 mph. $$ --------------------------------------------------------------------------- .OUTLOOK 8 TO 14 DAYS... Temperatures near normal. Precipitation above normal. --------------------------------------------------------------------------- .END