--------------------------------------------------------------------------- FWF Combo Report generated using the latest Fire Weather Forecasts issued by PBZ/CTP at *** 4:29am *** on Friday September 18, 2026. --------------------------------------------------------------------------- Fire Weather Planning Forecast National Weather Service Pittsburgh PA 1239 AM EDT Fri Sep 18 2026 Forest- Including the city of Tionesta 1239 AM EDT Fri Sep 18 2026 Today Tonight Sat Cloud Cover Pcldy Pcldy Pcldy Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 74 (-1) 49 (-13) 72 RH % (24h trend) 53 (-30) 100 (+2) 57 Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt(m-agl/msl) 1220 680 Mixing Hgt(ft-agl/msl)4000 2230 Transport Wnd (mph) N 10 SE 9 Vent Rate (kt-ft) 36000 17840 Category Day 3 2 Inversion 62F/9am 7pm 54F/9am Dispersion 3 2 Max ADI Early 27 Fair 6 Very Poor 17 Gen Poor Max ADI Late 49 Gen Good 4 Very Poor 24 Fair Max LVORI Early 7 9 6 Max LVORI Late 2 9 2 Remarks...ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .SUNDAY...Showers and a chance of thunderstorms. Lows in the mid 60s. Highs in the mid 70s. South winds around 5 mph. .MONDAY...Mostly cloudy with a chance of showers. Lows in the upper 50s. Highs around 70. Northeast winds 5 to 10 mph. .TUESDAY...Mostly cloudy with showers likely. Lows in the upper 50s. Highs in the mid 60s. East winds 10 to 15 mph. .WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid 50s. Highs in the upper 60s. East winds 15 to 20 mph. .THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower 50s. Highs in the upper 60s. East winds 15 to 20 mph. $$ --------------------------------------------------------------------------- Fire Weather Planning Forecast for Central Pennsylvania National Weather Service State College, PA 429 AM EDT Fri Sep 18 2026 .DISCUSSION... Cloudy skies to start the day will give way to increasing sunshine from north to south as the day progresses. A few isolated showers can not be ruled out, but most places will not pick up any measurable precipitation. Dewpoints will drop from the upper 60s and low 70s this morning to the 50s by this evening as northerly winds gust up to 20 mph. Clouds will increase and thicken up Saturday with periods of rain from later Saturday night into Sunday. A rainy pattern will settle in next week with up to several inches of rain possible by next Friday. && Warren- Including the city of Warren 429 AM EDT Fri Sep 18 2026 Today Tonight Sat Cloud Cover Pcldy Pcldy Pcldy Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 74 (-2) 48 (-11) 70 RH % (24h trend) 51 (-28) 93 (-7) 50 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) N 5 Lgt/Var Lgt/Var Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt(ft-agl) 4220 430 3120 Transport Wnd (mph) N 12 N 9 SE 8 Vent Rate (kt-ft) 42200 3440 21840 Dispersion 5 2 5 DSI 2 2 Sunshine Hours 7 4 Max ADI Early 29 Fair 28 Fair 18 Gen Poor Max ADI Late 54 Gen Good 4 Very Poor 32 Fair Max LVORI Early 10 6 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... .SUNDAY...Showers. Lows in the mid 50s. Highs in the upper 60s. Minimum RH 88 percent. Southeast winds around 5 mph. .MONDAY...Mostly cloudy with a chance of showers. Lows around 50. Highs in the mid 60s. Minimum RH 66 percent. Northeast winds around 5 mph. .TUESDAY...Cloudy with showers likely. Lows in the upper 40s. Highs around 60. Minimum RH 80 percent. East winds around 5 mph. .WEDNESDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the lower 60s. Minimum RH 71 percent. East winds around 10 mph. .THURSDAY...Mostly cloudy with showers likely. Lows in the upper 40s. Highs in the mid 60s. Minimum RH 68 percent. Southeast winds 5 to 10 mph. $$ McKean- Including the city of Bradford 429 AM EDT Fri Sep 18 2026 Today Tonight Sat Cloud Cover Pcldy Pcldy Pcldy Precip Type None None None Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 72 (-4) 45 (-13) 68 RH % (24h trend) 51 (-27) 95 (-5) 46 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) N 5 Lgt/Var Lgt/Var Precip Amount 0.00 0.00 0.00 Precip Duration Precip Begin Precip End Mixing Hgt(ft-agl) 4400 430 2890 Transport Wnd (mph) N 12 NE 10 SE 9 Vent Rate (kt-ft) 44000 3870 23120 Dispersion 5 2 5 DSI 1 1 Sunshine Hours 6 4 Max ADI Early 30 Fair 27 Fair 18 Gen Poor Max ADI Late 58 Gen Good 4 Very Poor 31 Fair Max LVORI Early 10 6 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... .SUNDAY...Showers. Lows in the lower 50s. Highs in the mid 60s. Minimum RH 89 percent. Southeast winds around 5 mph. .MONDAY...Mostly cloudy with a chance of showers. Lows in the upper 40s. Highs in the lower 60s. Minimum RH 66 percent. Northeast winds around 5 mph. .TUESDAY...Cloudy with showers likely. Lows in the mid 40s. Highs in the upper 50s. Minimum RH 79 percent. East winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy with showers likely. Lows in the mid 40s. Highs in the upper 50s. Minimum RH 70 percent. East winds around 10 mph. .THURSDAY...Mostly cloudy with showers likely. Lows in the mid 40s. Highs in the lower 60s. Minimum RH 67 percent. East winds 5 to 10 mph. $$ Elk- Including the cities of St. Marys and Ridgway 429 AM EDT Fri Sep 18 2026 Today Tonight Sat Cloud Cover Pcldy Pcldy Pcldy Precip Type Showers None None Chance Precip (%) 20 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 74 (-3) 45 (-15) 69 RH % (24h trend) 53 (-27) 94 (-6) 53 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Precip Amount 0.00 0.00 0.00 Precip Duration 0 Precip Begin 6 AM Precip End 9 AM Mixing Hgt(ft-agl) 4360 450 3030 Transport Wnd (mph) N 10 E 8 SE 9 Vent Rate (kt-ft) 39240 3150 24240 Dispersion 5 2 5 DSI 1 2 Sunshine Hours 6 5 Max ADI Early 27 Fair 23 Fair 18 Gen Poor Max ADI Late 52 Gen Good 5 Very Poor 34 Fair Max LVORI Early 9 6 5 Max LVORI Late 3 6 2 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .SUNDAY...Showers. Lows in the mid 50s. Highs in the upper 60s. Minimum RH 91 percent. Southeast winds around 5 mph. .MONDAY...Mostly cloudy with a chance of showers. Lows in the lower 50s. Highs in the lower 60s. Minimum RH 70 percent. Northeast winds around 5 mph. .TUESDAY...Cloudy with showers likely. Lows in the upper 40s. Highs in the upper 50s. Minimum RH 84 percent. East winds around 10 mph. .WEDNESDAY...Mostly cloudy with showers likely. Lows in the mid 40s. Highs in the upper 50s. Minimum RH 76 percent. East winds around 10 mph. .THURSDAY...Mostly cloudy with showers likely. Lows in the mid 40s. Highs in the lower 60s. Minimum RH 71 percent. East winds 5 to 10 mph. $$ --------------------------------------------------------------------------- .OUTLOOK 8 TO 14 DAYS... Temperatures near normal. Precipitation near normal. --------------------------------------------------------------------------- .END