--------------------------------------------------------------------------- FWF Combo Report generated using the latest Fire Weather Forecasts issued by PBZ/CTP at *** 5:46am *** on Thursday September 17, 2026. --------------------------------------------------------------------------- Fire Weather Planning Forecast National Weather Service Pittsburgh PA 1249 AM EDT Thu Sep 17 2026 Forest- Including the city of Tionesta 1249 AM EDT Thu Sep 17 2026 Today Tonight Fri Cloud Cover Mcldy Pcldy Mclear Precip Type Tstms None None Chance Precip (%) 80 0 0 Chance of Thunder (%) 20 0 0 Temp (24h trend) 79 (-2) 57 (-7) 75 RH % (24h trend) 79 (+5) 100 (0) 56 Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) Lgt/Var Lgt/Var Lgt/Var Precip Amount 0.18 0.00 0.00 Precip Duration 5 Precip Begin 6 AM Precip End 6 PM Mixing Hgt(m-agl/msl) 770 1450 Mixing Hgt(ft-agl/msl)2520 4750 Transport Wnd (mph) NW 10 N 12 Vent Rate (kt-ft) 22680 47500 Category Day 2 3 Inversion 69F/10am 7pm 60F/9am Dispersion 2 3 Max ADI Early 15 Gen Poor 5 Very Poor 40 Fair Max ADI Late 22 Fair 4 Very Poor 62 Good Max LVORI Early 9 9 8 Max LVORI Late 5 9 2 Remarks...ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Lows in the upper 50s. Highs in the upper 70s. Northeast winds around 5 mph. .SUNDAY...Showers and a chance of thunderstorms. Lows in the mid 60s. Highs in the upper 70s. Southwest winds 10 to 15 mph. .MONDAY...Mostly cloudy with a chance of showers. Lows in the lower 60s. Highs in the mid 70s. East winds 5 to 10 mph. .TUESDAY...Mostly cloudy with a chance of showers. Lows in the lower 60s. Highs in the mid 70s. East winds 10 to 15 mph. .WEDNESDAY...Mostly cloudy. A chance of showers. Lows around 60. Highs in the lower 70s. Southeast winds 15 to 20 mph. $$ --------------------------------------------------------------------------- Fire Weather Planning Forecast for Central Pennsylvania National Weather Service State College, PA 546 AM EDT Thu Sep 17 2026 .DISCUSSION... A very slow moving cold frontal boundary, draped along the Interstate 90 corridor in Northwestern PA and Northern Ohio early this morning, will drift southeast today and tonight bringing widely scattered showers and a few thunderstorms. Cooler and less humid air with much lower dewpoints will follow for Friday and Saturday. Clouds will increase and thicken up Saturday with periods of rain from later Saturday night into early next week. && Warren- Including the city of Warren 546 AM EDT Thu Sep 17 2026 Today Tonight Fri Cloud Cover Mcldy Mcldy Mclear Precip Type Tstms None None Chance Precip (%) 60 0 0 Chance of Thunder (%) 20 0 0 Temp (24h trend) 76 (-3) 55 (-9) 72 RH % (24h trend) 79 (+1) 100 (0) 54 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Precip Amount 0.07 0.00 0.00 Precip Duration 4 Precip Begin 6 AM Precip End 6 PM Mixing Hgt(ft-agl) 2310 440 3710 Transport Wnd (mph) NW 9 NW 6 N 10 Vent Rate (kt-ft) 18480 2200 33390 Dispersion 5 1 5 DSI 1 1 Sunshine Hours 2 7 Max ADI Early 10 Poor 5 Very Poor 28 Fair Max ADI Late 23 Fair 3 Very Poor 46 Gen Good Max LVORI Early 9 8 7 Max LVORI Late 5 8 3 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY...Mostly cloudy. A chance of showers. Lows in the upper 40s. Highs in the lower 70s. Minimum RH 57 percent. East winds around 5 mph. .SUNDAY...Showers and a chance of thunderstorms. Lows in the upper 50s. Highs in the lower 70s. Minimum RH 85 percent. South winds around 5 mph. .MONDAY...Mostly cloudy. Lows in the lower 50s. Highs in the upper 60s. Minimum RH 63 percent. Northeast winds around 5 mph. .TUESDAY...Mostly cloudy with a chance of showers. Lows in the lower 50s. Highs in the upper 60s. Minimum RH 65 percent. East winds around 5 mph. .WEDNESDAY...Mostly cloudy with a chance of showers. Lows in the lower 50s. Highs in the upper 60s. Minimum RH 63 percent. Southeast winds 5 to 10 mph. $$ McKean- Including the city of Bradford 546 AM EDT Thu Sep 17 2026 Today Tonight Fri Cloud Cover Mcldy Mcldy Pcldy Precip Type Tstms Showers None Chance Precip (%) 70 30 0 Chance of Thunder (%) 20 0 0 Temp (24h trend) 75 (-3) 53 (-9) 71 RH % (24h trend) 80 (+5) 100 (0) 53 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Precip Amount 0.12 0.01 0.00 Precip Duration 5 0 Precip Begin 6 AM Continuing Precip End Continuing 8 PM Mixing Hgt(ft-agl) 2340 440 3990 Transport Wnd (mph) W 9 NW 6 N 12 Vent Rate (kt-ft) 18720 2200 39900 Dispersion 5 2 5 DSI 1 1 Sunshine Hours 2 7 Max ADI Early 16 Gen Poor 5 Very Poor 31 Fair Max ADI Late 24 Fair 3 Very Poor 53 Gen Good Max LVORI Early 9 9 8 Max LVORI Late 4 9 2 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY...Mostly cloudy. Lows in the mid 40s. Highs in the upper 60s. Minimum RH 54 percent. East winds around 5 mph. .SUNDAY...Showers and a chance of thunderstorms. Lows in the mid 50s. Highs in the upper 60s. Minimum RH 87 percent. South winds around 5 mph. .MONDAY...Mostly cloudy. Lows in the upper 40s. Highs in the mid 60s. Minimum RH 63 percent. Northeast winds around 5 mph. .TUESDAY...Mostly cloudy with a chance of showers. Lows in the upper 40s. Highs in the mid 60s. Minimum RH 64 percent. East winds around 5 mph. .WEDNESDAY...Mostly cloudy with a chance of showers. Lows in the upper 40s. Highs in the mid 60s. Minimum RH 62 percent. Southeast winds around 10 mph. $$ Elk- Including the cities of St. Marys and Ridgway 546 AM EDT Thu Sep 17 2026 Today Tonight Fri Cloud Cover Mcldy Mcldy Pcldy Precip Type Tstms Showers None Chance Precip (%) 80 40 0 Chance of Thunder (%) 50 0 0 Temp (24h trend) 76 (-5) 55 (-7) 73 RH % (24h trend) 79 (+8) 100 (0) 52 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Precip Amount 0.14 0.01 0.00 Precip Duration 8 1 Precip Begin 6 AM Continuing Precip End Continuing 9 PM Mixing Hgt(ft-agl) 2460 450 4060 Transport Wnd (mph) W 10 N 7 N 10 Vent Rate (kt-ft) 22140 2700 36540 Dispersion 5 2 5 DSI 1 1 Sunshine Hours 2 7 Max ADI Early 16 Gen Poor 5 Very Poor 28 Fair Max ADI Late 24 Fair 3 Very Poor 49 Gen Good Max LVORI Early 9 9 7 Max LVORI Late 4 8 3 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY...Mostly cloudy. Lows in the upper 40s. Highs around 70. Minimum RH 58 percent. East winds around 5 mph. .SUNDAY...Showers. Lows in the upper 50s. Highs in the lower 70s. Minimum RH 89 percent. South winds around 5 mph. .MONDAY...Mostly cloudy. Lows in the lower 50s. Highs in the mid 60s. Minimum RH 67 percent. Northeast winds around 5 mph. .TUESDAY...Mostly cloudy with a chance of showers. Lows in the lower 50s. Highs in the mid 60s. Minimum RH 69 percent. East winds around 5 mph. .WEDNESDAY...Mostly cloudy with a chance of showers. Lows around 50. Highs in the mid 60s. Minimum RH 67 percent. East winds around 10 mph. $$ --------------------------------------------------------------------------- .OUTLOOK 8 TO 14 DAYS... Temperatures above normal. Precipitation near normal. --------------------------------------------------------------------------- .END