--------------------------------------------------------------------------- FWF Combo Report generated using the latest Fire Weather Forecasts issued by PBZ/CTP at *** 1:47pm *** on Friday August 21, 2026. --------------------------------------------------------------------------- Fire Weather Planning Forecast National Weather Service Pittsburgh PA 1233 PM EDT Fri Aug 21 2026 Forest- Including the city of Tionesta 1233 PM EDT Fri Aug 21 2026 Tonight Sat Sat Night Sun Cloud Cover Clear Pcldy Mcldy Mcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 40 90 80 Chance of Thunder (%) 0 40 50 30 Temp (24h trend) 53 (0) 79 (+1) 57 70 RH % (24h trend) 90 (-7) 62 (+18) 100 74 Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) Lgt/Var S 5 Lgt/Var W 6 Precip Amount 0.00 0.06 0.45 0.07 Precip Duration 1 6 9 Precip Begin 2 PM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt(m-agl/msl) 1190 1310 Mixing Hgt(ft-agl/msl) 3890 4290 Transport Wnd (mph) S 13 W 15 Vent Rate (kt-ft) 42790 55770 Category Day 3 4 Inversion 7pm 62F/9am 7pm 59F/8am Dispersion 3 4 Max ADI Early 3 Very Poor 34 Fair 7 Poor 42 Gen Good Max ADI Late 4 Very Poor 59 Gen Good 6 Very Poor 58 Gen Good Max LVORI Early 5 5 9 8 Max LVORI Late 6 3 9 4 Remarks...ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .MONDAY...Partly cloudy. Patchy fog through the night. Lows in the mid 50s. Highs in the lower 70s. Southwest winds around 5 mph. .TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. West winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper 70s. South winds around 5 mph. .THURSDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Highs around 80. Southwest winds around 5 mph. .FRIDAY...Mostly cloudy. Lows in the lower 60s. Highs around 80. West winds around 5 mph. $$ --------------------------------------------------------------------------- Fire Weather Planning Forecast for Central Pennsylvania National Weather Service State College, PA 147 PM EDT Fri Aug 21 2026 .DISCUSSION... Trending seasonably cooler this weekend into early next week with periods of showers and thunderstorm in spots Saturday and Sunday. && Warren- Including the city of Warren 147 PM EDT Fri Aug 21 2026 Tonight Sat Sat Night Sun Cloud Cover Mclear Pcldy Mcldy Mcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 50 90 90 Chance of Thunder (%) 0 50 50 50 Temp (24h trend) 51 (-1) 79 (+2) 57 71 RH % (24h trend) 92 (-7) 59 (+15) 100 70 20ftWnd-Val/AM(mph) Lgt/Var W 5 G15 20ftWnd-Rdg/PM(mph) Lgt/Var S 5 Lgt/Var W 7 G17 Precip Amount 0.00 0.23 0.51 0.11 Precip Duration 1 11 12 Precip Begin 10 AM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt(ft-agl) 420 4370 450 4110 Transport Wnd (mph) SE 7 S 14 SW 9 W 17 Vent Rate (kt-ft) 2520 52440 3600 61650 Dispersion 2 5 2 5 DSI 2 2 Sunshine Hours 7 2 Max ADI Early 20 Gen Poor 39 Fair 25 Fair 19 Gen Poor Max ADI Late 4 Very Poor 68 Good 8 Poor 19 Gen Poor Max LVORI Early 5 6 8 8 Max LVORI Late 6 3 9 8 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .MONDAY...Mostly cloudy. A chance of showers. Lows in the lower 50s. Highs in the upper 60s. Minimum RH 67 percent. West winds around 5 mph. .TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. Minimum RH 55 percent. Southwest winds around 5 mph. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 54 percent. South winds around 5 mph. .THURSDAY...Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the upper 70s. Minimum RH 63 percent. South winds around 5 mph. .FRIDAY...Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the upper 70s. Minimum RH 65 percent. Southwest winds around 5 mph. $$ McKean- Including the city of Bradford 147 PM EDT Fri Aug 21 2026 Tonight Sat Sat Night Sun Cloud Cover Mclear Pcldy Mcldy Mcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 40 90 80 Chance of Thunder (%) 0 40 50 50 Temp (24h trend) 49 (-1) 76 (0) 57 70 RH % (24h trend) 96 (-4) 60 (+17) 100 68 20ftWnd-Val/AM(mph) Lgt/Var W 6 G15 20ftWnd-Rdg/PM(mph) Lgt/Var S 6 S 5 W 9 G17 Precip Amount 0.00 0.11 0.35 0.06 Precip Duration 1 9 10 Precip Begin 10 AM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt(ft-agl) 410 4070 450 4460 Transport Wnd (mph) SE 8 S 15 S 14 W 18 Vent Rate (kt-ft) 2870 52910 5400 71360 Dispersion 2 5 3 5 DSI 1 1 Sunshine Hours 7 3 Max ADI Early 23 Fair 44 Gen Good 42 Gen Good 18 Gen Poor Max ADI Late 4 Very Poor 64 Good 9 Poor 18 Gen Poor Max LVORI Early 5 6 7 8 Max LVORI Late 6 4 9 8 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .MONDAY...Mostly cloudy. A chance of showers. Lows in the upper 40s. Highs in the upper 60s. Minimum RH 66 percent. West winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 70s. Minimum RH 55 percent. Southwest winds around 5 mph. .WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid 70s. Minimum RH 53 percent. South winds around 5 mph. .THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid 50s. Highs in the upper 70s. Minimum RH 63 percent. South winds around 5 mph. .FRIDAY...Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the upper 70s. Minimum RH 64 percent. Southwest winds around 5 mph. $$ Elk- Including the cities of St. Marys and Ridgway 147 PM EDT Fri Aug 21 2026 Tonight Sat Sat Night Sun Cloud Cover Mclear Pcldy Mcldy Mcldy Precip Type None Tstms Tstms Tstms Chance Precip (%) 0 50 90 70 Chance of Thunder (%) 0 50 50 50 Temp (24h trend) 51 (0) 76 (0) 58 71 RH % (24h trend) 95 (-5) 67 (+21) 100 72 20ftWnd-Val/AM(mph) Lgt/Var W 6 G16 20ftWnd-Rdg/PM(mph) Lgt/Var S 5 SE 5 W 9 G17 Precip Amount 0.00 0.14 0.30 0.05 Precip Duration 1 9 6 Precip Begin 9 AM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt(ft-agl) 410 3610 450 4430 Transport Wnd (mph) SE 8 S 15 S 10 W 17 Vent Rate (kt-ft) 2870 46930 4050 66450 Dispersion 2 5 2 5 DSI 1 2 Sunshine Hours 6 3 Max ADI Early 15 Gen Poor 37 Fair 25 Fair 20 Gen Poor Max ADI Late 4 Very Poor 47 Gen Good 8 Poor 20 Gen Poor Max LVORI Early 5 6 7 8 Max LVORI Late 6 3 9 8 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .MONDAY...Mostly cloudy. A chance of showers. Lows in the lower 50s. Highs in the upper 60s. Minimum RH 69 percent. West winds around 5 mph. .TUESDAY...Mostly clear. Lows around 50. Highs in the lower 70s. Minimum RH 58 percent. West winds around 5 mph. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 58 percent. Southeast winds around 5 mph. .THURSDAY...Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the upper 70s. Minimum RH 68 percent. Southeast winds around 5 mph. .FRIDAY...Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the upper 70s. Minimum RH 67 percent. Southwest winds around 5 mph. $$ --------------------------------------------------------------------------- .OUTLOOK 8 TO 14 DAYS... Temperatures near normal. Precipitation above normal. --------------------------------------------------------------------------- .END