--------------------------------------------------------------------------- FWF Combo Report generated using the latest Fire Weather Forecasts issued by PBZ/CTP at *** 2:04am *** on Sunday August 23, 2026. --------------------------------------------------------------------------- Fire Weather Planning Forecast National Weather Service Pittsburgh PA 1251 AM EDT Sun Aug 23 2026 Forest- Including the city of Tionesta 1251 AM EDT Sun Aug 23 2026 Today Tonight Mon Cloud Cover Mcldy Mcldy Pcldy Precip Type Tstms Tstms None Chance Precip (%) 70 80 0 Chance of Thunder (%) 30 30 0 Temp (24h trend) 70 (-9) 50 (-7) 66 RH % (24h trend) 68 (+13) 100 (0) 73 Wind 20ft/early(mph) W 6 G17 Lgt/Var W 5 G17 Wind 20ft/late(mph) W 7 G17 Lgt/Var W 7 G18 Precip Amount 0.03 0.06 0.00 Precip Duration 4 4 Precip Begin 6 AM Continuing Precip End Continuing 4 AM Mixing Hgt(m-agl/msl) 1350 1370 Mixing Hgt(ft-agl/msl)4440 4500 Transport Wnd (mph) W 17 W 16 Vent Rate (kt-ft) 66600 63000 Category Day 4 4 Inversion 59F/8am 8pm 54F/8am Dispersion 4 4 Max ADI Early 48 Gen Good 10 Poor 53 Gen Good Max ADI Late 61 Good 5 Very Poor 61 Good Max LVORI Early 8 9 8 Max LVORI Late 4 9 4 Remarks...ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 70s. South winds around 5 mph. .WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper 70s. Light winds. .THURSDAY...Mostly cloudy. A chance of showers. Lows around 60. Highs in the lower 80s. South winds around 5 mph. .FRIDAY...Mostly cloudy. A chance of showers. Lows in the lower 60s. Highs around 80. West winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows in the lower 60s. Highs around 80. Northwest winds around 5 mph. $$ --------------------------------------------------------------------------- Fire Weather Planning Forecast for Central Pennsylvania National Weather Service State College, PA 204 AM EDT Sun Aug 23 2026 .DISCUSSION... A rather strong upper level low for late Summer will be accompanied by several disturbances rotating through its base as it moves Southeast from the Upper Great Lakes today and drifts across Western New York Monday morning. Each disturbance will be accompanied by a period of showers and thunderstorms that could produce brief gusty winds and small hail. The greatest chance for precipitation will come today and tonight and will be focused mainly across Northwest and North-Central PA. Additional, scattered showers and isolated thunderstorms will occur on Monday, mainly in the afternoon and early evening. High temperatures will trend cooler by several degrees from today to Monday. Dry weather will follow for mid- week with afternoon RHs staying above 50%. && Warren- Including the city of Warren 204 AM EDT Sun Aug 23 2026 Today Tonight Mon Cloud Cover Mcldy Mcldy Pcldy Precip Type Tstms Tstms Showers Chance Precip (%) 80 90 40 Chance of Thunder (%) 50 50 0 Temp (24h trend) 70 (-8) 50 (-6) 67 RH % (24h trend) 68 (+9) 100 (0) 70 20ftWnd-Val/AM(mph) W 6 G17 SW 5 G17 20ftWnd-Rdg/PM(mph) W 7 G18 Lgt/Var W 7 G19 Precip Amount 0.16 0.27 0.02 Precip Duration 8 6 1 Precip Begin 6 AM Continuing 6 AM Precip End Continuing 5 AM Continuing Mixing Hgt(ft-agl) 3650 430 3610 Transport Wnd (mph) W 17 W 8 W 18 Vent Rate (kt-ft) 54750 3010 57760 Dispersion 5 2 5 DSI 2 2 Sunshine Hours 3 5 Max ADI Early 48 Gen Good 19 Gen Poor 54 Gen Good Max ADI Late 60 Gen Good 6 Very Poor 77 Good Max LVORI Early 8 9 8 Max LVORI Late 4 9 4 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY...Mostly cloudy. A chance of showers. Lows in the lower 50s. Highs in the lower 70s. Minimum RH 63 percent. West winds around 5 mph. .WEDNESDAY...Partly cloudy. Lows around 50. Highs in the upper 70s. Minimum RH 53 percent. Light winds. .THURSDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs around 80. Minimum RH 62 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 66 percent. Southwest winds around 5 mph. .SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid 70s. Minimum RH 59 percent. Light winds. $$ McKean- Including the city of Bradford 204 AM EDT Sun Aug 23 2026 Today Tonight Mon Cloud Cover Mcldy Mcldy Mcldy Precip Type Tstms Tstms Showers Chance Precip (%) 70 80 40 Chance of Thunder (%) 50 50 0 Temp (24h trend) 69 (-7) 47 (-7) 65 RH % (24h trend) 67 (+8) 100 (0) 71 20ftWnd-Val/AM(mph) W 7 G17 W 6 G17 20ftWnd-Rdg/PM(mph) W 8 G18 W 5 G16 W 8 G19 Precip Amount 0.07 0.13 0.03 Precip Duration 6 5 1 Precip Begin 7 AM Continuing 10 AM Precip End Continuing 5 AM Continuing Mixing Hgt(ft-agl) 3870 440 3590 Transport Wnd (mph) W 20 W 9 W 20 Vent Rate (kt-ft) 65790 3520 61030 Dispersion 5 2 5 DSI 2 2 Sunshine Hours 4 4 Max ADI Early 51 Gen Good 21 Fair 58 Gen Good Max ADI Late 63 Good 6 Very Poor 71 Good Max LVORI Early 8 8 8 Max LVORI Late 4 9 4 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY...Mostly cloudy. A chance of showers. Lows around 50. Highs in the lower 70s. Minimum RH 65 percent. West winds around 5 mph. .WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the upper 70s. Minimum RH 53 percent. Light winds. .THURSDAY...Mostly cloudy. A chance of showers and thunderstorms. 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 mid 70s. Minimum RH 67 percent. Southwest winds around 5 mph. .SATURDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 70s. Minimum RH 59 percent. Light winds. $$ Elk- Including the cities of St. Marys and Ridgway 204 AM EDT Sun Aug 23 2026 Today Tonight Mon Cloud Cover Mcldy Pcldy Pcldy Precip Type Tstms Tstms Showers Chance Precip (%) 70 70 20 Chance of Thunder (%) 50 50 0 Temp (24h trend) 70 (-7) 48 (-7) 66 RH % (24h trend) 67 (+4) 100 (0) 73 20ftWnd-Val/AM(mph) W 7 G17 W 6 G18 20ftWnd-Rdg/PM(mph) W 8 G18 Lgt/Var W 8 G19 Precip Amount 0.03 0.04 0.01 Precip Duration 4 4 0 Precip Begin 8 AM Continuing 2 PM Precip End Continuing 5 AM Continuing Mixing Hgt(ft-agl) 4160 440 3580 Transport Wnd (mph) W 20 W 9 W 18 Vent Rate (kt-ft) 70720 3520 57280 Dispersion 5 2 5 DSI 1 2 Sunshine Hours 4 5 Max ADI Early 57 Gen Good 21 Fair 58 Gen Good Max ADI Late 67 Good 6 Very Poor 68 Good Max LVORI Early 8 9 8 Max LVORI Late 4 9 4 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. Minimum RH 67 percent. West winds around 5 mph. .WEDNESDAY...Partly cloudy. Lows around 50. Highs in the upper 70s. Minimum RH 57 percent. Light winds. .THURSDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Minimum RH 66 percent. Southeast winds around 5 mph. .FRIDAY...Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the upper 70s. Minimum RH 69 percent. Southwest winds around 5 mph. .SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid 70s. Minimum RH 63 percent. Light winds. $$ --------------------------------------------------------------------------- .OUTLOOK 8 TO 14 DAYS... Temperatures near normal. Precipitation above normal. --------------------------------------------------------------------------- .END