--------------------------------------------------------------------------- FWF Combo Report generated using the latest Fire Weather Forecasts issued by PBZ/CTP at *** 2:54am *** on Wednesday August 19, 2026. --------------------------------------------------------------------------- Fire Weather Planning Forecast National Weather Service Pittsburgh PA 104 AM EDT Wed Aug 19 2026 Forest- Including the city of Tionesta 104 AM EDT Wed Aug 19 2026 Today Tonight Thu Cloud Cover Pcldy Pcldy Mcldy Precip Type Tstms Showers Showers Chance Precip (%) 40 20 40 Chance of Thunder (%) 30 0 0 Temp (24h trend) 78 (+1) 55 (-1) 76 RH % (24h trend) 67 (+15) 100 (+2) 54 Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) W 5 Lgt/Var Lgt/Var Precip Amount 0.02 0.01 0.16 Precip Duration 1 0 2 Precip Begin 12 PM Continuing Continuing Precip End Continuing Continuing 5 PM Mixing Hgt(m-agl/msl) 1230 Mixing Hgt(ft-agl/msl)4040 Transport Wnd (mph) W 14 N/A Vent Rate (kt-ft) 48480 Category Day 3 Inversion 64F/9am 8pm Dispersion 3 Max ADI Early 47 Gen Good 7 Poor 17 Gen Poor Max ADI Late 51 Gen Good 2 Very Poor 39 Fair Max LVORI Early 7 8 9 Max LVORI Late 3 10 3 Remarks...ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Mostly clear. Patchy fog through the night. Lows in the upper 50s. Highs in the upper 70s. Light winds. .SATURDAY...Partly cloudy. Showers likely and a chance of thunderstorms. Lows around 60. Highs in the upper 70s. Southwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows around 60. Highs in the mid 70s. West winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid 70s. West winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows in the upper 50s. Highs in the upper 70s. Southwest winds 5 to 10 mph. $$ --------------------------------------------------------------------------- Fire Weather Planning Forecast for Central Pennsylvania National Weather Service State College, PA 254 AM EDT Wed Aug 19 2026 .DISCUSSION... Patchy valley fog across northern PA will mix out after daybreak. A band of rain showers moving across Lake Erie will likely impact the northwest Alleghenies/ANF region later this morning. Additional isolated to scattered showers/t-storm are possible mainly across the northwestern half of central PA through the afternoon. Rain should be focused more over the southern part of the forecast area on Thursday with some locally heavy downpours and thunderstorms possible near the MD line. Following a break in the precip on Friday, the weekend continues to look rather unsettled, though considerable uncertainty remains in the extent and location of showers and storms. && Warren- Including the city of Warren 254 AM EDT Wed Aug 19 2026 Today Tonight Thu Cloud Cover Pcldy Pcldy Mcldy Precip Type Tstms None Showers Chance Precip (%) 50 0 40 Chance of Thunder (%) 50 0 0 Temp (24h trend) 78 (+1) 54 (-2) 77 RH % (24h trend) 64 (+11) 100 (+2) 49 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) W 6 G14 Lgt/Var Lgt/Var Precip Amount 0.05 0.00 0.09 Precip Duration 1 1 Precip Begin 8 AM 6 AM Precip End 5 PM 2 PM Mixing Hgt(ft-agl) 3260 410 4800 Transport Wnd (mph) W 14 NE 6 N 8 Vent Rate (kt-ft) 39120 2050 33600 Dispersion 5 1 5 DSI 2 2 Sunshine Hours 7 7 Max ADI Early 32 Fair 29 Fair 18 Gen Poor Max ADI Late 48 Gen Good 3 Very Poor 18 Gen Poor Max LVORI Early 7 8 9 Max LVORI Late 3 10 9 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 46 percent. East winds around 5 mph. .SATURDAY...Partly cloudy. Showers likely and a chance of thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Minimum RH 62 percent. Southeast winds around 5 mph. .SUNDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Minimum RH 64 percent. Southwest winds around 5 mph. .MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. Minimum RH 58 percent. West winds around 5 mph. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 70s. Minimum RH 57 percent. Southwest winds around 5 mph. $$ McKean- Including the city of Bradford 254 AM EDT Wed Aug 19 2026 Today Tonight Thu Cloud Cover Pcldy Pcldy Mcldy Precip Type Tstms None Showers Chance Precip (%) 50 0 40 Chance of Thunder (%) 50 0 0 Temp (24h trend) 77 (+2) 52 (-2) 75 RH % (24h trend) 64 (+12) 100 (0) 48 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) W 7 G15 Lgt/Var Lgt/Var Precip Amount 0.07 0.00 0.09 Precip Duration 1 1 Precip Begin 11 AM 6 AM Precip End 6 PM 2 PM Mixing Hgt(ft-agl) 3980 400 5690 Transport Wnd (mph) W 15 NW 5 N 8 Vent Rate (kt-ft) 51740 1600 39830 Dispersion 5 1 5 DSI 2 2 Sunshine Hours 8 6 Max ADI Early 39 Fair 36 Fair 18 Gen Poor Max ADI Late 44 Gen Good 2 Very Poor 18 Gen Poor Max LVORI Early 7 9 9 Max LVORI Late 3 10 9 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Mostly clear. Patchy fog through the night. Lows in the upper 40s. Highs in the upper 70s. Minimum RH 44 percent. Light winds. .SATURDAY...Showers and a chance of thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Minimum RH 63 percent. Southeast winds around 5 mph. .SUNDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the mid 50s. Highs in the lower 70s. Minimum RH 62 percent. West winds around 5 mph. .MONDAY...Partly cloudy. Lows around 50. Highs in the lower 70s. Minimum RH 57 percent. West winds around 5 mph. .TUESDAY...Partly cloudy. Lows around 50. Highs in the mid 70s. Minimum RH 56 percent. West winds around 5 mph. $$ Elk- Including the cities of St. Marys and Ridgway 254 AM EDT Wed Aug 19 2026 Today Tonight Thu Cloud Cover Pcldy Pcldy Mcldy Precip Type Tstms Showers Showers Chance Precip (%) 30 20 50 Chance of Thunder (%) 30 0 0 Temp (24h trend) 78 (+2) 54 (-2) 76 RH % (24h trend) 65 (+10) 100 (+1) 55 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) W 7 G15 Lgt/Var Lgt/Var Precip Amount 0.02 0.01 0.19 Precip Duration 1 1 1 Precip Begin 1 PM Continuing Continuing Precip End Continuing Continuing 2 PM Mixing Hgt(ft-agl) 4310 400 5260 Transport Wnd (mph) W 15 NW 5 N 8 Vent Rate (kt-ft) 56030 1600 36820 Dispersion 5 1 5 DSI 2 2 Sunshine Hours 8 6 Max ADI Early 62 Good 33 Fair 16 Gen Poor Max ADI Late 43 Gen Good 2 Very Poor 16 Gen Poor Max LVORI Early 7 8 9 Max LVORI Late 3 10 9 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Mostly clear. Patchy fog through the night. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 50 percent. Northeast winds around 5 mph. .SATURDAY...Partly cloudy. Showers likely and a chance of thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Minimum RH 70 percent. Southeast winds around 5 mph. .SUNDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the upper 50s. Highs in the lower 70s. Minimum RH 67 percent. West winds around 5 mph. .MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. Minimum RH 59 percent. West winds around 5 mph. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 70s. Minimum RH 59 percent. West winds around 5 mph. $$ --------------------------------------------------------------------------- .OUTLOOK 8 TO 14 DAYS... Temperatures below normal. Precipitation above normal. --------------------------------------------------------------------------- .END