--------------------------------------------------------------------------- FWF Combo Report generated using the latest Fire Weather Forecasts issued by PBZ/CTP at *** 3:01am *** on Tuesday August 18, 2026. --------------------------------------------------------------------------- Fire Weather Planning Forecast National Weather Service Pittsburgh PA 1250 AM EDT Tue Aug 18 2026 Forest- Including the city of Tionesta 1250 AM EDT Tue Aug 18 2026 Today Tonight Wed Cloud Cover Mclear Pcldy Pcldy Precip Type None None Tstms Chance Precip (%) 0 0 70 Chance of Thunder (%) 0 0 30 Temp (24h trend) 78 (-2) 56 (-4) 77 RH % (24h trend) 51 (-19) 96 (-4) 69 Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) Lgt/Var Lgt/Var W 5 Precip Amount 0.00 0.00 0.05 Precip Duration 4 Precip Begin 8 AM Precip End Continuing Mixing Hgt(m-agl/msl) 1550 1230 Mixing Hgt(ft-agl/msl)5080 4040 Transport Wnd (mph) NW 9 W 14 Vent Rate (kt-ft) 40640 48480 Category Day 3 3 Inversion 63F/9am 7pm 63F/9am Dispersion 3 3 Max ADI Early 26 Fair 4 Very Poor 38 Fair Max ADI Late 67 Good 4 Very Poor 52 Gen Good Max LVORI Early 9 7 6 Max LVORI Late 1 7 3 Remarks...ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. A chance of showers and thunderstorms. Patchy fog. Lows in the lower 60s. Highs in the upper 70s. Light winds. .FRIDAY...Partly cloudy. A chance of showers. Lows in the upper 50s. Highs in the upper 70s. Northeast winds around 5 mph. .SATURDAY...Partly cloudy. A chance of showers. Lows around 60. Highs in the upper 70s. Southwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows around 60. Highs in the mid 70s. West winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows in the upper 50s. Highs in the mid 70s. West winds 5 to 10 mph. $$ --------------------------------------------------------------------------- Fire Weather Planning Forecast for Central Pennsylvania National Weather Service State College, PA 301 AM EDT Tue Aug 18 2026 .DISCUSSION... Seasonable temperatures will remain in place through the end of the week with noticeable humidity across southern PA and more tolerable conditions farther north and west. A front will bring a chance for rain to northwest PA on Wednesday. More widespread showers and storms are possible Thursday afternoon, especially south of I-80. Daily shower and storm chances continue into the weekend. && Warren- Including the city of Warren 301 AM EDT Tue Aug 18 2026 Today Tonight Wed Cloud Cover Mclear Pcldy Mcldy Precip Type None None Tstms Chance Precip (%) 0 0 70 Chance of Thunder (%) 0 0 50 Temp (24h trend) 78 (0) 56 (-4) 77 RH % (24h trend) 46 (-25) 100 (0) 63 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) NW 5 Lgt/Var W 5 G13 Precip Amount 0.00 0.00 0.11 Precip Duration 6 Precip Begin 7 AM Precip End Continuing Mixing Hgt(ft-agl) 5110 410 3140 Transport Wnd (mph) NW 10 SW 8 W 15 Vent Rate (kt-ft) 45990 2870 40820 Dispersion 5 2 5 DSI 2 2 Sunshine Hours 10 6 Max ADI Early 32 Fair 37 Fair 35 Fair Max ADI Late 65 Good 4 Very Poor 35 Fair Max LVORI Early 9 6 7 Max LVORI Late 1 6 7 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. A chance of showers. Areas of fog through the night, then patchy fog through the day. Lows in the mid 50s. Highs in the upper 70s. Minimum RH 50 percent. Light winds. .FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 46 percent. Light winds. .SATURDAY...Partly cloudy. Showers likely. Lows in the upper 50s. Highs in the upper 70s. Minimum RH 61 percent. Southeast winds around 5 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 50s. Highs in the mid 70s. Minimum RH 62 percent. Southwest winds around 5 mph. .MONDAY...Partly cloudy. A chance of showers. Lows in the lower 50s. Highs in the mid 70s. Minimum RH 59 percent. West winds around 5 mph. $$ McKean- Including the city of Bradford 301 AM EDT Tue Aug 18 2026 Today Tonight Wed Cloud Cover Mclear Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 0 0 70 Chance of Thunder (%) 0 0 50 Temp (24h trend) 77 (-2) 53 (-6) 77 RH % (24h trend) 46 (-19) 100 (0) 63 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) NW 5 Lgt/Var W 6 G14 Precip Amount 0.00 0.00 0.09 Precip Duration 4 Precip Begin 8 AM Precip End Continuing Mixing Hgt(ft-agl) 5270 400 3760 Transport Wnd (mph) NW 12 SW 7 W 15 Vent Rate (kt-ft) 52700 2400 48880 Dispersion 5 2 5 DSI 2 1 Sunshine Hours 10 6 Max ADI Early 40 Fair 48 Gen Good 46 Gen Good Max ADI Late 66 Good 4 Very Poor 46 Gen Good Max LVORI Early 9 6 8 Max LVORI Late 1 7 8 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Areas of fog. Lows in the mid 50s. Highs in the mid 70s. Minimum RH 51 percent. Light winds. .FRIDAY...Mostly clear. Patchy fog through the night. Areas of fog through the day. Lows around 50. Highs in the upper 70s. Minimum RH 45 percent. Light winds. .SATURDAY...Partly cloudy. Showers likely. Lows in the mid 50s. Highs in the upper 70s. Minimum RH 60 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 60 percent. Southwest winds around 5 mph. .MONDAY...Partly cloudy. A chance of showers. Lows in the lower 50s. Highs in the lower 70s. Minimum RH 57 percent. West winds around 5 mph. $$ Elk- Including the cities of St. Marys and Ridgway 301 AM EDT Tue Aug 18 2026 Today Tonight Wed Cloud Cover Mclear Mclear Pcldy Precip Type None None Tstms Chance Precip (%) 0 0 60 Chance of Thunder (%) 0 0 20 Temp (24h trend) 78 (-3) 54 (-6) 78 RH % (24h trend) 48 (-18) 100 (0) 62 20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var 20ftWnd-Rdg/PM(mph) NW 5 Lgt/Var W 6 G15 Precip Amount 0.00 0.00 0.04 Precip Duration 2 Precip Begin 8 AM Precip End Continuing Mixing Hgt(ft-agl) 5400 400 4190 Transport Wnd (mph) NW 10 SW 6 W 14 Vent Rate (kt-ft) 48600 2000 50280 Dispersion 5 1 5 DSI 2 1 Sunshine Hours 10 7 Max ADI Early 34 Fair 45 Gen Good 50 Gen Good Max ADI Late 66 Good 4 Very Poor 50 Gen Good Max LVORI Early 9 6 8 Max LVORI Late 1 7 8 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. A chance of showers. Areas of fog. Lows in the upper 50s. Highs in the mid 70s. Minimum RH 55 percent. Light winds. .FRIDAY...Partly cloudy. Patchy fog through the night. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 51 percent. Light winds. .SATURDAY...Partly cloudy. Showers likely. Lows in the upper 50s. Highs in the upper 70s. Minimum RH 65 percent. East winds around 5 mph. .SUNDAY...Mostly cloudy. Showers likely and a chance of thunderstorms. Lows in the upper 50s. Highs in the mid 70s. Minimum RH 65 percent. Southwest winds around 5 mph. .MONDAY...Partly cloudy. A chance of showers. Lows in the lower 50s. Highs in the lower 70s. Minimum RH 61 percent. West winds around 5 mph. $$ --------------------------------------------------------------------------- .OUTLOOK 8 TO 14 DAYS... Temperatures below normal. Precipitation above normal. --------------------------------------------------------------------------- .END