--------------------------------------------------------------------------- FWF Combo Report generated using the latest Fire Weather Forecasts issued by PBZ/CTP at *** 2:52am *** on Wednesday May 20, 2026. --------------------------------------------------------------------------- Fire Weather Planning Forecast National Weather Service Pittsburgh PA 229 AM EDT Wed May 20 2026 Forest- Including the city of Tionesta 229 AM EDT Wed May 20 2026 Today Tonight Thu Cloud Cover Mcldy Mcldy Pcldy Precip Type Tstms None None Chance Precip (%) 60 0 0 Chance of Thunder (%) 20 0 0 Temp (24h trend) 67 (-16) 43 (-21) 69 RH % (24h trend) 56 (+2) 78 (-12) 33 Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var Wind 20ft/late(mph) N 5 Lgt/Var Lgt/Var Precip Amount 0.02 0.00 0.00 Precip Duration 2 Precip Begin 6 AM Precip End 4 PM Mixing Hgt(m-agl/msl) 650 1710 Mixing Hgt(ft-agl/msl)2120 5600 Transport Wnd (mph) N 14 E 13 Vent Rate (kt-ft) 25440 61600 Category Day 2 4 Inversion 66F/7am 8pm 45F/7am Dispersion 2 4 Max ADI Early 24 Fair 9 Poor 54 Gen Good Max ADI Late 35 Fair 8 Poor 87 Good Max LVORI Early 5 3 4 Max LVORI Late 3 4 1 Remarks...ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Showers. Lows in the lower 50s. Highs in the mid 60s. East winds 5 to 10 mph. .SATURDAY...Showers and a chance of thunderstorms. Lows in the lower 50s. Highs around 70. East winds around 10 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the upper 50s. Highs in the upper 70s. South winds 15 to 20 mph. .MONDAY...Mostly cloudy with showers likely. Lows in the lower 60s. Highs in the upper 70s. Southwest winds 5 to 10 mph. .TUESDAY...Mostly cloudy with a chance of showers. 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 252 AM EDT Wed May 20 2026 .DISCUSSION... A cold front will trigger showers and thunderstorms today with a few strong to marginally severe storms possible in the southern tier. A major cooldown is expected into Memorial Day weekend along with soaking rainfall Friday and Saturday. && Warren- Including the city of Warren 252 AM EDT Wed May 20 2026 Today Tonight Thu Cloud Cover Mcldy Mcldy Mclear Precip Type Showers None None Chance Precip (%) 40 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 64 (-18) 41 (-20) 68 RH % (24h trend) 56 (+5) 80 (-16) 33 20ftWnd-Val/AM(mph) NW 5 NE 5 G12 20ftWnd-Rdg/PM(mph) NW 5 G12 Lgt/Var NE 5 G12 Precip Amount 0.03 0.00 0.00 Precip Duration 2 Precip Begin 6 AM Precip End 5 PM Mixing Hgt(ft-agl) 2300 580 5090 Transport Wnd (mph) N 13 N 9 E 14 Vent Rate (kt-ft) 25300 4640 61080 Dispersion 5 3 5 DSI 1 2 Sunshine Hours 3 9 Max ADI Early 20 Gen Poor 26 Fair 57 Gen Good Max ADI Late 27 Fair 8 Poor 84 Good Max LVORI Early 7 3 4 Max LVORI Late 3 4 1 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. A chance of rain. Lows in the mid 40s. Highs in the mid 60s. Minimum RH 54 percent. East winds around 5 mph. .SATURDAY...Rain. Lows in the upper 40s. Highs in the upper 50s. Minimum RH 81 percent. Southeast winds around 10 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Warmer. Lows in the lower 50s. Highs in the lower 70s. Minimum RH 65 percent. Southeast winds 5 to 10 mph. .MONDAY...Mostly cloudy with showers likely. Lows in the mid 50s. Highs in the mid 70s. Minimum RH 62 percent. Southeast winds around 5 mph. .TUESDAY...Mostly cloudy. Lows in the mid 50s. Highs in the upper 70s. Minimum RH 55 percent. Southwest winds around 5 mph. $$ McKean- Including the city of Bradford 252 AM EDT Wed May 20 2026 Today Tonight Thu Cloud Cover Mcldy Mcldy Pcldy Precip Type Showers None None Chance Precip (%) 50 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 67 (-14) 41 (-21) 66 RH % (24h trend) 56 (+6) 78 (-16) 32 20ftWnd-Val/AM(mph) W 5 NE 5 G13 20ftWnd-Rdg/PM(mph) NW 5 G13 Lgt/Var NE 5 G12 Precip Amount 0.03 0.00 0.00 Precip Duration 2 Precip Begin 6 AM Precip End 5 PM Mixing Hgt(ft-agl) 2250 680 4780 Transport Wnd (mph) NW 13 N 9 E 14 Vent Rate (kt-ft) 24750 5440 57360 Dispersion 5 3 5 DSI 1 2 Sunshine Hours 3 9 Max ADI Early 25 Fair 25 Fair 58 Gen Good Max ADI Late 27 Fair 8 Poor 80 Good Max LVORI Early 5 3 3 Max LVORI Late 3 4 1 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. A chance of rain. Lows in the lower 40s. Highs in the lower 60s. Minimum RH 52 percent. East winds around 5 mph. .SATURDAY...Rain, cooler. Lows in the mid 40s. Highs in the lower 50s. Minimum RH 82 percent. Southeast winds 10 to 15 mph. .SUNDAY...Mostly cloudy with showers likely. Warmer. Lows in the upper 40s. Highs around 70. Minimum RH 65 percent. Southeast winds 5 to 10 mph. .MONDAY...Mostly cloudy with showers likely. Lows in the lower 50s. Highs in the lower 70s. Minimum RH 59 percent. Southeast winds around 5 mph. .TUESDAY...Mostly cloudy. Lows in the mid 50s. Highs in the mid 70s. Minimum RH 52 percent. West winds around 5 mph. $$ Elk- Including the cities of St. Marys and Ridgway 252 AM EDT Wed May 20 2026 Today Tonight Thu Cloud Cover Mcldy Mcldy Pcldy Precip Type Tstms None None Chance Precip (%) 70 0 0 Chance of Thunder (%) 20 0 0 Temp (24h trend) 69 (-12) 43 (-20) 68 RH % (24h trend) 58 (+3) 78 (-17) 34 20ftWnd-Val/AM(mph) W 5 G12 NE 5 G13 20ftWnd-Rdg/PM(mph) NW 6 G14 Lgt/Var NE 5 G12 Precip Amount 0.07 0.00 0.00 Precip Duration 3 Precip Begin 6 AM Precip End 6 PM Mixing Hgt(ft-agl) 2310 660 5210 Transport Wnd (mph) NW 13 N 9 E 13 Vent Rate (kt-ft) 25410 5280 57310 Dispersion 5 3 5 DSI 1 2 Sunshine Hours 3 8 Max ADI Early 24 Fair 24 Fair 53 Gen Good Max ADI Late 26 Fair 8 Poor 82 Good Max LVORI Early 5 3 3 Max LVORI Late 3 4 1 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY...Mostly cloudy. A chance of rain. Lows in the mid 40s. Highs in the lower 60s. Minimum RH 60 percent. East winds 5 to 10 mph. .SATURDAY...Rain. Lows in the mid 40s. Highs in the mid 50s. Minimum RH 85 percent. Southeast winds around 10 mph. .SUNDAY...Showers, warmer. Lows in the upper 40s. Highs around 70. Minimum RH 68 percent. Southeast winds 5 to 10 mph. .MONDAY...Mostly cloudy with showers likely. Lows in the mid 50s. Highs in the mid 70s. Minimum RH 62 percent. Southeast winds around 5 mph. .TUESDAY...Mostly cloudy. A chance of showers. Lows in the mid 50s. Highs in the upper 70s. Minimum RH 55 percent. Northwest winds around 5 mph. $$ --------------------------------------------------------------------------- .OUTLOOK 8 TO 14 DAYS... Temperatures above normal. Precipitation below normal. --------------------------------------------------------------------------- .END