--------------------------------------------------------------------------- FWF Combo Report generated using the latest Fire Weather Forecasts issued by PBZ/CTP at *** 1:24am *** on Monday April 20, 2026. --------------------------------------------------------------------------- Fire Weather Planning Forecast National Weather Service Pittsburgh PA 123 AM EDT Mon Apr 20 2026 Forest- Including the city of Tionesta 123 AM EDT Mon Apr 20 2026 Today Tonight Tue Cloud Cover Pcldy Mclear Pcldy Precip Type Snow Showers None None Chance Precip (%) 30 0 0 Chance of Thunder (%) 0 0 0 Temp (24h trend) 42 (-5) 22 (-6) 59 RH % (24h trend) 28 (-13) 76 (-18) 35 Wind 20ft/early(mph) NW 6 Lgt/Var Lgt/Var Wind 20ft/late(mph) NW 7 Lgt/Var S 7 Precip Amount 0.00 0.00 0.00 Precip Duration 1 Precip Begin 6 AM Precip End 8 AM Mixing Hgt(m-agl/msl) 2070 1200 Mixing Hgt(ft-agl/msl)6780 3920 Transport Wnd (mph) NW 18 SW 21 Vent Rate (kt-ft) 108480 70560 Category Day 5 4 Inversion 28F/6am 10pm 30F/8am Dispersion 5 4 Max ADI Early 118 Very Good7 Poor 64 Good Max ADI Late 139 Very Good3 Very Poor 92 Good Max LVORI Early 3 3 3 Max LVORI Late 1 4 1 Remarks...ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Mostly cloudy. Scattered showers. Lows in the lower 50s. Highs in the upper 60s. Southwest winds around 5 mph. .THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the mid 70s. Light winds. .FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. Southwest winds 5 to 10 mph. .SATURDAY...Mostly cloudy with showers likely. Lows in the upper 50s. Highs around 70. Southwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper 40s. Highs in the upper 60s. Northwest winds 5 to 10 mph. $$ --------------------------------------------------------------------------- Fire Weather Planning Forecast for Central Pennsylvania National Weather Service State College, PA 158 PM EDT Sun Apr 19 2026 .DISCUSSION... Steady rain across the Susquehanna Valley will taper off this afternoon. Much colder air will prevail into Tuesday. Gusty northwest winds will be on the increase this afternoon. Relative humidity levels will drop into the 30s this afternoon, with the potential to drop into the 20s. Some light snow is possible in the Laurel Highlands and northern mountains tonight and early Monday. Relative humidity levels will drop into the 30s again on Monday and Tuesday. Gusty winds will occur on Monday again. More showers will be possible on Wednesday into late week, with the most likely day to remain dry being Thursday. Temperatures trend warmer each day through Friday with highs getting back into the 70s to near 80F. && Warren- Including the city of Warren 158 PM EDT Sun Apr 19 2026 Tonight Mon Mon Night Tue Cloud Cover Pcldy Pcldy Mclear Pcldy Precip Type Snow Showers None None None Chance Precip (%) 50 0 0 0 Chance of Thunder (%) 0 0 0 0 Temp (24h trend) 23 (-13) 40 (-6) 20 57 RH % (24h trend) 84 (-13) 35 (-4) 82 32 20ftWnd-Val/AM(mph) NW 6 G16 Lgt/Var 20ftWnd-Rdg/PM(mph) W 6 G17 NW 7 G16 Lgt/Var S 7 G16 Precip Amount 0.04 0.00 0.00 0.00 Precip Duration 2 Precip Begin 6 PM Precip End 6 AM Mixing Hgt(ft-agl) 1200 6460 280 3770 Transport Wnd (mph) NW 15 NW 18 SW 5 SW 22 Vent Rate (kt-ft) 15600 103360 1120 71630 Dispersion 3 5 1 5 DSI 2 Sunshine Hours 7 9 Max ADI Early 85 Good 73 Good 81 Good 67 Good Max ADI Late 11 Poor 112 Very Good3 Very Poor 93 Good Max LVORI Early 4 4 3 4 Max LVORI Late 4 1 4 1 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the mid 40s. Highs in the mid 60s. Minimum RH 50 percent. Southwest winds around 5 mph. .THURSDAY...Mostly clear. Lows around 40. Highs in the lower 70s. Minimum RH 36 percent. South winds around 5 mph. .FRIDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid 70s. Minimum RH 42 percent. South winds around 5 mph. .SATURDAY...Mostly cloudy with showers likely. Lows in the lower 50s. Highs in the upper 60s. Minimum RH 60 percent. South winds around 5 mph. .SUNDAY...Mostly cloudy with a chance of showers. Lows in the lower 40s. Highs around 60. Minimum RH 58 percent. Southwest winds around 5 mph. $$ McKean- Including the city of Bradford 158 PM EDT Sun Apr 19 2026 Tonight Mon Mon Night Tue Cloud Cover Pcldy Pcldy Mclear Pcldy Precip Type Snow Showers Snow Showers None None Chance Precip (%) 50 10 0 0 Chance of Thunder (%) 0 0 0 0 Temp (24h trend) 22 (-14) 39 (-5) 19 54 RH % (24h trend) 84 (-12) 32 (-5) 82 30 20ftWnd-Val/AM(mph) NW 7 G17 Lgt/Var 20ftWnd-Rdg/PM(mph) W 6 G17 NW 8 G17 Lgt/Var SW 7 G15 Precip Amount 0.04 0.00 0.00 0.00 Precip Duration 2 1 Precip Begin 7 PM Continuing Precip End Continuing 2 PM Mixing Hgt(ft-agl) 1150 6460 350 4350 Transport Wnd (mph) NW 15 NW 18 SW 6 SW 21 Vent Rate (kt-ft) 14950 103360 1750 78300 Dispersion 4 5 1 5 DSI 2 Sunshine Hours 7 9 Max ADI Early 87 Good 68 Good 91 Good 59 Gen Good Max ADI Late 13 Gen Poor 124 Very Good4 Very Poor 104 Very Good Max LVORI Early 3 4 3 4 Max LVORI Late 4 1 4 1 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the lower 40s. Highs in the mid 60s. Minimum RH 48 percent. Southwest winds around 5 mph. .THURSDAY...Mostly clear. Lows in the upper 30s. Highs around 70. Minimum RH 34 percent. West winds around 5 mph. .FRIDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 70s. Minimum RH 41 percent. South winds around 5 mph. .SATURDAY...Mostly cloudy. Showers likely. Lows in the upper 40s. Highs in the upper 60s. Minimum RH 56 percent. South winds around 5 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower 40s. Highs in the upper 50s. Minimum RH 55 percent. Northwest winds around 5 mph. $$ Elk- Including the cities of St. Marys and Ridgway 158 PM EDT Sun Apr 19 2026 Tonight Mon Mon Night Tue Cloud Cover Pcldy Pcldy Mclear Mclear Precip Type Snow Showers None None None Chance Precip (%) 40 0 0 0 Chance of Thunder (%) 0 0 0 0 Temp (24h trend) 23 (-14) 41 (-5) 20 56 RH % (24h trend) 85 (-11) 32 (-5) 79 31 20ftWnd-Val/AM(mph) NW 7 G18 Lgt/Var 20ftWnd-Rdg/PM(mph) W 6 G19 NW 9 G18 Lgt/Var SW 7 G16 Precip Amount 0.03 0.00 0.00 0.00 Precip Duration 1 Precip Begin 7 PM Precip End 4 AM Mixing Hgt(ft-agl) 1320 6740 310 4230 Transport Wnd (mph) W 13 NW 20 SW 6 SW 20 Vent Rate (kt-ft) 14520 114580 1550 71910 Dispersion 3 5 1 5 DSI 2 Sunshine Hours 8 9 Max ADI Early 110 Very Good102 Very Good98 Good 54 Gen Good Max ADI Late 12 Poor 134 Very Good3 Very Poor 94 Good Max LVORI Early 3 3 3 4 Max LVORI Late 4 1 4 1 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the lower 40s. Highs in the mid 60s. Minimum RH 49 percent. Southwest winds around 5 mph. .THURSDAY...Partly cloudy. Lows around 40. Highs in the lower 70s. Minimum RH 35 percent. Northwest winds around 5 mph. .FRIDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid 70s. Minimum RH 41 percent. South winds around 5 mph. .SATURDAY...Mostly cloudy. Showers likely. Lows around 50. Highs in the upper 60s. Minimum RH 56 percent. Southeast winds around 5 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower 40s. Highs around 60. Minimum RH 54 percent. North winds around 5 mph. $$ --------------------------------------------------------------------------- .OUTLOOK 8 TO 14 DAYS... Temperatures below normal. Precipitation above normal. --------------------------------------------------------------------------- .END