--------------------------------------------------------------------------- FWF Combo Report generated using the latest Fire Weather Forecasts issued by PBZ/CTP at *** 12:28pm *** on Tuesday May 19, 2026. --------------------------------------------------------------------------- Fire Weather Planning Forecast National Weather Service Pittsburgh PA 1228 PM EDT Tue May 19 2026 Forest- Including the city of Tionesta 1228 PM EDT Tue May 19 2026 Tonight Wed Wed Night Thu Cloud Cover Pcldy Mcldy Mcldy Pcldy Precip Type Tstms Tstms None None Chance Precip (%) 60 40 0 0 Chance of Thunder (%) 30 20 0 0 Temp (24h trend) 58 (-8) 69 (-15) 41 69 RH % (24h trend) 91 (+4) 50 (0) 77 32 Wind 20ft/early(mph) SW 6 G19 Lgt/Var N 5 Lgt/Var Wind 20ft/late(mph) Lgt/Var NW 6 Lgt/Var Lgt/Var Precip Amount 0.08 0.01 0.00 0.00 Precip Duration 3 2 Precip Begin 6 PM Continuing Precip End Continuing 3 PM Mixing Hgt(m-agl/msl) 700 1370 Mixing Hgt(ft-agl/msl) 2280 4500 Transport Wnd (mph) N 14 E 13 Vent Rate (kt-ft) 27360 49500 Category Day 3 4 Inversion 8pm 65F/8am 9pm 44F/7am Dispersion 3 4 Max ADI Early 18 Gen Poor 25 Fair 9 Poor 51 Gen Good Max ADI Late 8 Poor 38 Fair 8 Poor 70 Good Max LVORI Early 3 4 3 4 Max LVORI Late 4 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 mid 50s. Highs in the lower 70s. Southeast winds 15 to 20 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 a chance of showers. Lows in the upper 50s. Highs in the upper 70s. Northwest winds around 5 mph. .TUESDAY...Mostly cloudy with a chance of showers. Lows around 60. Highs in the lower 80s. Southeast winds around 5 mph. $$ --------------------------------------------------------------------------- Fire Weather Planning Forecast for Central Pennsylvania National Weather Service State College, PA 238 AM EDT Tue May 19 2026 .DISCUSSION... Very warm today with a mix of clouds and sun. High temperatures this afternoon will challenge daily records for mid/late May. Widely scattered thunderstorms are possible during the afternoon and evening. The best rain signal is across the NW Alleghenies tonight into early Wednesday. A cold front will bring more numerous showers and thunderstorms on Wednesday. A noticeable cooldown is expected Thursday into Memorial Day weekend along with periods of rain. && Warren- Including the city of Warren 238 AM EDT Tue May 19 2026 Today Tonight Wed Cloud Cover Mcldy Mcldy Mcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 50 70 60 Chance of Thunder (%) 50 50 50 Temp (24h trend) 87 (0) 56 (-7) 67 RH % (24h trend) 44 (+6) 93 (+5) 48 20ftWnd-Val/AM(mph) SW 5 G19 NW 5 G13 20ftWnd-Rdg/PM(mph) SW 8 G21 SW 6 G18 NW 6 G13 Precip Amount 0.02 0.22 0.03 Precip Duration 2 7 2 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing 2 PM Mixing Hgt(ft-agl) 4650 640 2820 Transport Wnd (mph) SW 23 SW 13 N 15 Vent Rate (kt-ft) 93000 7040 36660 Dispersion 5 3 5 DSI 2 1 Sunshine Hours 4 5 Max ADI Early 74 Good 25 Fair 23 Fair Max ADI Late 111 Very Good9 Poor 52 Gen Good Max LVORI Early 5 3 5 Max LVORI Late 1 4 2 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid 60s. Minimum RH 38 percent. Northeast winds around 5 mph. .FRIDAY...Mostly cloudy. A chance of showers. Lows in the mid 40s. Highs in the mid 60s. Minimum RH 54 percent. East winds around 5 mph. .SATURDAY...Showers and a chance of thunderstorms. Lows in the upper 40s. Highs in the mid 60s. Minimum RH 82 percent. Southeast winds around 10 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. Minimum RH 69 percent. South winds around 5 mph. .MONDAY...Mostly cloudy. A chance of showers. Lows in the mid 50s. Highs in the upper 70s. Minimum RH 59 percent. Light winds. $$ McKean- Including the city of Bradford 238 AM EDT Tue May 19 2026 Today Tonight Wed Cloud Cover Pcldy Mcldy Mcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 40 50 50 Chance of Thunder (%) 40 50 20 Temp (24h trend) 86 (0) 58 (-6) 70 RH % (24h trend) 42 (+5) 92 (+12) 45 20ftWnd-Val/AM(mph) SW 6 G20 W 5 G14 20ftWnd-Rdg/PM(mph) SW 9 G21 SW 6 G19 NW 6 G14 Precip Amount 0.01 0.08 0.02 Precip Duration 2 3 2 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing 2 PM Mixing Hgt(ft-agl) 4830 650 2810 Transport Wnd (mph) W 24 SW 14 NW 16 Vent Rate (kt-ft) 101430 7800 39340 Dispersion 5 3 5 DSI 2 1 Sunshine Hours 5 5 Max ADI Early 76 Good 26 Fair 25 Fair Max ADI Late 99 Good 11 Poor 55 Gen Good Max LVORI Early 4 3 4 Max LVORI Late 1 4 2 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Lows around 40. Highs in the lower 60s. Minimum RH 36 percent. North winds around 5 mph. .FRIDAY...Mostly cloudy. A chance of showers. Lows in the lower 40s. Highs in the lower 60s. Minimum RH 53 percent. East winds around 5 mph. .SATURDAY...Showers. Lows in the mid 40s. Highs around 60. Minimum RH 78 percent. Southeast winds around 10 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows around 50. Highs around 70. Minimum RH 68 percent. Southeast winds around 5 mph. .MONDAY...Mostly cloudy. A chance of showers. Lows in the lower 50s. Highs in the mid 70s. Minimum RH 58 percent. South winds around 5 mph. $$ Elk- Including the cities of St. Marys and Ridgway 238 AM EDT Tue May 19 2026 Today Tonight Wed Cloud Cover Pcldy Pcldy Mcldy Precip Type Tstms Tstms Tstms Chance Precip (%) 30 40 60 Chance of Thunder (%) 30 40 50 Temp (24h trend) 86 (0) 61 (-2) 73 RH % (24h trend) 44 (+3) 90 (+7) 49 20ftWnd-Val/AM(mph) SW 5 G20 W 6 G16 20ftWnd-Rdg/PM(mph) SW 9 G22 SW 5 G19 NW 6 G15 Precip Amount 0.00 0.02 0.08 Precip Duration 2 2 3 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing 6 PM Mixing Hgt(ft-agl) 4910 570 2810 Transport Wnd (mph) SW 23 SW 13 NW 16 Vent Rate (kt-ft) 98200 6270 39340 Dispersion 5 3 5 DSI 2 1 Sunshine Hours 5 5 Max ADI Early 81 Good 25 Fair 35 Fair Max ADI Late 100 Good 9 Poor 51 Gen Good Max LVORI Early 4 3 4 Max LVORI Late 1 4 3 Remarks: ADI is Atmospheric Dispersion Index by Lavdas. LVORI is Low Visibility Occurrence Risk Index. .FORECAST FOR DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid 60s. Minimum RH 37 percent. North winds around 5 mph. .FRIDAY...Mostly cloudy. Showers likely. Lows in the mid 40s. Highs in the lower 60s. Minimum RH 60 percent. East winds 5 to 10 mph. .SATURDAY...Showers. Lows in the upper 40s. Highs in the lower 60s. Minimum RH 81 percent. Southeast winds around 10 mph. .SUNDAY...Mostly cloudy with showers likely and a chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. Minimum RH 70 percent. Southeast winds around 5 mph. .MONDAY...Mostly cloudy. A chance of showers. Lows in the mid 50s. Highs in the mid 70s. Minimum RH 60 percent. East winds around 5 mph. $$ --------------------------------------------------------------------------- .OUTLOOK 8 TO 14 DAYS... Temperatures above normal. Precipitation below normal. --------------------------------------------------------------------------- .END