Spot Forecast
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
602 FNUS76 KOTX 192316 FWSOTX Spot Forecast for Pioneer...NPS National Weather Service Spokane WA 416 PM PDT Thu Sep 19 2024 Forecast is based on forecast start time of 0800 PDT on September 20. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Breezy northwest winds will continue for the Pioneer Fire through Friday behind a cold front passage. Dry conditions into Friday night with fair overnight relative humidity recovery. Additional weather systems over the weekend will bring increasing clouds and possibly some light rain on Sunday, but wetting rains are looking unlikely. A ridge of high pressure will build in early next week allowing temperatures to warm above normal. .FRIDAY... Sky/weather.........Sunny. CWR.................0 percent. LAL.................1. Max temperature.....1100 ft elevation: 73 near the lake. 6000 ft elevation: 50 near ridge top. Min humidity........1100 ft elevation: 19 percent. 6000 ft elevation: 37 percent. Wind (20 ft)........Northwest winds 7 to 15 mph with gusts up to 25 mph. Strongest winds on ridge tops and along Lake Chelan. For steep south to north drainages, winds locally downslope/downvalley 5 to 10 mph in the morning then upslope- upvalley 4 to 8 mph. Mixing height.......Near surface through 1000 PDT increasing to 3000 ft AGL in the afternoon. Transport winds.....Northwest 12 to 17 mph. Haines Index........4 Low. .FRIDAY NIGHT... Sky/weather.........Clear. CWR.................0 percent. LAL.................1. Min temperature.....1100 ft elevation: 45 near the lake. 6000 ft elevation: 35 near ridge top. Max humidity........54-68 percent. Highest recoveries ridge tops. Wind (20 ft)........Northwest winds 5 to 7 mph on ridge tops. Downslope/Downvalley 4 to 6 mph mid slopes to valleys, except northwest along Lake Chelan. Mixing height.......Near the surface. Transport winds.....Downslope/Downvalley 6 to 8 mph. Haines Index........4 Low. .SATURDAY... Sky/weather.........Mostly sunny. High cirrus clouds in the afternoon. CWR.................0 percent. LAL.................1. Max temperature.....1100 ft elevation: 79 near the lake. 6000 ft elevation: 57 near ridge top. Min humidity........1100 ft elevation: 17 percent. 6000 ft elevation: 33 percent. Wind (20 ft)........Upslope/Upvalley winds 4 to 8 mph by 1000 PDT. Winds becoming west-northwest along Lake Chelan after 1500 PDT. Mixing height.......Increasing to 3500 ft AGL in the afternoon. Transport winds.....Northwest 5 to 9 mph. Haines Index........3 Very Low. .SATURDAY NIGHT... Sky/weather.........Mostly clear in the evening. Clouds increasing early Sunday morning. CWR.................0 percent. LAL.................1. Min temperature.....1100 ft elevation: 51 near the lake. 6000 ft elevation: 39 near ridge top. Max humidity........57-72 percent. Highest recoveries ridge tops. Wind (20 ft)........Downslope/Downvalley winds 3 to 6 mph. Mixing height.......Near the surface. Transport winds.....Downslope/Downvalley 3 to 6 mph. Haines Index........4 Low. $$ Forecaster...SVH Requested by...Geoff Hibbs Type of request...WILDFIRE .TAG 2422366.7/OTX .DELDT 09/19/24 .FormatterVersion 2.0.0 .EMAIL geoff_hibbs@nps.gov,sofia_ecker@nps.gov,zachary_w_allen@nps.gov,anna_valentine@nps.gov,teague_walsh-felz@nps.gov