Spot Forecast
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
837 FNUS76 KOTX 182358 FWSOTX Spot Forecast for Pioneer...NPS National Weather Service Spokane WA 458 PM PDT Wed Sep 18 2024 Forecast is based on forecast start time of 0700 PDT on September 19. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Dry weather is forecast through Saturday. A weather system passing into British Columbia will bring enhanced northwest winds to the Pioneer Fire Thursday and Thursday Night with wind gusts as high as 35 MPH out of the northwest. Winds will remain breezy on Friday with gusts up to 25 MPH with lighter winds on Saturday. On Sunday a weather system will bring a chance of rain, with the chance of wetting rain still at 30 percent mainly for portions of the fire closer to the Cascade crest. .THURSDAY... Sky/weather.........Sunny. CWR.................0 percent. LAL.................1. Max temperature.....1100 ft elevation: 78 near the lake. 6000 ft elevation: 55 near ridge top. Min humidity........1100 ft elevation: 27 percent. 6000 ft elevation: 44 percent. Wind (20 ft)........Northwest 3 to 7 mph in the morning increasing to 7 to 14 mph with gusts up to 30 mph in the afternoon. Strongest winds on ridge tops and along Lake Chelan. For steep south to north drainages winds locally downslope/downvalley 4 to 8 mph then upslope/upvalley by 1100. Mixing height.......Near the surface through 0900 PDT increasing to 3500 ft AGL in the afternoon. Transport winds.....Northwest 5 to 10 mph in the morning increasing to 15 to 20 mph in the afternoon. Haines Index........4 Low. .THURSDAY NIGHT... Sky/weather.........Partly cloudy. CWR.................0 percent. LAL.................1. Min temperature.....1100 ft elevation: 54 near the lake. 6000 ft elevation: 38 near ridge top. Max humidity........60-80 percent, highest recoveries ridge tops. Wind (20 ft)........Northwest 7 to 15 mph with gusts up to 35 MPH. Strongest winds on ridge tops and along Lake Chelan. Mixing height.......Near the surface. Transport winds.....Northwest 10 to 20 mph. Haines Index........4 Low. .FRIDAY... Sky/weather.........Mostly sunny. CWR.................0 percent. LAL.................1. Max temperature.....1100 ft elevation: 72 near the lake. 6000 ft elevation: 49 near ridge top. Min humidity........1100 ft elevation: 30 percent. 6000 ft elevation: 50 percent. Wind (20 ft)........Northwest winds 6 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 0800 PDT increasing to 3000 ft AGL in the afternoon. Transport winds.....Northwest 10 to 15 mph. Haines Index........4 Low. .FRIDAY NIGHT... Sky/weather.........Mostly clear. CWR.................0 percent. LAL.................1. Min temperature.....1100 ft elevation: 47 near the lake. 6000 ft elevation: 33 near ridge top. Max humidity........60-77 percent, highest recoveries ridge tops. Wind (20 ft)........Downslope/downvalley 4 to 9 mph. Mixing height.......Near the surface. Transport winds.....Downslope/downvalley 5 to 10 mph. Haines Index........4 Low. $$ Forecaster...JW Requested by...Anna Valentine Type of request...WILDFIRE .TAG 2422366.6/OTX .DELDT 09/18/24 .FormatterVersion 2.0.0 .EMAIL geoff_hibbs@nps.gov.,anna_valentine@nps.gov