553 FNUS76 KOTX 251217 FWSOTX Spot Forecast for North Siwash...USFS National Weather Service Spokane WA 517 AM PDT Thu Sep 25 2025 Forecast is based on forecast start time of 0600 PDT on September 25. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... ...GUSTY WINDS THURSDAY AHEAD OF COLD FRONT PASSAGE... Southwest winds will be gusty this afternoon and evening ahead of a cold front. Winds will decrease some overnight but will remain gusty into Friday. Friday will be cooler with increased relative humidity behind the front. The next chance for rain arrives Monday at 40 percent, increasing to 70 percent on Tuesday. .TODAY... Sky/weather.........Mostly sunny. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....Around 71. Min humidity........20 percent. Wind (20 ft)........Southwest 6 to 12 mph in the morning increasing to 10 to 16 mph with gusts up to 25 mph in the afternoon. Mixing height.......Near surface through 0900 increasing to 5000 ft AGL in the afternoon. Transport winds.....Southwest 7 to 15 mph becoming west around 20 mph in the afternoon. .THURSDAY NIGHT... Sky/weather.........Mostly clear. Patchy smoke. CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....Around 44. Max humidity........54 percent. Wind (20 ft)........Southwest winds 7 to 15 mph with gusts up to 25 mph in the evening decreasing to 5 to 10 mph overnight. Mixing height.......Near surface. Transport winds.....West 10 to 17 mph decreasing to 7 to 12 mph overnight. .FRIDAY... Sky/weather.........Mostly sunny. Patchy smoke in the morning. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....Around 57. Min humidity........31 percent. Wind (20 ft)........Southwest winds 4 to 7 mph in the morning increasing to 6 to 10 mph with gusts to 15 mph in the afternoon. Mixing height.......Near surface through 0900 increasing to 5000 ft AGL in the afternoon. Transport winds.....West 10 to 15 mph. $$ Forecaster...JW Requested by...Grant Mersinger Type of request...WILDFIRE .TAG 2522433.1/OTX .DELDT 09/25/25 .FormatterVersion 2.0.0 .EMAIL megan.primmer@usda.gov,marshall.myhre@usda.gov,Grant.mersinger@usda.gov