541 FNUS76 KOTX 042234 FWSOTX Spot Forecast for Hwy 20 Fire...NEWICC National Weather Service Spokane WA 334 PM PDT Thu Jun 4 2026 Forecast is based on forecast start time of 1600 PDT on June 04. .DISCUSSION... Southwest winds will persist into tonight with gusts up to 18 mph through the evening, except for a brief shift to a west wind from 1900-2200. Afternoon relative humidity near 20 percent will recover to around 65 percent overnight tonight. If conditions become unrepresentative, contact the National Weather Service. *************************************************************** Forecasts for 20 foot wind speeds (valleys and ridge tops) are 10 minute averages reflecting RAWS wind. ***Ventilation Index is derived from transport wind multiplied by the mixing height divided by 100. Categories: low (< 200), moderate (200-500), high (500-800), and very high (> 800). *************************************************************** .REST OF TODAY... Sky/weather.........Mostly sunny. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....Around 79. Min humidity........20 percent. Wind (20 ft)........Southwest winds 6 to 12 mph with gusts up to 18 mph. Mixing height.......7500 ft AGL. Transport winds.....Southwest around 15 mph. Ventilation Index...Very high (1054). .TONIGHT... Sky/weather.........Partly cloudy. CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....Around 50. Max humidity........65 percent. Wind (20 ft)........Southwest winds 5 to 12 mph with gusts up to 18 mph through 1900 then shifting to west 4 to 8 mph from 1900-2200, then southwest 5 to 10 mph after 2200. Mixing height.......6500 ft AGL falling to near surface around 2000 PDT. Transport winds.....Southwest 6 to 12 mph. Ventilation Index...Very high (955) decreasing to low (70) near 2000. $$ Forecaster...JW Requested by...Carli Brooks Type of request...WILDFIRE .TAG 2614988.0/OTX .DELDT 06/04/26 .FormatterVersion 2.0.0 .EMAIL wanec@firenet.gov