FNUS76 KOTX 081343 FWSOTX Spot Forecast for Wildfire Hwy 2 & 17...Grant county emergency management National Weather Service Spokane WA 643 AM PDT Wed Jul 8 2026 Forecast is based on forecast start time of 0700 PDT on July 08. ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 10 PM PDT THIS EVENING... .DISCUSSION... Critical fire weather conditions are expected today due to low relative humidities and gusty winds. Winds will be from the northwest this morning before shifting to the west with a cold front passage around 1100-1200 hours. Winds will increase through the afternoon, peaking between 1800-2000 hours before shifting back to the northwest and gradually decreasing overnight. Relative humidity values will bottom out in the 15 to 20 percent range this afternoon. Breezy winds and dry conditions will continue on Thursday. 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.........Sunny. CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....91. Min humidity........15-20 percent. Wind (20 ft)........Northwest winds 7 to 9 mph through 1200 hours, then shifting to the west 10 to 17 mph with gusts to around 26 mph in the afternoon. Mixing height.......Inversion breaking around 0900 hours with mixing height of 4500 ft AGL at 1000 hours. Mixing height as high as 8000 ft AGL in the afternoon. Transport winds.....Northwest 13 to 20 mph shifting to the west 10 to 18 mph late in the morning. Ventilation Index...Moderate (491) increasing to very high (1085) in the afternoon. TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM Sky (%).........8 8 4 4 4 26 26 26 13 13 13 14 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of ltng (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............69 72 74 80 83 84 87 89 89 91 89 88 RH..............39 35 31 28 25 24 23 21 19 17 16 18 20 FT wind dir..NW NW NW NW NW W W W W W W W 20 FT wind spd..7 8 9 9 8 8 9 15 15 15 17 17 20 FT wind gust.11 14 14 14 14 14 14 22 22 22 26 26 Mix hgt (kft)...1.0 1.5 2.5 4.0 5.5 7.0 7.5 8.0 8.0 7.5 7.0 5.5 Transp wind dir.NW NW NW NW W W W W W W W W Transp wind spd.17 20 15 13 10 12 13 14 15 16 18 18 .TONIGHT... Sky/weather.........Mostly clear. CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....60. Max humidity........40-45 percent. Wind (20 ft)........West winds 14 to 17 mph with gusts to around 26 mph through 1900 hours, shifting to the northwest 11 to 16 mph with gusts to around 22 mph. Winds decreasing to northwest 7 to 11 mph around 0400 hours. Mixing height.......5500 ft AGL decreasing to near the surface around 2100 hours. Transport winds.....Northwest 13 to 21 mph. Ventilation Index...Very high (922) decreasing to low (70) overnight. $$ Forecaster...VT Requested by...Jessica olsen Type of request...WILDFIRE .TAG 2616983.0/OTX .DELDT 07/08/26 .FormatterVersion 2.0.0 .EMAIL jrolsen@grantcountywa.gov