URGENT - FIRE WEATHER MESSAGE National Weather Service Riverton WY 1045 AM MDT Sat Sep 5 2020 Lincoln and Uinta Counties/Lower Elevations- Upper Green River Basin/Rock Springs BLM- Sweetwater County/Rock Springs BLM/Flaming Gorge NRA- East Wind River Mountains/South Shoshone NF- Granite/Green/Ferris/Rattlesnake Mountains- Salt and Wyoming Ranges/West Zone Bridger Teton NF- North Zone Bridger Teton NF and Grand Teton NP- West Wind River Mountains/East Zone Bridger Teton NF- 1045 AM MDT Sat Sep 5 2020 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT SUNDAY... * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds will create erratic fire behavior with any new fire starts. * AFFECTED AREA: In Central WY Fire Zones...288...289. In Northwest WY Fire Zone....415. In Southwest WY Fire Zones...277...279. In West Central WY Fire Zones...278...414...416. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Park. In Southwest WY...Sweetwater...Teton...Uinta. In West Central WY...Lincoln...Sublette. * WIND: West 15 to 25 mph with gusts up to 40 mph. * HUMIDITY: As low as 7 percent. * HAINES INDEX: Today, a 6 or high potential for large plume dominated fire growth. * TEMPERATURES: Highs around 90 in the lower elevations. 75 to 85 in the mountains. Slightly cooler temperatures on Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.