WWUS85 KRIW 200802 RFWRIW URGENT - FIRE WEATHER MESSAGE National Weather Service Riverton WY 202 AM MDT Fri Mar 20 2026 WYZ277>279-210000- /O.CAN.KRIW.FW.W.0004.000000T0000Z-260322T0300Z/ /O.NEW.KRIW.FW.W.0005.260321T0000Z-260322T0300Z/ Lincoln and Uinta Counties/Lower Elevations- Upper Green River Basin/Rock Springs BLM- Sweetwater County/Rock Springs BLM/Flaming Gorge NRA- 202 AM MDT Fri Mar 20 2026 ...RED FLAG WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 PM MDT SATURDAY... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 6 PM this evening to 9 PM MDT Saturday. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Southwest WY Fire Zones...277...279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Southwest WY...Sweetwater...Uinta. In West Central WY...Lincoln...Sublette. * WIND: West 10 to 20 mph with gusts up to 25 to 30 mph Friday; 20 to 30 mph with gusts to 40 to 45 mph Saturday. * HUMIDITY: 8 to 13 percent. * TEMPERATURES: Highs in the 70s. 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. && $$ WYZ276-282-283-287-210000- /O.CAN.KRIW.FW.W.0004.000000T0000Z-260322T0300Z/ /O.NEW.KRIW.FW.W.0005.260321T0000Z-260322T0300Z/ Cody Foothills-South Bighorn Basin/Worland BLM- Upper Wind River Basin/Wind River Basin-Owl Creek Mountains- 202 AM MDT Fri Mar 20 2026 ...RED FLAG WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 PM MDT SATURDAY... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 6 PM this evening to 9 PM MDT Saturday. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zone....283. In North Central WY Fire Zones...276...282...287. * COUNTIES AFFECTED: In Central WY...Fremont. In North Central WY...Hot Springs...Park...Washakie. * WIND: West to southwest 10 to 20 mph with gusts to 25 to 30 mph Friday; west 20 to 30 mph with gusts to 45 mph Saturday. * HUMIDITY: 9 to 14 percent. * TEMPERATURES: Highs in the upper 70s to middle 80s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ WYZ280-281-289-210000- /O.CAN.KRIW.FW.W.0004.000000T0000Z-260322T0300Z/ /O.NEW.KRIW.FW.W.0005.260321T0000Z-260322T0300Z/ Natrona County/Casper BLM-Johnson County/Casper BLM- Granite/Green/Ferris/Rattlesnake Mountains- 202 AM MDT Fri Mar 20 2026 ...RED FLAG WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 PM MDT SATURDAY... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 6 PM this evening to 9 PM MDT Saturday. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...280...289. In North Central WY Fire Zone....281. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Johnson. In Southwest WY...Sweetwater. * WIND: Southwest 15 to 25 mph with gusts up to 35 mph Friday; west to southwest 20 to 30 mph with gusts to 45 mph Saturday. * HUMIDITY: 9 to 14 percent. * TEMPERATURES: Highs in the mid 70s to lower 80s. 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. && $$ http://weather.gov/riverton