Extreme Heat Warning: Cody Foothills; North Bighorn Basin; Southwest Bighorn Basin; Southeast Bighorn Basin; Northeast Johnson County; Southeast Johnson County; Jackson Hole; Upper Wind River Basin; Wind River Basin; Lander Foothills; Green Mountains and Rattlesnake Range; Natrona County Lower Elevations; Star Valley; Upper Green River Basin Foothills; Upper Green River Basin; South Lincoln County; Rock Springs and Green River; Flaming Gorge; East Sweetwater County

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Extreme Heat Warning — Cody Foothills; North Bighorn Basin; Southwest Bighorn Basin; Southeast Bighorn Basin; Northeast Johnson County; Southeast Johnson County; Jackson Hole; Upper Wind River Basin; Wind River Basin; Lander Foothills; Green Mountains and Rattlesnake Range; Natrona County Lower Elevations; Star Valley; Upper Green River Basin Foothills; Upper Green River Basin; South Lincoln County; Rock Springs and Green River; Flaming Gorge; East Sweetwater County Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with temperatures from 100 to 105 degrees below 6,000 feet and 90 to 100 degrees between 6,000 and 7,000 feet each day. * WHERE...Portions of central, north central, northwest, south central, southwest, and west central Wyoming. * WHEN...Until 9 PM MDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.