Heat Advisory: Musselshell; Treasure; Northern Stillwater; Golden Valley; Red Lodge Foothills; Northern Big Horn; Beartooth Foothills; Southern Big Horn; Southeastern Carbon; Bighorn Canyon; Northern Carbon; Northeastern Yellowstone; Southwestern Yellowstone; Sheridan Foothills

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Heat Advisory — Musselshell; Treasure; Northern Stillwater; Golden Valley; Red Lodge Foothills; Northern Big Horn; Beartooth Foothills; Southern Big Horn; Southeastern Carbon; Bighorn Canyon; Northern Carbon; Northeastern Yellowstone; Southwestern Yellowstone; Sheridan Foothills Severity: Moderate. Certainty: Likely. * WHAT...Temperatures of 95 to 100 degrees expected. * WHERE...Portions of central and south central Montana and north central Wyoming. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Hot daytime temperatures combined with warm overnight low temperatures will produce cumulative heat stress. This heat stress will become dangerous to anyone without adequate cooling and hydration.