Extreme Heat Warning

* WHAT...Hot conditions with high temperatures up to 100. Today is expected to be the hottest day.

* WHERE...Beartooth Foothills and Red Lodge Foothills.

* 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.