Extreme Heat Watch

* WHAT...Dangerously hot conditions with moderate to high confidence in daytime temperatures over 100. Overnight minimum temperatures are unlikely to fall below the mid 70s limiting daily recovery.

* WHERE...The Wasatch Front.

* WHEN...From Saturday afternoon through Monday evening.

* IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* ADDITIONAL DETAILS...Confidence in HeatRisk reaching Major impact levels is high through the weekend for the Wasatch Front, with lower probabilities of some areas approaching Extreme HeatRisk Sunday or Monday.