National Weather Service United States Department of Commerce

Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

An arctic airmass will remain over eastern Utah and western Colorado through today (Halloween), resulting in abnormally cold temperatures. Daytime highs today will be 15 to 25 degrees below normal across the board under mostly sunny skies and dry northwest flow aloft. Be sure to bundle up during prime trick-or-treating hours this evening as temperatures drop into the mid to upper 20s and lower 30s across the southern and central valleys and into the upper teens further north between 6 and 9 PM. Another round of record cold low temperatures will occur tonight/Friday morning.

Temperatures will warm up Friday onwards.

 

Forecast High Temperatures Today

Forecast Low Temperatures Tonight/Friday Morning

Dressing for Cold Weather