National Weather Service United States Department of Commerce

Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Very hot and humid conditions are expected through at least mid-week, with afternoon heat indices between 100-110 degrees. Chance of storms increase late in the week that could bring relief from the heat leading into the 4th of July.
Dangerous heat is expected with heat indices between 100 and 110 degrees through at least Wednesday. An extreme heat warning is in effect for the entire area.
Know the difference between heat exhaustion vs heat stroke.
Heat safety tips