National Weather Service United States Department of Commerce

Extreme Heat and Excessive Rainfall This Week

A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. In southwest Texas, excessive rainfall may bring a risk for potentially life-threatening flash and arroyo flooding through Thursday. Read More >

Graphical HWO - Activation Necessity

This graphic specifies whether activation of storm spotters and emergency management personnel will be necessary during the period. It is designed to match the last statement in the standard text hazardous weather outlook product.

Activation Necessity
Click the graphic to return to the graphical HWO page.

 
Activation of storm spotters and EMA's is...
...not anticipated.
...possible.
...likely.
...requested or ongoing.