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 >

- Map displaying storm reports. Click the image to view an interactive map of the reports.

- Visible Satellite loop during the afternoon hours of July 1, 2012

- Chronological sequence of radar images of a severe thunderstorm over northeastern Chesterfield County, SC around 2:30 pm. Note how the core of higher reflectivity values (60+ dbz are white) grows to over 40,000 ft by frame 4 and then descends to the surface in image 5.