Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. 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.