National Weather Service United States Department of Commerce

Severe Thunderstorms, Excessive Rain and Heat Hazards

A Moderate Risk of severe thunderstorms (level 4 of 5) is in the outlook across portions of the Midwest today. Damaging winds, a few tornadoes and frequent lightning with heavy rainfall are in the forecast. Meanwhile, dangerous heat across the southern Plains into the Great Lakes, mid-Atlantic and Northeast will expand into Friday. Risk for wildfires for the central Rockies and Sacramento Valley. Read More >

Storms are already redeveloping along a cold front in central Iowa late this morning. As these storms intensify and move eastward, all severe hazards will be possible, especially with discrete and embedded supercells. Have multiple ways to receive warnings and know where to shelter as storms approach!
Heads up for an active afternoon of weather! Numerous severe storms are expected, with swaths of damaging winds probable and also potential tornadoes. Some of this severe weather could be significant, especially along and east of the Mississippi River. Be sure to stay tuned to the forecast for updates!
Here's a more detailed look at the anticipated timing of storms today, which will likely produce some severe weather across parts of the area. Stay weather aware!
More rounds of heavy rain could lead to flash flooding of creeks, streams, urban and low lying areas today, with the greatest risk this morning through early afternoon. Recent heavy rain has led to rises and some flooding on tributary rivers with additional rises on rivers possible. If you live near a flood prone area, please stay weather aware!
These are some good safety tips and reminders as another day of severe weather is likely across parts of the area.