National Weather Service United States Department of Commerce

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Rip Current Risk Definitions

Low Risk Surf zone conditions are not expected to support the development of life threatening rip currents. However, life threatening rip currents often occur in the vicinity of groins, jetties, reefs, and piers.
Moderate Risk Surf zone conditions are favorable for the development of life threatening rip currents.
High Risk Surf zone conditions will likely support the development of life threatening rip currents.

Lightning Risk Definitions

Low Risk Thunderstorms are only expected to be isolated or widely scattered in coverage (20 Percent Chance). Atmospheric conditions do not support frequent cloud-to-ground lightning strikes.
Moderate Risk Thunderstorms are forecast to be scattered in coverage (30-50 Percent Chance). Atmospheric conditions support frequent cloud-to-ground lightning strikes.
High Risk Thunderstorms are forecast to be numerous or widespread in coverage (60-100 Percent Chance). Atmospheric conditions support continuous and intense cloud-to-ground lightning strikes.

Waterspout Risk Definitions

None

No threat of waterspouts
Low Risk Showers or thunderstorms are possible, but conditions are not particularly favorable for waterspout development.
Moderate Risk Showers or thunderstorms are possible, and conditions could support the development of waterspouts. Mariners and beach-goers should keep an eye on the weather.
High Risk Showers or thunderstorms are possible, and conditions are supportive of waterspout development. Mariners and beach-goers should keep a close eye on the weather. Listen for possible statements or warnings.