National Weather Service United States Department of Commerce

Heavy Rainfall and Flash Flood Threats Shift From Southern Plains to Lower Mississippi Valley; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will shift from the southern Plains into the Lower Mississippi Valley. Elevated to Critical Fire weather threats will linger through the weekend across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina this weekend. 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.