National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. Read More >

A series of disturbances will move through the Northern and Central Plains the next few days, bringing showers and thunderstorms. Some of the thunderstorms may be severe this afternoon and evening across northeastern Wyoming and far southwestern South Dakota, with large hail and strong winds. Temperatures will be below average, with highs generally in the 70s today, with 60s to 70s through Wednesday, coolest Sunday.
Severe storms are possible this afternoon and evening. These storms may produce large hail and strong winds across portions of northeastern Wyoming and far southwestern South Dakota. Stay aware of changing conditions and have a plan ready if severe weather develops.