National Weather Service United States Department of Commerce

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Aug 12, 2026 at 1:42:17 am PDT

A Fire Weather Watch is in effect for Sierra locations above 3000 feet from 5 am to 9 pm Thursday due to thunderstorm chances and dry fuels.
A pattern change this week brings thunderstorm chances to interior NorCal through the end of the week.
Probabilities of mountain thunderstorms begin to increase today as monsoonal moisture pushes into the region.
Seasonable temperatures today trend below normal through the end of the week and into next week.
With thunderstorm chances through the week, follow these safety tips and stay weather aware!

 

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