National Weather Service United States Department of Commerce

Severe Weather Expected for Portions of the Midwest; Excessive Heat for the Central and Eastern U.S.

Severe storms capable of producing severe winds, large hail, tornadoes and heavy rainfall are expected through this evening across portions of the Midwest. A Moderate Risk (level 4 of 5) of Severe Storms and Excessive Rainfall is in effect. Excessive heat will continue to impact the Central and Eastern U.S. this week. Read More >

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Last Map Update: Mon, Jul 15, 2024 at 7:50:20 pm PDT

This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries.
A few thunderstorms are possible in the Sierra Nevada, mostly to the north of Tulare County. In addition to dangerous cloud to ground lightning strikes, any thunderstorm could produce small hail, gusty and erratic winds, and intense rainfall rates, leading to localized flooding.
Warm air temperatures do not mean warm water temperatures. Cold water can very quickly remove heat from the body and lead to a loss of movement in the limbs. When heading into rivers and streams, always take precautions such as wearing a life vest, bringing a life preserver with you, and following all river/stream closures.

 

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