Dangerous Heat in the Central and Southern U.S.; Thunderstorms and Heavy Rain in the Northern Plains

Dangerous, prolonged heat is expected across portions of the Central and Southeast U.S. through July. Scattered severe thunderstorms are expected over parts of the northern Plains into the upper Mississippi Valley Tuesday, with damaging winds and large hail as the primary threats. Heavy rainfall could lead to areas of flooding across the northern Plains, Upper Midwest, Southeast and Southwest. Read More >

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Last Map Update: Mon, Jul 21, 2025 at 11:06:32 pm PDT

Watches, Warnings & Advisories

National Weather Service San Francisco Bay Area, CA

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National Weather Service Los Angeles, CA

Small Craft Advisory

The Chance of reaching 90 degrees this Week

Always be Weather-Ready for the Outdoors

Cooler for Much of Next Week

The chance of having San Joaquin Valley high temperatures reaching 90 degrees will drop during the week as we experience a cool down. A disturbance moving through the Pacific Northwest allowed cooler marine air into the region as the probability of reaching 90 degrees falls below 90 percent, at time, this week.

The Great Outdoors are wondrous, awe inspiring, and both physically and mentally beneficial to experience. However, the Great Outdoors bring with them various weather and environmental hazards that can ruin your adventure and even be very dangerous. It is important to know your risks, take action to prepare and minimize those risks, and serve as an example for others to emulate. Here are some fundamental actions you can take and safety content you can share with family, friends, and across social media.

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Dangerous Heat in the Central and Southern U.S.; Thunderstorms and Heavy Rain in the Northern Plains

NWS Forecast Office Hanford, CA