National Weather Service United States Department of Commerce

Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >

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Last Map Update: Thu, Jul 30, 2026 at 11:58:14 pm PDT

Planning a trip to the coast over the next few days? Take extra precautions near the water! A long-period southerly swell, generated by distant tropical cyclones in the Eastern Pacific, is pushing toward our coastline. This swell will bring elevated surf and hazardous ocean conditions through mid-week. Here is what you need to know: What: Increased risk of sneaker waves and strong rip currents, with breaking waves up to 10 feet expected at south and southwest-facing beaches and breakpoints. Where: Pacific Coast beaches across the San Francisco Bay Area and Central Coast. When: Now active through Saturday Afternoon Beach Safety Tips: 🪨 Stay Off Infrastructure: Keep off rock outcrops, jetties, piers, and breakwaters—sudden large waves can easily knock you off your feet. 🏊 Avoid Hazardous Surf: Remain out of the water. 👁️ Stay Alert: Never turn your back on the ocean! Always keep a close watch on children and pets near the water's edge.
Above normal temperatures are forecast this weekend with Sunday being the hottest day in the forecast period. Coastal cities remain cool compared to inland regions. A gradual cooldown begins on Tuesday. Make sure to stay hydrated, take breaks in the shade, and never leave children or pets in unattended vehicles! If going to the beach, never turn your back to the ocean!

 

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