Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

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Last Map Update: Sun, Aug 9, 2026 at 10:54:32 pm PDT

Watches, Warnings & Advisories

National Weather Service San Francisco Bay Area, CA

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National Weather Service Los Angeles, CA

Extreme Heat Warning

Heat Advisory

Coastal Flood Advisory

Dangerous Heat Continues through Monday

Dangerous Desert Heat Continues through Monday

Elevated Fire Danger Through Monday

UPDATED Saturday, August 8th, 2026: An Extreme Heat Warning is now in effect and runs until 8 PM PDT Monday. Dangerous Heat will continue in the San Joaquin Valley, west side hills, lower Sierra Nevada foothills, Lake Isabella, and the Kern River Valley until Monday. Widespread triple digit heat will persist in these areas with overnight lows in the mid 70s to near 80 at the hottest locations.

Updated Saturday, August 8, 2026 - The Extreme Heat Warning is now in effect for the Indian Wells Valley, the Mojave Desert and Mojave Desert Slopes in eastern Kern County through 8 PM Monday. Afternoon highs up to 112 degrees are expected, and morning lows in the mid 70s to lower 80s will provide little relief. Stay hydrated, use air conditioning and remain in cool places during the day, and avoid outdoor activities during the warmest parts of the day.

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Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

NWS Forecast Office Hanford, CA