Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall are possible in the Midwest into the Central Appalachians and the Desert Southwest early this week. Storms are also expected in parts of the northern Plains today. Fire weather and air quality concerns will persist across portions of the West. Mid-summer heat will continue across much of the CONUS this week, especially in the the south-central High Plains. Read More >

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Last Map Update: Mon, Aug 10, 2026 at 5:08:49 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Joaquin Valley, CA

National Weather Service Los Angeles, CA

Extreme Heat Warning

Gale Warning

Coastal Flood Advisory

Small Craft Advisory

Isolated thunderstorms possible Wednesday

Coastal Flood Advisory

Moisture & instability are increasing, bringing a threat for showers & thunderstorms Wednesday afternoon and evening.

A Coastal Flood Advisory remains in effect for bayshore locations along the San Francisco Bay, San Pablo Bay, and Monterey Bay. Up to 1.6 feet of inundation above ground level in low-lying areas near shorelines and tidal waterways. High tide may flood coastal trails, cut off access to some low-lying coastal areas and beaches, and bring water and waves farther up the beach than typical. Allow extra time for travel, do not drive around barricades or through water, and protect flood-prone property! #CAwx

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Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

NWS Forecast Office San Francisco, CA