Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

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Last Map Update: Mon, Aug 3, 2026 at 4:20:47 am 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

Extreme Heat Watch

Dangerous Heat

Dangerous Desert Heat

Elevated Fire Danger through This Week

Heat Risk Today & Tomorrow

UPDATED Monday, August 3rd, 2026: The Heat Advisory is now in effect until 8 PM PDT Wednesday. Dangerous Heat will continue in the San Joaquin Valley, west side hills, lower Sierra Nevada foothills, Lake Isabella, and the Kern River Valley until at least Wednesday. Widespread triple digit heat will persist in these areas with overnight lows in the 70s at the hottest locations.

Monday, August 3, 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 Wednesday. 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.

A Moderate Risk for Elevated Fire Danger will persist across much of Central California through at least midweek with the combination of seasonably dry vegetation and very low humidity. Most areas will see winds less than 15 mph, but a few locations will see gusts from 15-25 mph.

Monday, August 3, 2026 @ 1:15 AM PDT - Heat Risk will persist at the Moderate to Major levels until the middle of this week. Here are graphics of today's and tomorrow's expected Heat Risk.