Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

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Last Map Update: Mon, Sep 7, 2026 at 9:04:25 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

Heat Advisory

Small Craft Advisory

Frost Advisory

Beach Hazards Statement

Hot This Week

Sneaker Waves Through Monday

Here is an updated look at the forecast high temperatures this week. Much warmer temperatures are expected with the warmest areas in the triple digits. Moderate HeatRisk is expected. The coast will also see warmer temperatures with 70s possible at the immediate coast and temperatures nearing 80 just a few miles inland. Cooler temperatures return Friday and into the weekend.