Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

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Last Map Update: Sat, Mar 21, 2026 at 5:24:12 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Joaquin Valley, CA

National Weather Service Los Angeles, CA

Gale Warning

Small Craft Advisory

Lake Wind Advisory

High Temperature Records Set Last Week

Last week's heat wave set multiple high temperature records across the Bay Area and Central Coast. Most notably, Santa Rosa, San Rafael, Richmond, Livermore, downtown San Francisco, San Francisco International Airport, Redwood City, Oakland Museum, and Salinas Airport all set new record highs for the month of March, with record highs ranging from 88 in Richmond to 94 at Redwood City and Salinas Airport. Note that all data is preliminary, official and certified data is available from the National Centers for Environmental Information.

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Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

NWS Forecast Office San Francisco, CA