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 11:16:43 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Extreme Heat Warning

Gale Warning

Small Craft Advisory

Sneak Peek of Spring

Mid March Heatwave Summary

March 21st High Temperature Records Broken

Saturday will the warmer and windier of the weekend days, with a nudge toward cooling temperatures for Sunday. It will be an ideal weekend to get outdoors and enjoy, but be mindful of choppy lake waters on Saturday.

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

NWS Forecast Office Reno, NV