Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Mar 19, 2026 at 12:00:15 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

Red Flag Warning

Heat Advisory

Small Craft Advisory

Record Warming

Record Warmth This Week

In the mood to smash some records? These afternoon high temperatures are more reminiscent of summertime. With that, lakes and rivers will look appetizing to cool off in but try to refrain as they'll be running fast and cold from snowmelt.