National Weather Service United States Department of Commerce

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 >

Click a location below for detailed forecast.

Last Map Update: Sun, Mar 22, 2026 at 9:38:18 am MST

An Extreme Heat Warning is in effect through 8 PM today for locations below 4000 feet in the Grand Canyon and Yavapai County. Do not be caught off guard by June-like temperatures in March!
Daily record highs are forecast through at least Friday as this unprecedented March heat wave rolls on.

 

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