Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

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Last Map Update: Tue, Aug 4, 2026 at 7:34:16 am MDT

Watches, Warnings & Advisories

National Weather Service Grand Junction, CO

National Weather Service NWS Flagstaff, AZ

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National Weather Service NWS Tucson Arizona

Red Flag Warning

Heat Advisory

Blowing Dust Advisory

Hazardous Weather Outlook

Heat Advisory Today

Record Heat Today

Severe Storms Today

Today will be very hot again with high temperatures generally 5-10 degrees above average. Record highs will likely be broken at several locations in central and western NM. Limit time outdoors and remain hydrated.