National Weather Service United States Department of Commerce

Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

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Last Map Update: Mon, Jun 29, 2026 at 12:52:31 am MST

A Red Flag Warning is in effect for east-central Arizona on Monday due to low humidity and gusty winds.
Critical fire weather conditions are possible on Tuesday across portions of eastern Arizona.

 

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