Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Jul 31, 2026 at 11:34:47 am MDT

Watches, Warnings & Advisories

National Weather Service NWS Flagstaff, AZ

National Weather Service Albuquerque, NM

National Weather Service NWS Tucson Arizona

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Heat Advisory for Friday

Very hot weather is expected today, July 31, across the area. This afternoon and evening will feature scattered showers and thunderstorms.

A Flood Watch is in effect for Saturday, August 1st

There is a Marginal Risk (Level 1 of 5) for Severe Storms on Saturday, including large hail and damaging winds.

Cooling off a bit after Friday, but still above average into next week.

With the return of triple digit temperatures in the lowlands, remember to stay hydrated and take plenty of breaks if you're outside. Check on the elderly and your neighbors and bring your pets inside or provide plenty of shade and water for them.

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Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

NWS El Paso