National Weather Service United States Department of Commerce

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: Sat, Aug 1, 2026 at 8:42:29 pm CDT

After a slightly cooler start of the day, temperatures will warm into the mid to upper 90s on Sunday under plenty of sunshine. The combination of lower humidity and northerly winds will keep the heat index in check, near the actual temperatures.
Triple-digit heat will build again this upcoming week with little to no rain chances across the region. Heat index values will increase to 105-110 by midweek.
With the triple digit heat returning to the region, don't forget to recognize the heat related illness symptoms. Here are some of the signs you need to look for when spending a prolonged time outdoors without taking the necessary precautions. Stay cool!

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