Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Jul 29, 2026 at 9:20:31 pm MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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National Weather Service Salt Lake City, UT

Heat Advisory

Fire Weather Watch

Air Quality Alert

Wildfire Smoke Affecting Air Quality

Poor air quality can risk your health. The Air Quality Index (AQI) has been ranging from Unhealthy to Hazardous across portions of E Oregon and SW Idaho due to wildfire smoke. Safety Tips: limit your time outside, wear a mask, or move indoors. Check AQ information at your location: https://www.airnow.gov