Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

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Last Map Update: Wed, Aug 26, 2026 at 11:38:20 pm MDT

Watches, Warnings & Advisories

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National Weather Service Great Falls, MT

There are no watches, warnings, or advisories at this time.

Increasing Thunderstorms Wednesday-Thursday

Thunderstorms will develop across much of the Northern Rockies today, with the focus shifting to Lemhi County, ID and southwest Montana Montana on Thursday. Thunderstorms will be scattered in nature, rather than widespread with gusty outflow winds of 30-50 mph as a primary concern. Lightning may also lead to new fire starts. Storms will likely be a mix of dry/wet storms with wetting rains confined to storm cores.