Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

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Last Map Update: Sat, Aug 29, 2026 at 1:02:21 pm MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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National Weather Service Western and Central Wyoming

Freeze Warning

Blowing Dust Advisory

Lake Wind Advisory

Flood Watch

Hazardous Weather Outlook

Excessive Rainfall Outlook Today

Probability for 0.5" of Rain Today

Weather Outlook

Mountain Weather Forecast

Showers and thunderstorms capable of producing heavy rainfall may lead to localized flash flooding over portions of southern MT and northern WY today.

Probability of at least 0.5” of rainfall this afternoon through this evening.

A weather system will bring additional precipitation chances, cooler temperatures, and windy conditions to the area this weekend. Conditions trend warmer and drier early next week. Make sure to stay weather aware if you have outdoor plans this weekend.

A weather system will bring precipitation, cooler temperatures, and windy conditions to the mountains this weekend. Make sure to stay weather aware, and be weather ready, if you have plans in the mountains this weekend.