Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

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Last Map Update: Sat, Aug 22, 2026 at 2:56:31 pm MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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Red Flag Warning

Lake Wind Advisory

Special Weather Statement

Sunday Severe Storm Risk

Lake Wind Advisory - Saturday PM & Saturday Night

Scattered severe thunderstorms are expected to emerge over the complex terrain of Central Montana on Sunday afternoon before tracking east. The best chances for severe thunderstorms across NE Montana will be between 3PM and 10PM MDT. The greatest threats will be wind gusts in excess of 60 mph, large hail, frequent lightning, and brief heavy rain. Stay weather aware and have multiple ways to receive weather warnings. Be prepared to seek shelter indoors if severe weather threatens.

Southeast winds will increase Saturday bringing hazardous conditions mainly along the Dry Arm (from Rock Creek to the dam/Duck Creek area) Saturday afternoon and Saturday night. Showers and thunderstorms will also move into the area Saturday night and linger Sunday. Gusty erratic winds can be expected in their vicinity. Wave heights up to 3 feet can be expected.

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Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

NWS Forecast Office Glasgow, MT