National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Regional Weather Summary
Issued by NWS Great Falls, MT

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NZUS01 KTFX 212200
RWSTFX
MTZ301>330-221200-

Regional Weather Synopsis
National Weather Service Great Falls MT
400 PM MDT Tue Jul 21 2026


 - Showers and thunderstorms are expected each afternoon through
   Saturday.

 - Isolated thunderstorms in Southwestern Montana have the
   potential to produce localized flash flooding Wednesday
   afternoon/evening.

 - Temperatures will gradually warm up through Saturday and stay
   warm through early next week.


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