National Weather Service United States Department of Commerce

Heavy Rainfall Across South Texas and the Northeast; Thunderstorms in the Southern Appalachians and Rio Grande Valley

Widespread showers and thunderstorms producing heavy rain may bring flooding to South Texas and parts of the Northeast U.S. tonight into Friday morning. Scattered severe thunderstorms with damaging gusts and large hail are expected over parts of the southern Appalachians, and Rio Grande Valley of Texas into Friday morning. Read More >

Great Falls, MT

Weather Forecast Office

NWS Forecast Office Great Falls, MT

Weather.gov > Great Falls, MT
Click a location below for detailed forecast.

Last Map Update: Fri, May 9, 2025 at 4:24:32 am MDT

Thunderstorms This Weekend
Unsettled Weather Expected Next Week
Very warm temperatures on Saturday will allow for the chance of afternoon thunderstorms, particularly across north-central Montana. On Sunday a cold front will push through the area bringing a better chance for thunderstorms across the region. The main concerns will be gusty winds, lightning, and small hail.
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A wet start to the week is expected across the region as a disturbance moves through the area. At this point in time, exact precipitation amounts remain uncertain but plan for potential impacts to travel and outdoor recreation along with much cooler temperatures Tuesday and Wednesday.
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