National Weather Service United States Department of Commerce

Heavy Rain and Flooding Concerns From the Southwest to the Upper Midwest; Heat Continues to Build in the East

Widespread showers and thunderstorms are expected to develop Friday afternoon in the Four Corners region and northern High Plains through the Upper Midwest. Stronger storms may produce heavy to excessive rainfall that will likely lead to scattered instances of flash and urban flooding. Meanwhile, the ongoing dangerous heat wave will peak across the Midwest and Mid-Atlantic through the weekend. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Jun 21, 2024 at 10:46:21 am MDT

This is radar imagery for North Central and Southwest Montana
Strong thunderstorms are expected across much of Montana again today. The main focus for potentially severe thunderstorms is over Central and South Central Montana, where there is up to a 10% chance for a tornado (outline in black), and within that area there is greater than a 10% chance of hail larger than 2 inches in diameter (outlined in blue). Stay safe by having multiple ways to receive warnings. When thunder roars, head indoors! #MTwx
This graphic shows the Storm Prediction Center’s different categories for severe thunderstorm outlooks. On the image, It's broken down to levels none to 5, category names, the details and definitions of what the categories mean, summary of category definition, how many severe storms could occur and the definition of a severe thunderstorm (wind gust greater than 58 mph, hail at least 1 inch in diameter, and chance of tornadoes).

 

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