Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

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Last Map Update: Thu, Aug 13, 2026 at 3:48:22 pm MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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National Weather Service Western and Central Wyoming

Flash Flood Watch

Red Flag Warning

Flood Watch

Air Quality Alert

Hazardous Weather Outlook

Hydrologic Outlook

Excessive Rainfall Outlook thru Tonight

Probability of Half an Inch of Precipitation

Probability for 1inch of Precipitation

The return of showers and thunderstorms will also bring the risk of excessive rainfall that could lead to isolated flash flooding today. Currently, there is a Slight Risk (Level 2/4) over eastern MT and eastern WY and a Marginal Risk (Level 1/4) across the rest of the area. Recent Burn Scars are most susceptible to flooding during this period.