National Weather Service United States Department of Commerce
Click a location below for detailed forecast.

Last Map Update: Wed, Sep 16, 2026 at 5:26:27 pm MDT

Weather pattern becomes more active starting tomorrow with chances for afternoon/evening thunderstorms arriving Thursday and Friday. Locally heavy rainfall is possible with storms each day, with a few strong storms possible Friday (mainly east of Billings). Widespread significant precipitation is in the forecast for the weekend, with probabilities for over an inch of precipitation sitting around 60-70% for most of the forecast area.
Locally heavy rainfall is forecast Friday into the weekend. There is a marginal risk that heavy rainfall may lead to localized flooding. Be sure to take precautions to stay safe in the event flooding develops.
A slow-moving weather system is expected to bring periods of showers and some thunderstorms later this week. Locally heavy rain is possible. This map shows the probability of at least 1.0” of rain Friday through Saturday night. Make sure to plan your outdoor activities accordingly.

 

Text Product Selector (Selected product opens in current window)