Active Weather Alerts
Winter Storm Warning
Issued: 5:47 AM Mar. 13, 2026 – National Weather Service
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SATURDAY... * WHAT...Periods of moderate to heavy snow. Additional snow accumulations between 6 and 12 inches with up to 16 inches at the highest elevations. Winds gusting as high as 35 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Elkhorn and Boulder Mountains, Helena Valley, and Meagher County Valleys. * WHEN...Until 6 PM MDT Saturday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. The hazardous conditions could impact the Friday morning and evening commutes. * ADDITIONAL DETAILS...The best window for moderate to heavy snowfall will be late Friday into Saturday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. &&
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