Winter Storm Warning Issued for Carter, Custer, and Fallon Counties Through Sunday Morning

Alert Details

The National Weather Service in Billings, MT has issued a Winter Storm Warning for portions of Southeast Montana. The alert is currently in effect and will remain active until 6:00 AM MDT on Sunday, March 15, 2026.

Affected Areas

The warning specifically impacts the following geographic regions in Montana:

• Carter County
• Custer County
• Fallon County

What You Should Do

Residents in the affected areas are urged to prepare for hazardous conditions. If you must travel, the National Weather Service recommends keeping an extra flashlight, food, and water in your vehicle in case of an emergency. For the latest information on road conditions, residents should call 5-1-1.

Expected Conditions

• Snow Accumulation: Periods of heavy snow are expected, with total accumulations ranging between 4 and 9 inches.
• Wind Speeds: Winds are forecasted to gust as high as 30 mph.
• Visibility and Travel: Patchy blowing snow could significantly reduce visibility. Travel is expected to be very difficult, with specific impacts anticipated for the Friday evening commute.

Timeline

The alert was issued on Friday, March 13, at 2:11 PM MDT. The hazardous conditions and the Winter Storm Warning are expected to persist until the alert expires at 6:00 AM MDT on Sunday, March 15.