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Temporary Bank Closures

During inclement weather, you and your family's well-being is our primary concern. Below is the complete list of our temporary branch closures and delays. Online Banking, Mobile Banking, our network of convenient ATM locations, or 24-hour Telephone Banking are nearly always available.

See a list of observed holidays during which First Interstate is closed.

Branch Address City State Status (Times are local)

Date

Mobridge 505 N. Main St. Mobridge SD Closing at 2 p.m. July 3, 2025
Billings Downtown 302 N. 31st St. Billings MT Closed July 5, 2025
Billings Heights 730 Main St. Billings MT Closed July 5, 2025
Gillette South 2801 S. Douglas Hwy. Gillette WY Closed July 5, 2025
Helena Gulch 25 E. Lyndale Ave. Helena MT Closed July 5, 2025
Kalispell 2 S. Main St. Kalispell MT Closed July 5, 2025
Kalispell Evergreen 100 E. Cottonwood Dr. Kalispell MT Closed July 5, 2025
Missoula South 3502 Brooks St. Missoula MT Closed July 5, 2025
Polson 49573 US Hwy. 93 Polson MT Closed July 5, 2025
Billings Shiloh 830 Shiloh Crossing Blvd. Billings MT Closed July 5, 2025
Great Falls West 12 3rd St. NW. Great Falls MT Closed July 5, 2025

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