Monday, October 26 - Online/Mobile Banking Unavailable

We are currently experiencing login issues with online/mobile banking. We are working to resolve these issues as soon as possible and appreciate your patience. For immediate banking needs, please contact your local branch or our Client Contact Center at 855-342-3400; representatives are available until 7 p.m. MT/6 p.m. PT. Thank you.

We're available with 24/7 online and mobile banking, drive-ups, and ATMs.  |  Requesting PPP loan forgiveness

First Interstate BancSystem Named Outstanding Corporation of the Year

September 26th, 2013