NWS / NOAA weather: Winter Storm Warning issued June 29 at 11:39AM MDT until June 29 at 12:00PM MDT by NWS Great Falls MT

While snow showers will continue through this afternoon at elevations
above 7500 feet, any additional snow accumulation will be light and
limited to the highest peaks above 8500 feet.

Source: NWS / NOAA weather.