NWUS55 KTFX 222229 LSRTFX Preliminary Local Storm Report National Weather Service Great Falls MT 429 PM MDT Sun Mar 22 2026 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0450 PM Blizzard 5 WSW Great Falls 47.47N 111.38W 03/14/2026 Cascade MT ASOS Delayed Report : Blizzard conditions with winds gusting 35 to 45 mph and 1/4 to 1/2 mile visibility from 1250 to 1650 pm local time. && $$