NWUS55 KTFX 190253 LSRTFX Preliminary Local Storm Report National Weather Service Great Falls MT 853 PM MDT Wed Mar 18 2026 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0830 PM High Sust Winds 8 SSW Choteau 47.70N 112.23W 03/18/2026 M51 MPH Teton MT Mesonet Mesonet station MTCTS Choteau South Us-287 Mp 56.0. Average sustained wind speed of 51 mph from 1930 to 2030 local time. && $$ Moldan