600
NWUS55 KTFX 181943
LSRTFX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1243 PM MST THU DEC 18 2025
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0317 PM NON-TSTM WND GST 2 ENE HELENA 46.60N 111.99W
12/17/2025 M91 MPH LEWIS AND CLARK MT ASOS
PEAK WIND GUST OBSERVED AT ASOS STATION KHLN
HELENA AIRPORT.
AM
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