933
NWUS55 KTFX 182135
LSRTFX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
235 PM MST THU DEC 18 2025
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0520 PM HIGH SUST WINDS 2 SW LEWISTOWN 47.05N 109.46W
12/17/2025 M40 MPH FERGUS MT ASOS
ASOS STATION LEWISTOWN AIRPORT KLWT MEASURED
SUSTAINED WINDS AVERAGED BETWEEN 120 PM AND
520 PM OF 40 MPH.
AM
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