338
NWUS55 KTFX 182352
LSRTFX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
452 PM MST THU DEC 18 2025
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0234 PM HIGH SUST WINDS 8 SSW WOLF CREEK 46.89N 112.11W
12/17/2025 M41 MPH LEWIS AND CLARK MT DEPT OF HIGHWAYS
MT DOT SENSOR SIEBEN FLATS (MTSBN) MEASURED
SUSTAINED WINDS AVERAGING 41 MPH BETWEEN 931
AM AND 234 PM. THE SENSOR LOST POWER
THEREAFTER, WITH THE LAST REPORTED WINDS
BEING SUSTAINED AT 60 MPH WITH A GUST TO 79
MPH.
AM
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