630
NWUS55 KTFX 181422
LSRTFX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
722 AM MST THU DEC 18 2025
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0300 PM HIGH SUST WINDS 8 NNW DUPUYER 48.30N 112.55W
12/17/2025 M53 MPH PONDERA MT MESONET
AVERAGE SUSTAINED WIND SPEED OF 53 MPH FROM
1145 TO 1500 LOCAL TIME. PEAK 1 HOUR AVERAGE
SUSTAINED SPEED OF 58 MPH FROM 1210 TO 1310
LOCAL TIME.
MOLDAN
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