620
NWUS55 KMSO 180151
LSRMSO
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
651 PM MST WED DEC 17 2025
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0500 PM NON-TSTM WND GST 1 ENE BLOSSBURG 46.64N 112.31W
12/17/2025 M75 MPH POWELL MT DEPT OF HIGHWAYS
HIGH WIND OBSERVATIONS AT MACDONALD PASS ON
US-12 BEGAN WITH A COLD FRONT PASSAGE AT
8:47 AM MST, WHICH DELIVERED AN INITIAL PEAK
GUST OF 62 MPH. ELEVATED WIND SPEEDS
PERSISTED THROUGH 7:00 PM, WITH A MAXIMUM
SUSTAINED WIND OF 51 MPH RECORDED AT 2:30
PM.
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