171
WWUS55 KMSO 271617
SQWMSO
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SNOW SQUALL WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
917 AM MST SAT DEC 27 2025
MTC039-063-271700-
/O.NEW.KMSO.SQ.W.0008.251227T1617Z-251227T1700Z/
MISSOULA MT-GRANITE MT-
917 AM MST SAT DEC 27 2025
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
* SNOW SQUALL WARNING FOR...
SOUTHEASTERN MISSOULA COUNTY IN WEST CENTRAL MONTANA...
NORTH CENTRAL GRANITE COUNTY IN WEST CENTRAL MONTANA...
* UNTIL 1000 AM MST.
* AT 914 AM MST, A DANGEROUS SNOW SQUALL WAS LOCATED ALONG A LINE
EXTENDING FROM EAST MISSOULA, NEAR BONNER-WEST RIVERSIDE, MOVING
SOUTHEAST AT 20 MPH ON INTERSTATE 90. THIS LINE OF INTENSE SNOW
WILL CONTINUE TO FOLLOW ALONG INTERSTATE 90 TO EAST OF CLINTON
OVER THE NEXT SEVERAL MINUTES.
HAZARD...INTENSE BURSTS OF HEAVY SNOW. GUSTY WINDS LEADING TO
BLOWING SNOW AND VISIBILITY RAPIDLY FALLING TO LESS THAN
ONE-QUARTER MILE. WIND GUSTS UP TO 35 MPH.
SOURCE...RADAR AND WEBCAMS.
IMPACT...DANGEROUS AND LIFE-THREATENING TRAVEL CONDITIONS ARE
EXPECTED TO DEVELOP RAPIDLY IN THE WARNING AREA.
THIS INCLUDES INTERSTATE 90 BETWEEN MILE MARKERS 115 AND 131.
LOCATIONS IMPACTED INCLUDE...
CLINTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REDUCE SPEED AND TURN ON HEADLIGHTS! DURING SNOW SQUALLS, THE
VISIBILITY MAY SUDDENLY DROP TO NEAR ZERO IN WHITEOUT CONDITIONS.
CONSIDER AVOIDING OR DELAYING TRAVEL UNTIL THE SNOW SQUALL PASSES
YOUR LOCATION. IF YOU MUST TRAVEL, USE EXTRA CAUTION AND ALLOW EXTRA
TIME. RAPID CHANGES IN VISIBILITY AND SLICK ROAD CONDITIONS MAY LEAD
TO ACCIDENTS.
LAT...LON 4676 11337 4666 11375 4680 11391 4686 11356
TIME...MOT...LOC 1614Z 297DEG 19KT 4685 11364 4680 11390
SNOW SQUALL...OBSERVED
SNOW SQUALL IMPACT...SIGNIFICANT
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