Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
113 PM MDT Sat May 17 2025
IDZ009-010-181915-
/O.UPG.KMSO.WS.A.0005.250518T0900Z-250518T2100Z/
/O.NEW.KMSO.WS.W.0007.250518T0900Z-250518T2100Z/
Western Lemhi County-Eastern Lemhi County-
113 PM MDT Sat May 17 2025
...WINTER STORM WARNING IN EFFECT FROM 3 AM TO 3 PM MDT SUNDAY ABOVE
6000 FEET...
* WHAT...Heavy snow expected above 6000 feet. Likelihood of major
impacts from snow is up to 60 percent. Total snow accumulations 4
to 8 inches.
* WHERE...Lemhi Pass, Highway 93 Lost Trail Pass to Gibbonsville,
Bannock Pass, Highway 28 Tendoy to Lone Pine, and Williams Creek
Summit.
* WHEN...From 3 AM to 3 PM MDT Sunday.
* IMPACTS...For MAJOR impacts from snow, expect considerable
disruptions to normal activities. Dangerous or impossible
traveling conditions. Avoid travel in the impacted areas if
possible. Widespread closures and disruptions to infrastructure
may occur.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
113 PM MDT Sat May 17 2025
MTZ043-181915-
/O.UPG.KMSO.WS.A.0005.250518T0900Z-250518T2100Z/
/O.NEW.KMSO.WS.W.0007.250518T0900Z-250518T2100Z/
Potomac/Seeley Lake Region-
113 PM MDT Sat May 17 2025
...WINTER STORM WARNING IN EFFECT FROM 3 AM TO 3 PM MDT SUNDAY...
* WHAT...Heavy wet snow expected. Likelihood of major impacts from 6
to 10 inches of snow is 80 percent, and 10 to 18 inches of snow is
20 percent.
* WHERE...Potomac/Seeley Lake Region.
* WHEN...From 3 AM to 3 PM MDT Sunday.
* IMPACTS...For MAJOR impacts from snow, expect considerable
disruptions to normal activities. Dangerous or impossible
traveling conditions. Avoid travel in the impacted areas if
possible. Widespread closures and disruptions to infrastructure
may occur.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
113 PM MDT Sat May 17 2025
MTZ006-181915-
/O.UPG.KMSO.WS.A.0005.250518T0900Z-250518T2100Z/
/O.NEW.KMSO.WS.W.0007.250518T0900Z-250518T2100Z/
Bitterroot/Sapphire Mountains-
113 PM MDT Sat May 17 2025
...WINTER STORM WARNING IN EFFECT FROM 3 AM TO 3 PM MDT SUNDAY...
* WHAT...Heavy snow expected. Likelihood of major impacts from 6 to
10 inches of snow is 60 percent, and 10 to 18 inches of snow is 10
percent.
* WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass.
* WHEN...From 3 AM to 3 PM MDT Sunday.
* IMPACTS...For MAJOR impacts from snow, expect considerable
disruptions to normal activities. Dangerous or impossible
traveling conditions. Avoid travel in the impacted areas if
possible. Widespread closures and disruptions to infrastructure
may occur.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
113 PM MDT Sat May 17 2025
IDZ006-181915-
/O.UPG.KMSO.WS.A.0005.250518T0900Z-250518T2100Z/
/O.NEW.KMSO.WS.W.0007.250518T0900Z-250518T2100Z/
Southern Clearwater Mountains-
1213 PM PDT Sat May 17 2025
...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 2 PM PDT SUNDAY ABOVE
5000 FEET...
* WHAT...Heavy snow expected above 5000 feet. Likelihood of major
impacts from 6 to 10 inches of snow is 80 percent, and 10 to 18
inches of snow is 10 percent.
* WHERE...Dixie and Lolo Pass.
* WHEN...From 2 AM to 2 PM PDT Sunday.
* IMPACTS...For MAJOR impacts from snow, expect considerable
disruptions to normal activities. Dangerous or impossible
traveling conditions. Avoid travel in the impacted areas if
possible. Widespread closures and disruptions to infrastructure
may occur.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.
&&
$$
