067
WWUS45 KMSO 161924
WSWMSO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
124 PM MDT Fri May 16 2025

IDZ006-182100-
/O.NEW.KMSO.WS.A.0005.250518T0900Z-250518T2100Z/
Southern Clearwater Mountains-
1224 PM PDT Fri May 16 2025

...WINTER STORM WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH
SUNDAY AFTERNOON ABOVE 5000 FEET...

* WHAT...Heavy snow possible above 5000 feet. Chance of moderate to
  major impacts from snow is at least 50 percent. Total snow
  accumulations between 1 and 6 inches possible.

* WHERE...Dixie and Lolo Pass.

* WHEN...From late Saturday night through Sunday afternoon.

* IMPACTS...For MODERATE impacts from snow, expect disruptions to
  normal activities. Hazardous traveling conditions. Use extra
  caution while driving. Closures and disruptions to infrastructure
  may occur. 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...

Monitor the latest forecasts for updates on this situation.

&&

$$

IDZ009-010-182100-
/O.NEW.KMSO.WS.A.0005.250518T0900Z-250518T2100Z/
Western Lemhi County-Eastern Lemhi County-
124 PM MDT Fri May 16 2025

...WINTER STORM WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH
SUNDAY AFTERNOON ABOVE 6000 FEET...

* WHAT...Heavy snow possible above 6000 feet. Chance of moderate to
  major impacts from snow is at least 50 percent. Total snow
  accumulations up to 6 inches possible.

* WHERE...Bannock Pass, Highway 28 Tendoy to Lone Pine, Highway 93
  Lost Trail Pass to Gibbonsville, Lemhi Pass, and Williams Creek
  Summit.

* WHEN...From late Saturday night through Sunday afternoon.

* IMPACTS...For MODERATE impacts from snow, expect disruptions to
  normal activities. Hazardous traveling conditions. Use extra
  caution while driving. Closures and disruptions to infrastructure
  may occur. 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...

Monitor the latest forecasts for updates on this situation.

&&

$$

MTZ006-182100-
/O.NEW.KMSO.WS.A.0005.250518T0900Z-250518T2100Z/
Bitterroot/Sapphire Mountains-
124 PM MDT Fri May 16 2025

...WINTER STORM WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH
SUNDAY AFTERNOON...

* WHAT...Heavy snow possible. Chance of moderate to major impacts
  from snow is at least 50 percent. Total snow accumulations up to 5
  inches possible.

* WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass.

* WHEN...From late Saturday night through Sunday afternoon.

* IMPACTS...For MODERATE impacts from snow, expect disruptions to
  normal activities. Hazardous traveling conditions. Use extra
  caution while driving. Closures and disruptions to infrastructure
  may occur. 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...

Monitor the latest forecasts for updates on this situation.

&&

$$