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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
1234 PM MDT Tue Apr 14 2026

IDZ071>074-151200-
/O.NEW.KPIH.WW.Y.0009.260415T0600Z-260416T1800Z/
Frank Church Wilderness-Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-
Including the cities of Galena, Copper Basin, Ketchum, Clayton,
Sun Valley, and Stanley
1234 PM MDT Tue Apr 14 2026

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
MDT THURSDAY ABOVE 7000 FEET ELEVATION...

* WHAT...Snow expected above 7000 feet elevation. Total snow
  accumulations between 6 and 18 inches. 1 to 7 inches expected
  below 7000 feet elevation. Winds gusting as high as 45 mph.

* WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness,
  Sawtooth/Stanley Basin, and Sun Valley Region.

* WHEN...From midnight tonight to noon MDT Thursday.

* IMPACTS...Travel could be very difficult to impossible. Gusty
  winds could bring down tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Call 5 1 1 or visit
511.idaho.gov for the latest road conditions.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1153 AM MDT Tue Apr 14 2026

MTZ006-161500-
/O.NEW.KMSO.WW.Y.0019.260415T2100Z-260416T1500Z/
Bitterroot/Sapphire Mountains-
1153 AM MDT Tue Apr 14 2026

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM WEDNESDAY TO 9 AM MDT
THURSDAY...

* WHAT...Snow expected. There is a likelihood of moderate winter
  weather impacts. Total snow accumulations between 4 and 8 inches
  for Lolo and Lost Trail Passes, with 7 to 14 inches above 6,000
  feet in the higher terrain.

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

* WHEN...From 3 PM Wednesday to 9 AM MDT Thursday.

* IMPACTS...For MODERATE winter weather impacts, expect disruptions
  to normal activities. Hazardous traveling conditions. Use extra
  caution while driving. Closures and disruptions to infrastructure
  may occur. The hazardous conditions could impact the Wednesday
  morning and evening commutes, especially over higher passes.

* ADDITIONAL DETAILS...An elevated risk exists for snow squalls to
  produce poor visibility and gusty winds as the front arrives late
  Wednesday afternoon into the evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1153 AM MDT Tue Apr 14 2026

IDZ005-006-161500-
/O.NEW.KMSO.WW.Y.0019.260416T0000Z-260416T1500Z/
Northern Clearwater Mountains-Southern Clearwater Mountains-
1053 AM PDT Tue Apr 14 2026

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM WEDNESDAY TO 8 AM PDT
THURSDAY...

* WHAT...Snow expected. There is a likelihood of minor to moderate
  winter weather impacts. Total snow accumulations of 2 to 5 inches
  below 5,000 feet, with 5 to 10 inches in the higher terrain.

* WHERE...Highway 12 Lowell to Lolo Pass, Highway 11 Pierce to
  Headquarters, Elk City, Elk River, Dixie, and Pierce.

* WHEN...From 5 PM Wednesday to 8 AM PDT Thursday.

* IMPACTS...For MODERATE winter weather impacts, expect disruptions
  to normal activities. Hazardous traveling conditions. Use extra
  caution while driving. Closures and disruptions to infrastructure
  may occur. The hazardous conditions could impact the Wednesday
  morning and evening commutes, especially over higher passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1153 AM MDT Tue Apr 14 2026

IDZ009-010-161500-
/O.NEW.KMSO.WW.Y.0019.260416T0000Z-260416T1500Z/
Western Lemhi County-Eastern Lemhi County-
1153 AM MDT Tue Apr 14 2026

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 9 AM MDT
THURSDAY...

* WHAT...Snow expected. There is a likelihood of moderate winter
  weather impacts. Total snow accumulations of 3 to 7 inches above
  5,000 feet, including area mountain passes. Total snow
  accumulations of up to 2 inches in lower elevation valley areas.

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

* WHEN...From 6 PM Wednesday to 9 AM MDT Thursday.

* IMPACTS...For MODERATE winter weather impacts, expect disruptions
  to normal activities. Hazardous traveling conditions. Use extra
  caution while driving. Closures and disruptions to infrastructure
  may occur. The hazardous conditions could impact the Wednesday
  morning and evening commutes, especially over higher passes.

* ADDITIONAL DETAILS...An elevated risk exists for snow squalls to
  produce poor visibility and gusty winds as the front arrives
  Wednesday evening across mountain pass areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

Outdoor recreationalists should be prepared for winter conditions.
Snowfall could impact roads and cold temperatures may result in
hypothermia.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pendleton OR
1008 AM PDT Tue Apr 14 2026

ORZ502-WAZ030-150615-
/O.CON.KPDT.WW.Y.0012.260415T0000Z-260416T0600Z/
Northern Blue Mountains of Oregon-Northwest Blue Mountains-
Including the cities of Tollgate, Ski Bluewood Resort, and
Meacham
1008 AM PDT Tue Apr 14 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 11 PM PDT WEDNESDAY ABOVE 4000 FEET...

* WHAT...Snow expected. Total snow accumulations of 5 to 10 inches
  above 4000 feet. Winds gusting as high as 35 mph.

* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
  Washington, Northwest Blue Mountains.

* WHEN...From 5 PM this afternoon to 11 PM PDT Wednesday.

* IMPACTS...Periods of moderate and heavy snow will combine with low
  visibilities to create difficult driving conditions.

* ADDITIONAL DETAILS...Lighter snowfall amounts are forecast below
  4000 feet along I-84 and OR 204.

Steady snowfall this evening through Wednesday morning will turn
over to snow showers late Wednesday afternoon.

Heaviest snowfall rates are expected Wednesday morning and early
afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. In Oregon, the latest
road conditions can be obtained by visiting tripcheck.com online, or
by calling 5 1 1. In Washington, the latest road conditions can be
obtained by visiting the website wsdot.wa.gov/travel.

&&

$$

PDT

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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