805
WWUS45 KMSO 251756
WSWMSO
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1156 AM MDT THU JUN 25 2026
IDZ009-272100-
/O.NEW.KMSO.WS.A.0004.260628T0000Z-260629T1500Z/
WESTERN LEMHI COUNTY-
1156 AM MDT THU JUN 25 2026
...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY
MORNING ABOVE 6500 FEET...
* WHAT...HEAVY WET SNOW POSSIBLE ABOVE 6500 FEET. TOTAL SNOW
ACCUMULATIONS UP TO 6 INCHES POSSIBLE.
* WHERE...BACKCOUNTRY AND HIGHER ELEVATION AREAS, INCLUDING WILLIAMS
CREEK SUMMIT.
* WHEN...FROM SATURDAY EVENING THROUGH MONDAY MORNING.
* IMPACTS...PLAN FOR WINTER-LIKE CONDITIONS IN THE BACKCOUNTRY AND
HIGHER ELEVATIONS. COLD TEMPERATURES AND WET SNOW WILL ELEVATE THE
RISK OF HYPOTHERMIA. HEAVY WET SNOW MAY DOWN TREES, BLOCKING ACCESS
TO BACKCOUNTRY ROADWAYS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
PERSONS SHOULD CONSIDER DELAYING TRAVEL ACROSS HIGH ELEVATION
BACKCOUNTRY ROADWAYS. CONSIDER TAKING A WINTER STORM KIT ALONG WITH
YOU, INCLUDING SUCH ITEMS AS TIRE CHAINS, BOOSTER CABLES, FLASHLIGHT,
SHOVEL, BLANKETS AND EXTRA CLOTHING. ALSO TAKE WATER, A FIRST AID
KIT, AND ANYTHING ELSE THAT WOULD HELP YOU SURVIVE IN CASE YOU BECOME
STRANDED.
DO NOT TOUCH DOWNED LINES AND REPORT ANY POWER OUTAGES TO YOUR
ELECTRIC COMPANY. TRAVEL IS HIGHLY DISCOURAGED ACROSS BACKCOUNTRY
ROADWAYS GIVEN THE RISK FOR DOWNED TREES TO BLOCK ROADWAYS.
IDZ010-272100-
/O.NEW.KMSO.WS.A.0004.260628T0000Z-260629T1500Z/
EASTERN LEMHI COUNTY-
1156 AM MDT THU JUN 25 2026
...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY
MORNING ABOVE 6500 FEET...
* WHAT...HEAVY WET SNOW POSSIBLE ABOVE 6500 FEET. TOTAL SNOW
ACCUMULATIONS UP TO 6 INCHES POSSIBLE.
* WHERE...BACKCOUNTRY AND HIGHER ELEVATION AREAS, HIGHWAY 28 TENDOY
TO LONE PINE, LEMHI PASS, AND BANNOCK PASS.
* WHEN...FROM SATURDAY EVENING THROUGH MONDAY MORNING.
* IMPACTS...PLAN FOR WINTER-LIKE CONDITIONS IN THE BACKCOUNTRY AND
HIGHER ELEVATIONS. COLD TEMPERATURES AND WET SNOW WILL ELEVATE THE
RISK OF HYPOTHERMIA. HEAVY WET SNOW MAY DOWN TREES, BLOCKING ACCESS
TO BACKCOUNTRY ROADWAYS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
PERSONS SHOULD CONSIDER DELAYING TRAVEL ACROSS HIGH ELEVATION
BACKCOUNTRY ROADWAYS. CONSIDER TAKING A WINTER STORM KIT ALONG WITH
YOU, INCLUDING SUCH ITEMS AS TIRE CHAINS, BOOSTER CABLES, FLASHLIGHT,
SHOVEL, BLANKETS AND EXTRA CLOTHING. ALSO TAKE WATER, A FIRST AID
KIT, AND ANYTHING ELSE THAT WOULD HELP YOU SURVIVE IN CASE YOU BECOME
STRANDED.
DO NOT TOUCH DOWNED LINES AND REPORT ANY POWER OUTAGES TO YOUR
ELECTRIC COMPANY. TRAVEL IS HIGHLY DISCOURAGED ACROSS BACKCOUNTRY
ROADWAYS GIVEN THE RISK FOR DOWNED TREES TO BLOCK ROADWAYS.
MTZ006-272100-
/O.NEW.KMSO.WS.A.0004.260628T0000Z-260629T1500Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
1156 AM MDT THU JUN 25 2026
...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY
MORNING ABOVE 6500 FEET...
* WHAT...HEAVY WET SNOW POSSIBLE ABOVE 6500 FEET. TOTAL SNOW
ACCUMULATIONS UP TO 8 INCHES POSSIBLE.
* WHERE...BACKCOUNTRY AND HIGHER ELEVATION AREAS.
* WHEN...FROM SATURDAY EVENING THROUGH MONDAY MORNING.
* IMPACTS...PLAN FOR WINTER-LIKE CONDITIONS IN THE BACKCOUNTRY AND
HIGHER ELEVATIONS. COLD TEMPERATURES AND WET SNOW WILL ELEVATE THE
RISK OF HYPOTHERMIA. HEAVY WET SNOW MAY DOWN TREES, BLOCKING ACCESS
TO BACKCOUNTRY ROADWAYS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
PERSONS SHOULD CONSIDER DELAYING TRAVEL ACROSS HIGH ELEVATION
BACKCOUNTRY ROADWAYS. CONSIDER TAKING A WINTER STORM KIT ALONG WITH
YOU, INCLUDING SUCH ITEMS AS TIRE CHAINS, BOOSTER CABLES, FLASHLIGHT,
SHOVEL, BLANKETS AND EXTRA CLOTHING. ALSO TAKE WATER, A FIRST AID
KIT, AND ANYTHING ELSE THAT WOULD HELP YOU SURVIVE IN CASE YOU BECOME
STRANDED.
DO NOT TOUCH DOWNED LINES AND REPORT ANY POWER OUTAGES TO YOUR
ELECTRIC COMPANY. TRAVEL IS HIGHLY DISCOURAGED ACROSS BACKCOUNTRY
ROADWAYS GIVEN THE RISK FOR DOWNED TREES TO BLOCK ROADWAYS.
MTZ007-272100-
/O.NEW.KMSO.WS.A.0004.260628T0000Z-260629T1500Z/
BUTTE/BLACKFOOT REGION-
1156 AM MDT THU JUN 25 2026
...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY
MORNING ABOVE 6500 FEET...
* WHAT...HEAVY WET SNOW POSSIBLE ABOVE 6500 FEET. TOTAL SNOW
ACCUMULATIONS UP TO 6 INCHES, WITH HIGHER AMOUNTS ACROSS THE
ANACONDA AND PINTLER MOUNTAINS POSSIBLE.
* WHERE...BACKCOUNTRY AND HIGHER ELEVATION AREAS, GEORGETOWN LAKE.
* WHEN...FROM SATURDAY EVENING THROUGH MONDAY MORNING.
* IMPACTS...PLAN FOR WINTER-LIKE CONDITIONS IN THE BACKCOUNTRY AND
HIGHER ELEVATIONS. COLD TEMPERATURES AND WET SNOW WILL ELEVATE THE
RISK OF HYPOTHERMIA. HEAVY WET SNOW MAY DOWN TREES, BLOCKING ACCESS
TO BACKCOUNTRY ROADWAYS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
PERSONS SHOULD CONSIDER DELAYING TRAVEL ACROSS HIGH ELEVATION
BACKCOUNTRY ROADWAYS. CONSIDER TAKING A WINTER STORM KIT ALONG WITH
YOU, INCLUDING SUCH ITEMS AS TIRE CHAINS, BOOSTER CABLES, FLASHLIGHT,
SHOVEL, BLANKETS AND EXTRA CLOTHING. ALSO TAKE WATER, A FIRST AID
KIT, AND ANYTHING ELSE THAT WOULD HELP YOU SURVIVE IN CASE YOU BECOME
STRANDED.
DO NOT TOUCH DOWNED LINES AND REPORT ANY POWER OUTAGES TO YOUR
ELECTRIC COMPANY. TRAVEL IS HIGHLY DISCOURAGED ACROSS BACKCOUNTRY
ROADWAYS GIVEN THE RISK FOR DOWNED TREES TO BLOCK ROADWAYS.
AL
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