496
WWUS75 KMSO 171912
NPWMSO
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1212 PM MST FRI JAN 17 2025
MTZ007-043-181915-
/O.NEW.KMSO.EC.W.0001.250119T1200Z-250120T1800Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
1212 PM MST FRI JAN 17 2025
...EXTREME COLD WARNING IN EFFECT FROM 5 AM SUNDAY TO 11 AM MST
MONDAY...
* WHAT...DANGEROUSLY COLD WIND CHILLS AS LOW AS 30 TO 40 BELOW
EXPECTED. THE COLDEST PERIOD WILL BE SUNDAY NIGHT INTO MONDAY
MORNING.
* WHERE...BUTTE/BLACKFOOT REGION AND POTOMAC/SEELEY LAKE REGION.
* WHEN...FROM 5 AM SUNDAY TO 11 AM MST MONDAY.
* IMPACTS...THE DANGEROUSLY COLD WIND CHILLS AS LOW AS 35 BELOW ZERO
COULD CAUSE FROSTBITE ON EXPOSED SKIN IN AS LITTLE AS 10 MINUTES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST TRAVEL OUTSIDE, USE EXTRA CAUTION. LIMIT THE TIME SPENT
OUTDOORS AND DRESS IN LAYERS INCLUDING A HAT, FACE MASK, AND GLOVES.
IDZ009-010-181915-
/O.NEW.KMSO.CW.Y.0001.250119T1200Z-250120T1800Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
1212 PM MST FRI JAN 17 2025
...COLD WEATHER ADVISORY IN EFFECT FROM 5 AM SUNDAY TO 11 AM MST
MONDAY...
* WHAT...VERY COLD WIND CHILLS AS LOW AS 15 TO 30 BELOW EXPECTED.
THE COLDEST PERIOD WILL BE SUNDAY NIGHT INTO MONDAY MORNING.
* WHERE...EASTERN LEMHI COUNTY AND WESTERN LEMHI COUNTY.
* WHEN...FROM 5 AM SUNDAY TO 11 AM MST MONDAY.
* IMPACTS...THE DANGEROUSLY COLD WIND CHILLS AS LOW AS 35 BELOW ZERO
COULD CAUSE FROSTBITE ON EXPOSED SKIN IN AS LITTLE AS 10 MINUTES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
USE CAUTION WHILE TRAVELING OUTSIDE. WEAR APPROPRIATE CLOTHING, A
HAT, AND GLOVES.
MTZ002-003-181915-
/O.NEW.KMSO.CW.Y.0001.250119T1200Z-250120T1800Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
1212 PM MST FRI JAN 17 2025
...COLD WEATHER ADVISORY IN EFFECT FROM 5 AM SUNDAY TO 11 AM MST
MONDAY...
* WHAT...VERY COLD WIND CHILLS AS LOW AS 20 TO 30 BELOW EXPECTED.
THE COLDEST PERIOD WILL BE SUNDAY NIGHT INTO MONDAY MORNING.
* WHERE...FLATHEAD/MISSION VALLEYS AND WEST GLACIER REGION.
* WHEN...FROM 5 AM SUNDAY TO 11 AM MST MONDAY.
* IMPACTS...THE DANGEROUSLY COLD WIND CHILLS AS LOW AS 30 BELOW ZERO
COULD CAUSE FROSTBITE ON EXPOSED SKIN IN AS LITTLE AS 10 MINUTES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
USE CAUTION WHILE TRAVELING OUTSIDE. WEAR APPROPRIATE CLOTHING, A
HAT, AND GLOVES.
MTZ005-006-181915-
/O.NEW.KMSO.CW.Y.0001.250119T1200Z-250120T1800Z/
MISSOULA/BITTERROOT VALLEYS-BITTERROOT/SAPPHIRE MOUNTAINS-
1212 PM MST FRI JAN 17 2025
...COLD WEATHER ADVISORY IN EFFECT FROM 5 AM SUNDAY TO 11 AM MST
MONDAY...
* WHAT...VERY COLD WIND CHILLS AS LOW AS 15 TO 25 BELOW EXPECTED.
THE COLDEST PERIOD WILL BE SUNDAY NIGHT INTO MONDAY MORNING.
* WHERE...BITTERROOT/SAPPHIRE MOUNTAINS AND MISSOULA/BITTERROOT
VALLEYS.
* WHEN...FROM 5 AM SUNDAY TO 11 AM MST MONDAY.
* IMPACTS...THE DANGEROUSLY COLD WIND CHILLS AS LOW AS 25 BELOW ZERO
COULD CAUSE FROSTBITE ON EXPOSED SKIN IN AS LITTLE AS 30 MINUTES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
USE CAUTION WHILE TRAVELING OUTSIDE. WEAR APPROPRIATE CLOTHING, A
HAT, AND GLOVES.
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