National Weather Service Forecast for: Libby MT
Issued by: National Weather Service Missoula, MT
Updated: 5:31 am MST Dec 22, 2025
 
Overnight

Overnight: Snow likely. The snow could be heavy at times. Patchy fog. Otherwise, mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Heavy Snow
and Patchy
Fog
 Monday

Monday: A 30 percent chance of snow, mainly before 7am. Patchy fog before noon. Snow level 2400 feet. Otherwise, mostly sunny, with a high near 41. Calm wind. New snow accumulation of less than one inch possible.
Chance Snow
and Patchy
Fog then
Mostly Sunny
 Monday
Night
Monday Night: A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and midnight, then a chance of rain and snow after midnight. Patchy fog. Snow level rising to 2600 feet after midnight. Otherwise, increasing clouds, with a low around 28. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Chance
Rain/Snow and
Patchy Fog
 Tuesday

Tuesday: A slight chance of rain and snow before 11am, then a slight chance of rain. Patchy fog before noon. Snow level 2500 feet rising to 3100 feet in the afternoon. Otherwise, mostly cloudy, with a high near 40. Calm wind. Chance of precipitation is 20%.
Slight Chance
Rain/Snow and
Patchy Fog
 Tuesday
Night
Tuesday Night: A chance of rain before 11pm, then rain, possibly mixed with snow between 11pm and 2am, then rain after 2am. Patchy fog. Snow level 3100 feet rising to 3800 feet after midnight. Low around 32. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Rain/Snow and
Patchy Fog

 Wednesday

Wednesday: Rain. Patchy fog before 3pm, then patchy fog after 4pm. High near 42. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain and
Patchy Fog

 Wednesday
Night
Wednesday Night: A 40 percent chance of rain before 11pm. Patchy fog. Otherwise, mostly cloudy, with a low around 27. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
and Patchy
Fog then
Patchy Fog
 Christmas
Day
Christmas Day: A chance of rain and snow before 2pm, then a chance of rain. Patchy fog before noon. Snow level 2900 feet rising to 3600 feet in the afternoon. Otherwise, partly sunny, with a high near 40.
Chance
Rain/Snow and
Patchy Fog
 Thursday
Night
Thursday Night: Rain. Patchy fog. Otherwise, mostly cloudy, with a low around 31.
Rain and
Patchy Fog
Lo 30 °F Hi 41 °F Lo 28 °F Hi 40 °F Lo 32 °F Hi 42 °F Lo 27 °F Hi 40 °F Lo 31 °F

Winter Weather Advisory
 

Overnight
 
 Snow likely. The snow could be heavy at times. Patchy fog. Otherwise, mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Monday
 
 A 30 percent chance of snow, mainly before 7am. Patchy fog before noon. Snow level 2400 feet. Otherwise, mostly sunny, with a high near 41. Calm wind. New snow accumulation of less than one inch possible.
Monday Night
 
 A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and midnight, then a chance of rain and snow after midnight. Patchy fog. Snow level rising to 2600 feet after midnight. Otherwise, increasing clouds, with a low around 28. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
 
 A slight chance of rain and snow before 11am, then a slight chance of rain. Patchy fog before noon. Snow level 2500 feet rising to 3100 feet in the afternoon. Otherwise, mostly cloudy, with a high near 40. Calm wind. Chance of precipitation is 20%.
Tuesday Night
 
 A chance of rain before 11pm, then rain, possibly mixed with snow between 11pm and 2am, then rain after 2am. Patchy fog. Snow level 3100 feet rising to 3800 feet after midnight. Low around 32. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
 
 Rain. Patchy fog before 3pm, then patchy fog after 4pm. High near 42. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
 A 40 percent chance of rain before 11pm. Patchy fog. Otherwise, mostly cloudy, with a low around 27. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
 
 A chance of rain and snow before 2pm, then a chance of rain. Patchy fog before noon. Snow level 2900 feet rising to 3600 feet in the afternoon. Otherwise, partly sunny, with a high near 40.
Thursday Night
 
 Rain. Patchy fog. Otherwise, mostly cloudy, with a low around 31.
Friday
 
 Rain before 8am, then rain and snow. Patchy fog before noon. Snow level 3400 feet lowering to 2600 feet in the afternoon . Otherwise, mostly cloudy, with a high near 39.
Friday Night
 
 A chance of snow. Patchy fog. Otherwise, mostly cloudy, with a low around 25.
Saturday
 
 A chance of snow. Patchy fog. Otherwise, partly sunny, with a high near 38.
Saturday Night
 
 A chance of snow. Patchy fog. Otherwise, mostly cloudy, with a low around 26.
Sunday
 
 A chance of rain and snow. Patchy fog. Otherwise, mostly cloudy, with a high near 40.

 

Forecast from NOAA-NWS for Libby MT.