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Libby, Montana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Libby MT
National Weather Service Forecast for: Libby MT
Issued by: National Weather Service Missoula, MT
Updated: 4:10 am MDT Apr 2, 2025
 
Today

Today: A 50 percent chance of rain, mainly after noon.  Patchy fog before 11am. Snow level 3000 feet rising to 4200 feet in the afternoon.  Otherwise, mostly cloudy, with a high near 53. Light and variable wind.
Slight Chance
Rain and
Patchy Fog
then Chance
Rain
Tonight

Tonight: A chance of rain before 5am, then a chance of rain and snow.  Patchy fog after 2am. Snow level 4100 feet lowering to 2900 feet after midnight .  Otherwise, mostly cloudy, with a low around 34. Light and variable wind.  Chance of precipitation is 50%. Little or no snow accumulation expected.
Chance Rain
then Chance
Rain/Snow and
Patchy Fog
Thursday

Thursday: Rain and snow, becoming all rain after noon.  Patchy fog before 10am. Snow level 2400 feet rising to 3000 feet in the afternoon. High near 50. Calm wind.  Chance of precipitation is 90%. Little or no snow accumulation expected.
Rain/Snow and
Patchy Fog
then Rain

Thursday
Night
Thursday Night: Mostly clear, with a low around 23. Calm wind.
Mostly Clear


Friday

Friday: Sunny, with a high near 55. Calm wind.
Sunny


Friday
Night
Friday Night: Clear, with a low around 26.
Clear


Saturday

Saturday: Sunny, with a high near 64.
Sunny


Saturday
Night
Saturday Night: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 31.
Mostly Clear
then Patchy
Fog

Sunday

Sunday: Areas of fog before 9am.  Otherwise, sunny, with a high near 68.
Areas Fog
then Sunny

Hi 53 °F Lo 34 °F Hi 50 °F Lo 23 °F Hi 55 °F Lo 26 °F Hi 64 °F Lo 31 °F Hi 68 °F

Winter Weather Advisory
 

Today
 
A 50 percent chance of rain, mainly after noon. Patchy fog before 11am. Snow level 3000 feet rising to 4200 feet in the afternoon. Otherwise, mostly cloudy, with a high near 53. Light and variable wind.
Tonight
 
A chance of rain before 5am, then a chance of rain and snow. Patchy fog after 2am. Snow level 4100 feet lowering to 2900 feet after midnight . Otherwise, mostly cloudy, with a low around 34. Light and variable wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
 
Rain and snow, becoming all rain after noon. Patchy fog before 10am. Snow level 2400 feet rising to 3000 feet in the afternoon. High near 50. Calm wind. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
 
Mostly clear, with a low around 23. Calm wind.
Friday
 
Sunny, with a high near 55. Calm wind.
Friday Night
 
Clear, with a low around 26.
Saturday
 
Sunny, with a high near 64.
Saturday Night
 
Patchy fog after 1am. Otherwise, mostly clear, with a low around 31.
Sunday
 
Areas of fog before 9am. Otherwise, sunny, with a high near 68.
Sunday Night
 
Mostly clear, with a low around 36.
Monday
 
A slight chance of rain. Mostly sunny, with a high near 64.
Monday Night
 
A chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 38.
Tuesday
 
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 58.

 

Forecast from NOAA-NWS for Libby MT.

Weather Forecast Discussion
217
FXUS65 KMSO 021028
AFDMSO

Area Forecast Discussion
National Weather Service Missoula MT
428 AM MDT Wed Apr 2 2025

.DISCUSSION...

KEY MESSAGES:

-  Winter driving conditions across portions of southwest Montana
   this morning.

-  Snow will develop in the Glacier Region and other parts of
   northwest Montana later tonight through Thursday.

-  Warm and dry weekend on tap.

The residual wrap-around light snow will continue to impact
southwest Montana through daybreak. There is a winter weather
advisory to capture this impact. Satellite trends depict this
feature slowly drifting southwards with time and will be out of
our area by late morning. Instability showers will develop this
afternoon and evening across the region.

Not much change has occurred with the shortwave trough on Thursday
and backdoor cold front. We have issued winter weather advisories
to cover the snow impacts tonight through Thursday across
northwest Montana. The low-hanging fruit for snowfall appears to
be in the Glacier Region where 2 to 8 inches could fall. The other
areas will depend on how much snow shower coverage there will be
tonight. The start time for the Lincoln County/Kootenai/Cabinet
Region advisory was a bit tricky, but felt that probabilities
were high enough to warrant starting at midnight to capture snow
on US-93 between Eureka and Whitefish. Eastern parts of the
Flathead Valley could be snowing after midnight, then Kalispell by
daybreak onwards. The cold front will bring a period of moderate
snow in these areas in the morning, and then across Flathead Lake
by early afternoon. By then, the ground temps will be warm enough
that any snow accumulation would melt on the roads. Once the cold
front moves through from the northeast, drier air will cause
showers to end in the afternoon up north, but continue across
west-central Montana.

With high pressure developing by Friday, there could be some
valley fog to start, but temperatures will warm into the upper 40s
to lower 50s. And this will begin the very pleasant warm and dry
weekend. The timing of the cold front on Monday has trended a
little faster, so the chance for highs getting to the 70s has been
squashed. There`s only a 20 percent for highs to get into the
mid to upper 60s across the west-central Montana valleys on
Monday.


&&

.AVIATION...Satellite trends early this morning depict a narrow
area of wrap-around rain and snow across southwest Montana. This
feature will slowly shift southwards and weaken by 02/1700Z or
late this morning. KBTM will likely continue to see periods of
lowered ceiling and visibility with light snow. Low stratus has
formed across northwest Montana and portions of Idaho. Expect
improvement by this afternoon. Afternoon and evening showers will
bring brief visibility reductions. An upper level wave will bring
more organized snow showers after 03/0300z or 9 pm MDT this
evening across northwest Montana. A cold front from Canada will
bring a period of moderate snow to the Glacier Region and portions
of northwest Montana Thursday morning.

&&

.MSO WATCHES/WARNINGS/ADVISORIES...
MT...Winter Weather Advisory from midnight tonight to 3 PM MDT
     Thursday for Kootenai/Cabinet Region...West Glacier Region.

     Winter Weather Advisory from 3 AM to 3 PM MDT Thursday for
     Flathead/Mission Valleys.

     Winter Weather Advisory until 9 AM MDT this morning for
     Butte/Blackfoot Region.

ID...None.
&&

$$
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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