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Columbia Falls, Montana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Columbia Falls MT
National Weather Service Forecast for: Columbia Falls MT
Issued by: National Weather Service Missoula, MT
Updated: 2:30 pm MDT Mar 30, 2025
 
Tonight

Tonight: A slight chance of rain and snow after midnight.  Increasing clouds, with a low around 33. East northeast wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 20%.
Partly Cloudy
then Slight
Chance
Rain/Snow
Monday

Monday: Rain and snow likely, becoming all rain after 10am.  Mostly cloudy, with a high near 51. Calm wind.  Chance of precipitation is 70%. Little or no snow accumulation expected.
Rain/Snow
Likely then
Rain Likely
Monday
Night
Monday Night: A chance of rain before 3am, then a chance of rain and snow.  Mostly cloudy, with a low around 35. Calm wind.  Chance of precipitation is 40%. Little or no snow accumulation expected.
Chance Rain
then Chance
Rain/Snow
Tuesday

Tuesday: A chance of rain and snow before 9am, then a chance of rain.  Mostly cloudy, with a high near 49. Calm wind becoming west southwest 5 to 7 mph in the morning.  Chance of precipitation is 50%. Little or no snow accumulation expected.
Chance
Rain/Snow
then Chance
Rain
Tuesday
Night
Tuesday Night: A slight chance of rain before midnight, then a slight chance of rain and snow.  Mostly cloudy, with a low around 34. West southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%.
Slight Chance
Rain then
Slight Chance
Rain/Snow
Wednesday

Wednesday: A chance of rain and snow before 9am, then rain likely.  Mostly cloudy, with a high near 48. Chance of precipitation is 70%. Little or no snow accumulation expected.
Chance
Rain/Snow
then Rain
Likely
Wednesday
Night
Wednesday Night: A chance of rain before midnight, then rain and snow likely between midnight and 3am, then snow likely after 3am.  Mostly cloudy, with a low around 32. Chance of precipitation is 60%. Little or no snow accumulation expected.
Chance Rain
then
Rain/Snow
Likely
Thursday

Thursday: Snow likely before 3pm, then a chance of rain.  Mostly cloudy, with a high near 45.
Snow Likely
then Chance
Rain/Snow
Thursday
Night
Thursday Night: A slight chance of snow before midnight.  Partly cloudy, with a low around 25.
Slight Chance
Snow then
Partly Cloudy
Lo 33 °F Hi 51 °F Lo 35 °F Hi 49 °F Lo 34 °F Hi 48 °F Lo 32 °F Hi 45 °F Lo 25 °F

 

Tonight
 
A slight chance of rain and snow after midnight. Increasing clouds, with a low around 33. East northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.
Monday
 
Rain and snow likely, becoming all rain after 10am. Mostly cloudy, with a high near 51. Calm wind. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
 
A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
 
A chance of rain and snow before 9am, then a chance of rain. Mostly cloudy, with a high near 49. Calm wind becoming west southwest 5 to 7 mph in the morning. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
 
A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 34. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
 
A chance of rain and snow before 9am, then rain likely. Mostly cloudy, with a high near 48. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
 
A chance of rain before midnight, then rain and snow likely between midnight and 3am, then snow likely after 3am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
 
Snow likely before 3pm, then a chance of rain. Mostly cloudy, with a high near 45.
Thursday Night
 
A slight chance of snow before midnight. Partly cloudy, with a low around 25.
Friday
 
Mostly sunny, with a high near 49.
Friday Night
 
Mostly clear, with a low around 26.
Saturday
 
Sunny, with a high near 57.
Saturday Night
 
Mostly clear, with a low around 31.
Sunday
 
Sunny, with a high near 61.

 

Forecast from NOAA-NWS for Columbia Falls MT.

Weather Forecast Discussion
353
FXUS65 KMSO 301843
AFDMSO

Area Forecast Discussion
National Weather Service Missoula MT
1243 PM MDT Sun Mar 30 2025

.DISCUSSION...

KEY MESSAGES:

- Mountain snow Monday night into Tuesday morning may again cause
  winter driving conditions in southwest MT above 3500 feet.

- Active pattern with cool and showery weather most of this coming
  week. Pass level snow impact potential during overnight/morning
  periods.

- Ridging returns around April 6th, warmer and drier for several
  days.

Shower activity begins again this evening from our next system.
Snow levels during this system will remain 4500 to 5000 feet,
with area mountain passes receiving a couple inches. Monday will
remain convective with isolated thunderstorms possible.

Monday evening models are spinning up another mid-level low over
southwest MT. Additionally, the models have continued their trend
of increasing precipitation amounts and lowering snow levels. A
mix of rain and snow may be possible Tuesday morning in the
valleys, while overnight Monday a few inches of snow is expected
to accumulate at Lost Trail, Homestake, and MacDonald Passes
creating periods of winter driving conditions. If traveling during
this period please check future forecasts for updates.

Active spring weather continues through April 6th, with periods of
sun, clouds, showers, graupel, and an isolated thunderstorm. The
short term forecast will be better for predicting short waves
that may increase precipitation chances.

High pressure returns, potentially just briefly, on the 6th with
warming temperatures and drier conditions.

&&

.AVIATION...Broken clouds today will become showers this evening,
with showers beginning at KSMN, KHRF, and KMSO between 31/0000
and 31/0600z. KGPI and KBTM showers will hold off until after
31/1100z. Monday instability increases and an isolated
thunderstorm is possible. Snow levels lower overnight and KSMN,
KHRF, and KMSO may receive a mix and rain and snow which will
cause short term visibility reductions. A period of light snow is
expected at KBTM after 01/0000z causing reduced visibility and
lowering ceilings, along with minor accumulations.



&&

.MSO WATCHES/WARNINGS/ADVISORIES...
MT...None.
ID...None.
&&

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






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