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

Tonight: A 30 percent chance of rain after midnight.  Mostly cloudy, with a low around 36. East wind 5 to 8 mph becoming calm  after midnight.
Mostly Cloudy
then Chance
Rain
Monday

Monday: A chance of rain before noon, then showers and possibly a thunderstorm between noon and 3pm, then rain after 3pm.  High near 54. Light and variable wind.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance Rain
then Showers

Monday
Night
Monday Night: Rain likely before 11pm, then rain and snow likely.  Mostly cloudy, with a low around 34. Light west wind.  Chance of precipitation is 60%. Little or no snow accumulation expected.
Rain/Snow
Likely

Tuesday

Tuesday: A chance of rain and snow before 9am, then a chance of snow between 9am and noon, then a chance of rain after noon.  Cloudy, with a high near 46. West wind 3 to 8 mph.  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, mixing with snow after 9pm, then gradually ending.  Mostly cloudy, with a low around 33. West northwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%.
Slight Chance
Rain/Snow
then Mostly
Cloudy
Wednesday

Wednesday: A chance of snow before 9am, then a chance of rain and snow between 9am and noon, then a chance of rain after noon.  Mostly cloudy, with a high near 49. Chance of precipitation is 40%. Little or no snow accumulation expected.
Chance
Rain/Snow
then Chance
Rain
Wednesday
Night
Wednesday Night: A slight chance of rain before 9pm, then a slight chance of rain and snow between 9pm and 3am, then a slight chance of snow after 3am.  Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Slight Chance
Rain/Snow

Thursday

Thursday: A chance of snow before noon, then a chance of rain.  Mostly cloudy, with a high near 49.
Chance Snow
then Chance
Rain
Thursday
Night
Thursday Night: A chance of rain, mixing with snow after 9pm, then gradually ending.  Mostly cloudy, with a low around 27.
Chance
Rain/Snow
then Partly
Cloudy
Lo 36 °F Hi 54 °F Lo 34 °F Hi 46 °F Lo 33 °F Hi 49 °F Lo 30 °F Hi 49 °F Lo 27 °F

 

Tonight
 
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 36. East wind 5 to 8 mph becoming calm after midnight.
Monday
 
A chance of rain before noon, then showers and possibly a thunderstorm between noon and 3pm, then rain after 3pm. High near 54. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
Rain likely before 11pm, then rain and snow likely. Mostly cloudy, with a low around 34. Light west wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
 
A chance of rain and snow before 9am, then a chance of snow between 9am and noon, then a chance of rain after noon. Cloudy, with a high near 46. West wind 3 to 8 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
 
A slight chance of rain, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 33. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
 
A chance of snow before 9am, then a chance of rain and snow between 9am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 49. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday Night
 
A slight chance of rain before 9pm, then a slight chance of rain and snow between 9pm and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Thursday
 
A chance of snow before noon, then a chance of rain. Mostly cloudy, with a high near 49.
Thursday Night
 
A chance of rain, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 27.
Friday
 
Mostly sunny, with a high near 51.
Friday Night
 
Mostly clear, with a low around 26.
Saturday
 
Sunny, with a high near 58.
Saturday Night
 
Mostly clear, with a low around 31.
Sunday
 
Sunny, with a high near 64.

 

Forecast from NOAA-NWS for Missoula 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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