Missoula County, MT Weather Forecast
County weather hub
Sunny
Compare major city weather across Missoula County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny. High near 35, with temperatures falling to around 27 in the afternoon. West northwest wind around 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for Missoula County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Missoula County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 3:44 PM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Missoula County
Friday looks like the warmest upcoming period in Missoula County at 51 degrees F.
Tonight is the coolest period ahead with temperatures near 20 degrees F.
The strongest winds are forecast for Saturday at about 6 to 15 mph SW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 13, 2026 3:44 PM MDT
- Coverage
- 8 days
- Time zone
- America/Denver
- Forecast office
- MSO
- Radar station
- KMSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 20. North northwest wind around 5 mph.
Mostly sunny. High near 40, with temperatures falling to around 31 in the afternoon. West northwest wind 3 to 8 mph, with gusts as high as 18 mph.
Mostly clear, with a low around 23. Northeast wind around 7 mph.
Sunny, with a high near 43. East southeast wind 6 to 9 mph.
Mostly clear, with a low around 26.
Sunny, with a high near 51.
Mostly clear, with a low around 31.
Mostly sunny, with a high near 49.
Partly cloudy, with a low around 28.
Sunny, with a high near 43.
Partly cloudy, with a low around 30.
Mostly sunny, with a high near 45.
A chance of rain and snow. Mostly cloudy, with a low around 28. Little or no snow accumulation expected.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 13
|
Sunny
|
35°F |
5 mph
WNW
|
|
Tonight
Oct 13
|
Partly Cloudy
|
20°F |
5 mph
NNW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
40°F |
3 to 8 mph
WNW
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
23°F |
7 mph
NE
|
|
Thursday
Oct 15
|
Sunny
|
43°F |
6 to 9 mph
ESE
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
26°F |
5 to 14 mph
SE
|
|
Friday
Oct 16
|
Sunny
|
51°F |
3 to 13 mph
SSW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
31°F |
1 to 14 mph
SSW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
49°F |
6 to 15 mph
SW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
28°F |
7 to 14 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
43°F |
5 mph
W
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
30°F |
1 to 10 mph
ENE
|
|
Monday
Oct 19
|
Mostly Sunny
|
45°F |
6 to 10 mph
S
|
|
Monday Night
Oct 19
|
Chance Rain And Snow
|
28°F |
5 to 9 mph
WNW
|
Major City Forecasts
Live forecast snapshots for major cities across Missoula County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Missoula County.
Largest mapped city population in this region: 76,848.
