Flathead County, MT Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Flathead County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 38. Southwest wind around 3 mph.
County Weather Overview
This county weather page brings together forecast coverage for Flathead County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in Flathead County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 9:38 AM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Flathead County
Friday looks like the warmest upcoming period in Flathead County at 49 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Saturday at about 12 mph SSW.
The forecast from Oct 13 through Oct 18 stays mostly dry.
Forecast Details
- Last updated
- Oct 12, 2026 9:38 AM MDT
- Coverage
- 7 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
Mostly clear, with a low around 30. South wind 3 to 8 mph.
Mostly sunny, with a high near 41. South southwest wind around 6 mph.
Mostly clear, with a low around 33.
Sunny, with a high near 46.
Mostly clear, with a low around 33.
Sunny, with a high near 49.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 49.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 45.
Partly cloudy, with a low around 36.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Sunny
|
38°F |
3 mph
SW
|
|
Tuesday Night
Oct 13
|
Mostly Clear
|
30°F |
3 to 8 mph
S
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
41°F |
6 mph
SSW
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
33°F |
3 to 7 mph
WSW
|
|
Thursday
Oct 15
|
Sunny
|
46°F |
2 to 7 mph
N
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
33°F |
1 to 5 mph
E
|
|
Friday
Oct 16
|
Sunny
|
49°F |
6 mph
SSW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
39°F |
2 to 6 mph
S
|
|
Saturday
Oct 17
|
Mostly Sunny
|
49°F |
12 mph
SSW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
39°F |
9 mph
SSW
|
|
Sunday
Oct 18
|
Mostly Sunny
|
45°F |
8 mph
SW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
36°F |
5 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Flathead County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Flathead County.
Largest mapped city population in this region: 25,329.
