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 59.
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
- Aug 29 to Aug 31, 2026
- Latest sync
- Aug 25, 2026 4:12 AM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Flathead County
Monday looks like the warmest upcoming period in Flathead County at 61 degrees F.
Sunday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Saturday Night at about 5 to 15 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 25, 2026 4:12 AM MDT
- Coverage
- 3 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
A chance of rain. Partly cloudy, with a low around 45.
A slight chance of rain. Partly sunny, with a high near 54.
A slight chance of rain before midnight. Partly cloudy, with a low around 44.
A slight chance of rain before noon. Mostly sunny, with a high near 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Mostly Sunny
|
59°F |
2 to 13 mph
SSW
|
|
Saturday Night
Aug 29
|
Chance Light Rain
|
45°F |
5 to 15 mph
SW
|
|
Sunday
Aug 30
|
Slight Chance Light Rain
|
54°F |
5 to 9 mph
SW
|
|
Sunday Night
Aug 30
|
Slight Chance Light Rain then Partly Cloudy
|
44°F |
3 to 8 mph
S
|
|
Monday
Aug 31
|
Slight Chance Light Rain then Mostly Sunny
|
61°F |
6 mph
SSW
|
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.
