Flathead County, MT Weather Forecast
County weather hub
Mostly Cloudy then Slight Chance Showers And Thunderstorms
Compare major city weather across Flathead County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 58. West southwest wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
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
- May 26 to May 31, 2026
- Latest sync
- May 25, 2026 7:24 AM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Flathead County
Thursday looks like the warmest upcoming period in Flathead County at 65 degrees F.
Saturday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Saturday at about 12 mph SSW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- May 25, 2026 7:24 AM MDT
- Coverage
- 6 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
Showers and thunderstorms likely before 9pm, then rain likely. Cloudy, with a low around 49. Northwest wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then a chance of rain. Mostly cloudy, with a low around 50. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
A slight chance of rain before noon, then showers and thunderstorms likely. Partly sunny, with a high near 59.
Showers and thunderstorms before midnight, then rain likely. Mostly cloudy, with a low around 43.
Rain likely. Mostly cloudy, with a high near 54.
A chance of rain. Partly cloudy, with a low around 41.
A slight chance of rain. Mostly sunny, with a high near 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
58°F |
8 mph
WSW
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms Likely then Rain Likely
|
49°F |
8 mph
NW
|
|
Wednesday
May 27
|
Chance Light Rain then Chance Showers And Thunderstorms
|
59°F |
7 mph
NNW
|
|
Wednesday Night
May 27
|
Chance Showers And Thunderstorms then Chance Light Rain
|
50°F |
7 mph
N
|
|
Thursday
May 28
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
65°F |
7 mph
N
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms
|
52°F |
7 mph
ENE
|
|
Friday
May 29
|
Slight Chance Light Rain then Showers And Thunderstorms Likely
|
59°F |
5 to 8 mph
SW
|
|
Friday Night
May 29
|
Showers And Thunderstorms then Rain Likely
|
43°F |
8 mph
SSW
|
|
Saturday
May 30
|
Rain Likely
|
54°F |
12 mph
SSW
|
|
Saturday Night
May 30
|
Chance Light Rain
|
41°F |
5 to 10 mph
SSW
|
|
Sunday
May 31
|
Slight Chance Light Rain
|
57°F |
5 to 8 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.
