Lake County, MT Weather Forecast
County weather hub
Slight Chance Light Rain
Compare major city weather across Lake County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain. Partly sunny, with a high near 66.
County Weather Overview
This county weather page brings together forecast coverage for Lake County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Lake County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 2 to Jun 4, 2026
- Latest sync
- May 29, 2026 7:00 PM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake County
Wednesday looks like the warmest upcoming period in Lake County at 74 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Thursday at about 5 to 9 mph SSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 29, 2026 7:00 PM MDT
- Coverage
- 4 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 43.
Mostly sunny, with a high near 74.
A chance of showers and thunderstorms before midnight, then a chance of rain. Mostly cloudy, with a low around 46.
A chance of rain. Partly sunny, with a high near 72.
Mostly clear, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Slight Chance Light Rain
|
66°F |
0 to 5 mph
SW
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
43°F |
1 to 5 mph
ENE
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
74°F |
0 to 3 mph
NNW
|
|
Wednesday Night
Jun 3
|
Chance Showers And Thunderstorms then Chance Light Rain
|
46°F |
5 mph
SE
|
|
Thursday
Jun 4
|
Chance Light Rain
|
72°F |
5 to 9 mph
SSW
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
44°F |
2 to 7 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Lake County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Lake County.
Largest mapped city population in this region: 5,181.