Lake County, MT Weather Forecast
County weather hub
Patchy Fog
Compare major city weather across Lake County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog between 3am and 5am. Mostly clear, with a low around 59. North northeast wind around 2 mph.
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
- Jul 18 to Jul 24, 2026
- Latest sync
- Jul 18, 2026 3:58 AM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake County
Friday looks like the warmest upcoming period in Lake County at 95 degrees F.
Sunday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Saturday Night at about 2 to 12 mph S.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jul 18, 2026 3:58 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
Patchy fog before 8am. Sunny, with a high near 93. South southwest wind 1 to 10 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 57. South wind 2 to 12 mph, with gusts as high as 21 mph.
Sunny, with a high near 89. South southwest wind 2 to 9 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 55. West wind 1 to 10 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 88.
Mostly cloudy, with a low around 59.
Mostly sunny, with a high near 92.
Partly cloudy, with a low around 61.
Mostly sunny, with a high near 92.
Partly cloudy, with a low around 62.
Mostly sunny, with a high near 92.
A slight chance of rain before midnight. Partly cloudy, with a low around 61.
Mostly sunny, with a high near 95.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 18
|
Patchy Fog
|
59°F |
2 mph
NNE
|
|
Saturday
Jul 18
|
Patchy Fog then Sunny
|
93°F |
1 to 10 mph
SSW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
57°F |
2 to 12 mph
S
|
|
Sunday
Jul 19
|
Sunny
|
89°F |
2 to 9 mph
SSW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
55°F |
1 to 10 mph
W
|
|
Monday
Jul 20
|
Mostly Sunny
|
88°F |
1 to 5 mph
N
|
|
Monday Night
Jul 20
|
Mostly Cloudy
|
59°F |
5 mph
NE
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
92°F |
1 to 5 mph
NNE
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
61°F |
1 to 5 mph
NE
|
|
Wednesday
Jul 22
|
Mostly Sunny
|
92°F |
0 to 5 mph
NW
|
|
Wednesday Night
Jul 22
|
Partly Cloudy
|
62°F |
1 to 5 mph
ENE
|
|
Thursday
Jul 23
|
Mostly Sunny
|
92°F |
1 to 5 mph
SSW
|
|
Thursday Night
Jul 23
|
Slight Chance Light Rain then Partly Cloudy
|
61°F |
2 to 6 mph
SE
|
|
Friday
Jul 24
|
Mostly Sunny
|
95°F |
1 to 5 mph
SW
|
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.
