Lanark, MT Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lanark, MT in one place.
Sunny. High near 52, with temperatures falling to around 45 in the afternoon. West southwest wind 5 to 13 mph, with gusts as high as 22 mph.
Local Weather Overview
This forecast page for Lanark, MT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 5, 2026 4:50 PM MST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Lanark, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 4:50 PM MST
- Forecast office
- GGW
- Source
- NOAA / NWS
Daily Outlook
This Week in Lanark
Sunday looks like the warmest upcoming period in Lanark at 64 degrees F.
Monday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Saturday at about 6 to 16 mph W.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 4:50 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- GGW
- Radar station
- KGGW
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 35. Southwest wind 5 to 12 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 60. West wind 6 to 16 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 34. South southwest wind 2 to 6 mph.
Mostly sunny, with a high near 64. South southwest wind 6 to 12 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 38. West wind around 13 mph, with gusts as high as 24 mph.
Mostly sunny, with a high near 52. West wind 7 to 16 mph, with gusts as high as 25 mph.
Mostly cloudy, with a low around 30. West southwest wind 1 to 7 mph.
Mostly sunny, with a high near 54. South southwest wind 1 to 8 mph.
Mostly clear, with a low around 34.
Sunny, with a high near 57.
Partly cloudy, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Sunny
|
52°F |
5 to 13 mph
WSW
|
|
Friday Night
Nov 6
|
Partly Cloudy
|
35°F |
5 to 12 mph
SW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
60°F |
6 to 16 mph
W
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
34°F |
2 to 6 mph
SSW
|
|
Sunday
Nov 8
|
Mostly Sunny
|
64°F |
6 to 12 mph
SSW
|
|
Sunday Night
Nov 8
|
Partly Cloudy
|
38°F |
13 mph
W
|
|
Monday
Nov 9
|
Mostly Sunny
|
52°F |
7 to 16 mph
W
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
30°F |
1 to 7 mph
WSW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
54°F |
1 to 8 mph
SSW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
34°F |
6 mph
S
|
|
Veterans Day
Nov 11
|
Sunny
|
57°F |
5 to 9 mph
SW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
35°F |
6 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lanark.