Westby, MT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Westby, MT in one place.
Mostly sunny, with a high near 59. West wind 8 to 20 mph, with gusts as high as 30 mph.
Local Weather Overview
This forecast page for Westby, 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 5:03 PM MST.
The active forecast window currently covers Nov 7 to Nov 11, 2026 for Westby, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 5:03 PM MST
- Forecast office
- GGW
- Source
- NOAA / NWS
Daily Outlook
This Week in Westby
Sunday looks like the warmest upcoming period in Westby at 62 degrees F.
Monday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Monday at about 9 to 21 mph W.
The forecast from Nov 7 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 5:03 PM MST
- Coverage
- 6 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 34. Southwest wind 5 to 9 mph.
Mostly sunny, with a high near 62. South southwest wind 9 to 18 mph, with gusts as high as 30 mph.
Partly cloudy, with a low around 38. West wind 15 to 18 mph, with gusts as high as 31 mph.
Sunny, with a high near 51. West wind 9 to 21 mph, with gusts as high as 30 mph.
Partly cloudy, with a low around 30. West wind 3 to 9 mph.
Mostly sunny, with a high near 51. Southwest wind 3 to 10 mph.
Partly cloudy, with a low around 33.
Sunny, with a high near 55.
Partly cloudy, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Nov 7
|
Mostly Sunny
|
59°F |
8 to 20 mph
W
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
34°F |
5 to 9 mph
SW
|
|
Sunday
Nov 8
|
Mostly Sunny
|
62°F |
9 to 18 mph
SSW
|
|
Sunday Night
Nov 8
|
Partly Cloudy
|
38°F |
15 to 18 mph
W
|
|
Monday
Nov 9
|
Sunny
|
51°F |
9 to 21 mph
W
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
30°F |
3 to 9 mph
W
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
51°F |
3 to 10 mph
SW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
33°F |
8 mph
S
|
|
Veterans Day
Nov 11
|
Sunny
|
55°F |
8 to 13 mph
SW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
35°F |
8 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Westby.