Sioux Pass, MT Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sioux Pass, MT in one place.
Partly sunny. High near 64, with temperatures falling to around 57 in the afternoon. West southwest wind around 12 mph, with gusts as high as 22 mph.
Local Weather Overview
This forecast page for Sioux Pass, 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 8, 2026 2:53 PM MST.
The active forecast window currently covers Nov 8 to Nov 14, 2026 for Sioux Pass, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 14, 2026
- Latest sync
- Nov 8, 2026 2:53 PM MST
- Forecast office
- GGW
- Source
- NOAA / NWS
Daily Outlook
This Week in Sioux Pass
This Afternoon looks like the warmest upcoming period in Sioux Pass at 64 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Tonight at about 9 to 14 mph W.
The forecast from Nov 8 through Nov 14 stays mostly dry.
Forecast Details
- Last updated
- Nov 8, 2026 2:53 PM MST
- Coverage
- 8 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
Mostly cloudy, with a low around 38. West wind 9 to 14 mph, with gusts as high as 24 mph.
Mostly sunny. High near 53, with temperatures falling to around 46 in the afternoon. West wind 5 to 14 mph, with gusts as high as 23 mph.
Mostly cloudy, with a low around 33. South southwest wind around 5 mph.
Haze between 11am and 2pm. Partly sunny, with a high near 53. West southwest wind 5 to 13 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 34. West northwest wind around 8 mph.
Sunny, with a high near 52. North wind 3 to 7 mph.
Partly cloudy, with a low around 31. East southeast wind around 6 mph.
Sunny, with a high near 55. Southeast wind 6 to 9 mph.
Partly cloudy, with a low around 34. South southeast wind around 7 mph.
Mostly sunny, with a high near 59. South wind 7 to 10 mph, with gusts as high as 21 mph.
Partly cloudy, with a low around 36.
Mostly sunny, with a high near 60.
Partly cloudy, with a low around 37.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Nov 8
|
Partly Sunny
|
64°F |
12 mph
WSW
|
|
Tonight
Nov 8
|
Mostly Cloudy
|
38°F |
9 to 14 mph
W
|
|
Monday
Nov 9
|
Mostly Sunny
|
53°F |
5 to 14 mph
W
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
33°F |
5 mph
SSW
|
|
Tuesday
Nov 10
|
Haze
|
53°F |
5 to 13 mph
WSW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
34°F |
8 mph
WNW
|
|
Veterans Day
Nov 11
|
Sunny
|
52°F |
3 to 7 mph
N
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
31°F |
6 mph
ESE
|
|
Thursday
Nov 12
|
Sunny
|
55°F |
6 to 9 mph
SE
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
34°F |
7 mph
SSE
|
|
Friday
Nov 13
|
Mostly Sunny
|
59°F |
7 to 10 mph
S
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
36°F |
8 mph
SW
|
|
Saturday
Nov 14
|
Mostly Sunny
|
60°F |
5 to 8 mph
SW
|
|
Saturday Night
Nov 14
|
Partly Cloudy
|
37°F |
6 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sioux Pass.