Chelsea, MT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chelsea, MT in one place.
Mostly sunny, with a high near 61. West wind 5 to 14 mph, with gusts as high as 21 mph.
Local Weather Overview
This forecast page for Chelsea, 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 4:42 PM MST.
The active forecast window currently covers Nov 7 to Nov 11, 2026 for Chelsea, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 4:42 PM MST
- Forecast office
- GGW
- Source
- NOAA / NWS
Daily Outlook
This Week in Chelsea
Sunday looks like the warmest upcoming period in Chelsea at 65 degrees F.
Monday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Sunday Night at about 12 to 16 mph W.
The forecast from Nov 7 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 4:42 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
Mostly clear, with a low around 34. South southwest wind around 5 mph.
Partly sunny, with a high near 65. Southwest wind 5 to 12 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 37. West wind 12 to 16 mph, with gusts as high as 25 mph.
Mostly sunny, with a high near 52. West wind 6 to 14 mph, with gusts as high as 24 mph.
Mostly cloudy, with a low around 29. Southwest wind 1 to 6 mph.
Mostly sunny, with a high near 56. South wind 1 to 8 mph.
Mostly clear, with a low around 34.
Sunny, with a high near 60.
Partly cloudy, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Nov 7
|
Mostly Sunny
|
61°F |
5 to 14 mph
W
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
34°F |
5 mph
SSW
|
|
Sunday
Nov 8
|
Partly Sunny
|
65°F |
5 to 12 mph
SW
|
|
Sunday Night
Nov 8
|
Partly Cloudy
|
37°F |
12 to 16 mph
W
|
|
Monday
Nov 9
|
Mostly Sunny
|
52°F |
6 to 14 mph
W
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
29°F |
1 to 6 mph
SW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
56°F |
1 to 8 mph
S
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
34°F |
6 mph
SSW
|
|
Veterans Day
Nov 11
|
Sunny
|
60°F |
5 to 8 mph
WSW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
35°F |
6 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chelsea.