Dewey, MT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Dewey, MT in one place.
Mostly sunny. High near 42, with temperatures falling to around 37 in the afternoon. West wind 7 to 10 mph.
Local Weather Overview
This forecast page for Dewey, 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 4:44 PM MST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Dewey, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 4:44 PM MST
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Dewey
Saturday looks like the warmest upcoming period in Dewey at 49 degrees F.
Sunday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Sunday at about 8 to 18 mph SW.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 4:44 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- TFX
- Radar station
- KMSX
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 29. West southwest wind 9 to 14 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 49. South southwest wind 5 to 9 mph.
Partly cloudy, with a low around 31. South southwest wind 7 to 15 mph, with gusts as high as 21 mph.
Mostly sunny, with a high near 49. Southwest wind 8 to 18 mph, with gusts as high as 26 mph.
Mostly cloudy, with a low around 28. West southwest wind 5 to 8 mph.
Partly sunny, with a high near 46.
Mostly cloudy, with a low around 29.
Mostly sunny, with a high near 48.
Partly cloudy, with a low around 31.
Mostly sunny, with a high near 49.
Partly cloudy, with a low around 32.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Mostly Sunny
|
42°F |
7 to 10 mph
W
|
|
Friday Night
Nov 6
|
Mostly Cloudy
|
29°F |
9 to 14 mph
WSW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
49°F |
5 to 9 mph
SSW
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
31°F |
7 to 15 mph
SSW
|
|
Sunday
Nov 8
|
Mostly Sunny
|
49°F |
8 to 18 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
28°F |
5 to 8 mph
WSW
|
|
Monday
Nov 9
|
Partly Sunny
|
46°F |
5 to 8 mph
SSW
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
29°F |
6 to 9 mph
SW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
48°F |
7 to 12 mph
WSW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
31°F |
7 to 10 mph
SW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
49°F |
8 mph
SSW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
32°F |
7 to 12 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Dewey.