Forty Mile Colony, MT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Forty Mile Colony, MT in one place.
Mostly sunny. High near 63, with temperatures falling to around 53 in the afternoon. South southeast wind 3 to 8 mph.
Local Weather Overview
This forecast page for Forty Mile Colony, 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 11:12 PM MST.
The active forecast window currently covers Nov 7 to Nov 12, 2026 for Forty Mile Colony, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 12, 2026
- Latest sync
- Nov 5, 2026 11:12 PM MST
- Forecast office
- BYZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Forty Mile Colony
Sunday looks like the warmest upcoming period in Forty Mile Colony at 67 degrees F.
Sunday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Saturday at about 3 to 8 mph SSE.
The forecast from Nov 7 through Nov 12 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 11:12 PM MST
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- BYZ
- Radar station
- KBLX
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 38. South southeast wind 3 to 8 mph.
Mostly sunny. High near 67, with temperatures falling to around 54 in the afternoon. West wind 1 to 8 mph.
Mostly cloudy, with a low around 35. Southwest wind around 3 mph.
Mostly sunny. High near 57, with temperatures falling to around 50 in the afternoon. East southeast wind around 5 mph.
Mostly cloudy. Low around 36, with temperatures rising to around 38 overnight. South southeast wind 2 to 6 mph.
Mostly sunny. High near 63, with temperatures falling to around 54 in the afternoon. West wind around 3 mph.
Mostly clear, with a low around 39. South wind 1 to 5 mph.
Sunny. High near 65, with temperatures falling to around 54 in the afternoon. South wind 1 to 5 mph.
Partly cloudy, with a low around 39. South southeast wind 1 to 6 mph.
Mostly sunny. High near 67, with temperatures falling to around 57 in the afternoon. South wind 1 to 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Nov 7
|
Mostly Sunny
|
63°F |
3 to 8 mph
SSE
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
38°F |
3 to 8 mph
SSE
|
|
Sunday
Nov 8
|
Mostly Sunny
|
67°F |
1 to 8 mph
W
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
35°F |
3 mph
SW
|
|
Monday
Nov 9
|
Mostly Sunny
|
57°F |
5 mph
ESE
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
36°F |
2 to 6 mph
SSE
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
63°F |
3 mph
W
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
39°F |
1 to 5 mph
S
|
|
Veterans Day
Nov 11
|
Sunny
|
65°F |
1 to 5 mph
S
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
39°F |
1 to 6 mph
SSE
|
|
Thursday
Nov 12
|
Mostly Sunny
|
67°F |
1 to 6 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Forty Mile Colony.