Summit, MT Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Summit, MT in one place.
Mostly cloudy. Low around 38, with temperatures rising to around 44 overnight. Southwest wind around 16 mph, with gusts as high as 29 mph.
Local Weather Overview
This forecast page for Summit, 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 11, 2026 1:36 AM MST.
The active forecast window currently covers Nov 11 to Nov 17, 2026 for Summit, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 11 to Nov 17, 2026
- Latest sync
- Nov 11, 2026 1:36 AM MST
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Summit
Thursday looks like the warmest upcoming period in Summit at 58 degrees F.
Sunday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Overnight at about 16 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 11, 2026 1:36 AM 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 high near 52. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Mostly cloudy, with a low around 40. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Mostly cloudy, with a high near 58. Southwest wind around 7 mph.
Mostly cloudy, with a low around 39. South southwest wind around 5 mph.
Mostly sunny, with a high near 57.
Partly cloudy, with a low around 37.
Mostly sunny, with a high near 48.
Mostly cloudy, with a low around 34.
Mostly sunny, with a high near 43.
Partly cloudy, with a low around 32.
Partly sunny, with a high near 43.
A chance of snow after 11pm. Mostly cloudy, with a low around 32.
A chance of snow. Mostly cloudy, with a high near 38. Little or no snow accumulation expected.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 11
|
Mostly Cloudy
|
38°F |
16 mph
SW
|
|
Veterans Day
Nov 11
|
Mostly Cloudy
|
52°F |
10 to 15 mph
SW
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
40°F |
7 to 10 mph
SW
|
|
Thursday
Nov 12
|
Mostly Cloudy
|
58°F |
7 mph
SW
|
|
Thursday Night
Nov 12
|
Mostly Cloudy
|
39°F |
5 mph
SSW
|
|
Friday
Nov 13
|
Mostly Sunny
|
57°F |
3 mph
S
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
37°F |
5 mph
S
|
|
Saturday
Nov 14
|
Mostly Sunny
|
48°F |
3 to 10 mph
SW
|
|
Saturday Night
Nov 14
|
Mostly Cloudy
|
34°F |
12 mph
WSW
|
|
Sunday
Nov 15
|
Mostly Sunny
|
43°F |
9 to 14 mph
WSW
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
32°F |
8 to 12 mph
SW
|
|
Monday
Nov 16
|
Partly Sunny
|
43°F |
5 to 8 mph
SW
|
|
Monday Night
Nov 16
|
Chance Light Snow
|
32°F |
6 mph
WSW
|
|
Tuesday
Nov 17
|
Chance Light Snow
|
38°F |
8 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Summit.