Summit, MT Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Summit, MT in one place.
Partly cloudy, with a low around 31. West southwest wind around 17 mph, with gusts as high as 22 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 1:37 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 1:37 AM MST
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Summit
Thursday looks like the warmest upcoming period in Summit at 47 degrees F.
Sunday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Friday Night at about 13 to 20 mph SSE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 11, 2026 1:37 AM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- TFX
- Radar station
- KSFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny. High near 45, with temperatures falling to around 40 in the afternoon. Southwest wind 8 to 15 mph, with gusts as high as 21 mph.
Mostly cloudy, with a low around 31. South southwest wind around 13 mph.
Mostly sunny, with a high near 47. South wind 7 to 12 mph, with gusts as high as 18 mph.
Partly cloudy, with a low around 33. South wind 10 to 16 mph.
Mostly sunny, with a high near 42. South wind 13 to 18 mph, with gusts as high as 32 mph.
A slight chance of snow after 5am. Mostly cloudy, with a low around 32. South southeast wind 13 to 20 mph, with gusts as high as 26 mph.
A chance of snow. Partly sunny, with a high near 37. South wind 8 to 17 mph, with gusts as high as 25 mph.
A chance of snow before 11pm. Mostly cloudy, with a low around 29.
Mostly sunny, with a high near 34.
Partly cloudy, with a low around 27.
A chance of snow after 5pm. Partly sunny, with a high near 36.
A chance of snow. Mostly cloudy, with a low around 29. Little or no snow accumulation expected.
Snow likely. Mostly cloudy, with a high near 32. New snow accumulation of less than half an inch possible.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 11
|
Partly Cloudy
|
31°F |
17 mph
WSW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
45°F |
8 to 15 mph
SW
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
31°F |
13 mph
SSW
|
|
Thursday
Nov 12
|
Mostly Sunny
|
47°F |
7 to 12 mph
S
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
33°F |
10 to 16 mph
S
|
|
Friday
Nov 13
|
Mostly Sunny
|
42°F |
13 to 18 mph
S
|
|
Friday Night
Nov 13
|
Mostly Cloudy then Slight Chance Light Snow
|
32°F |
13 to 20 mph
SSE
|
|
Saturday
Nov 14
|
Chance Light Snow
|
37°F |
8 to 17 mph
S
|
|
Saturday Night
Nov 14
|
Chance Light Snow then Mostly Cloudy
|
29°F |
8 to 16 mph
SSW
|
|
Sunday
Nov 15
|
Mostly Sunny
|
34°F |
12 to 17 mph
S
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
27°F |
12 to 17 mph
S
|
|
Monday
Nov 16
|
Partly Sunny then Chance Light Snow
|
36°F |
8 to 15 mph
S
|
|
Monday Night
Nov 16
|
Chance Light Snow
|
29°F |
8 to 13 mph
S
|
|
Tuesday
Nov 17
|
Light Snow Likely
|
32°F |
6 to 9 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Summit.