Sun River, MT Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Sun River, MT in one place.
Partly cloudy. Low around 41, with temperatures rising to around 47 overnight. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Local Weather Overview
This forecast page for Sun River, 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 Sun River, 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 Sun River
Veterans Day looks like the warmest upcoming period in Sun River at 66 degrees F.
Sunday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Veterans Day at about 10 to 18 mph SSW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 11, 2026 1:36 AM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- TFX
- Radar station
- KTFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny. High near 66, with temperatures falling to around 60 in the afternoon. South southwest wind 10 to 18 mph, with gusts as high as 28 mph.
Mostly cloudy. Low around 42, with temperatures rising to around 46 overnight. South southwest wind 8 to 12 mph, with gusts as high as 18 mph.
Partly sunny, with a high near 66. South southwest wind 8 to 13 mph, with gusts as high as 25 mph.
Mostly cloudy, with a low around 39. South southwest wind 5 to 8 mph.
Mostly sunny, with a high near 62. South wind 5 to 10 mph, with gusts as high as 20 mph.
Partly cloudy, with a low around 38. South wind around 6 mph.
Mostly sunny, with a high near 60. South southwest wind 3 to 10 mph, with gusts as high as 21 mph.
Partly cloudy, with a low around 36.
Sunny, with a high near 57.
Partly cloudy, with a low around 35.
Partly sunny, with a high near 55.
Mostly cloudy, with a low around 35.
A chance of rain after 11am. Partly sunny, with a high near 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 11
|
Partly Cloudy
|
41°F |
10 to 14 mph
SW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
66°F |
10 to 18 mph
SSW
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
42°F |
8 to 12 mph
SSW
|
|
Thursday
Nov 12
|
Partly Sunny
|
66°F |
8 to 13 mph
SSW
|
|
Thursday Night
Nov 12
|
Mostly Cloudy
|
39°F |
5 to 8 mph
SSW
|
|
Friday
Nov 13
|
Mostly Sunny
|
62°F |
5 to 10 mph
S
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
38°F |
6 mph
S
|
|
Saturday
Nov 14
|
Mostly Sunny
|
60°F |
3 to 10 mph
SSW
|
|
Saturday Night
Nov 14
|
Partly Cloudy
|
36°F |
8 mph
SSW
|
|
Sunday
Nov 15
|
Sunny
|
57°F |
7 to 17 mph
SW
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
35°F |
9 mph
SSW
|
|
Monday
Nov 16
|
Partly Sunny
|
55°F |
5 to 8 mph
SSW
|
|
Monday Night
Nov 16
|
Mostly Cloudy
|
35°F |
5 mph
SW
|
|
Tuesday
Nov 17
|
Chance Light Rain
|
50°F |
5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sun River.