Big Sky, MT Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Big Sky, MT in one place.
A chance of rain showers between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 51. South wind 8 to 15 mph, with gusts as high as 39 mph. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for Big Sky, 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: Apr 9, 2026 2:04 PM MDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Big Sky, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:04 PM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Big Sky
Saturday looks like the warmest upcoming period in Big Sky at 51 degrees F.
Monday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Saturday at about 8 to 15 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:04 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- TFX
- Radar station
- KBLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 9pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. South southwest wind 6 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.
Snow showers. Mostly cloudy, with a high near 45. South wind 6 to 13 mph, with gusts as high as 31 mph.
Snow likely. Mostly cloudy, with a low around 28. South southwest wind 5 to 10 mph, with gusts as high as 28 mph. New snow accumulation of less than one inch possible.
Snow. Mostly cloudy, with a high near 37. New snow accumulation of 1 to 3 inches possible.
A chance of snow. Mostly cloudy, with a low around 27. New snow accumulation of 1 to 3 inches possible.
A chance of snow. Partly sunny, with a high near 40.
Partly cloudy, with a low around 27.
A chance of snow after noon. Partly sunny, with a high near 41.
A chance of snow. Mostly cloudy, with a low around 29. New snow accumulation of less than one inch possible.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Mostly Sunny then Chance Showers And Thunderstorms
|
51°F |
8 to 15 mph
S
|
|
Saturday Night
Apr 11
|
Chance Rain And Snow Showers
|
34°F |
6 to 14 mph
SSW
|
|
Sunday
Apr 12
|
Snow Showers
|
45°F |
6 to 13 mph
S
|
|
Sunday Night
Apr 12
|
Light Snow Likely
|
28°F |
5 to 10 mph
SSW
|
|
Monday
Apr 13
|
Light Snow
|
37°F |
5 to 8 mph
WSW
|
|
Monday Night
Apr 13
|
Chance Light Snow
|
27°F |
2 to 7 mph
WNW
|
|
Tuesday
Apr 14
|
Chance Light Snow
|
40°F |
2 to 9 mph
WSW
|
|
Tuesday Night
Apr 14
|
Partly Cloudy
|
27°F |
8 mph
SW
|
|
Wednesday
Apr 15
|
Partly Sunny then Chance Light Snow
|
41°F |
7 to 14 mph
SSW
|
|
Wednesday Night
Apr 15
|
Chance Light Snow
|
29°F |
6 to 12 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Big Sky.