Big Sky, MT Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Big Sky, MT Weather Forecast

Current Conditions

Settings
Big Sky MT weather  - Clear - 62°F
Clear
62°F
Updated 11:42 am
Feels Like 53°F
Humidity 45%
Wind VRB 3 mph
Barometer  29.92 in
Dew Point 41°F
Big Sky MT weather  - Clear - 17°C
Clear
17°C
Updated 11:42 am
Feels Like 12°C
Humidity 45%
Wind VRB 5 km/h
Barometer  101.3 kPa
Dew Point 5°C

Big Sky Weather Forecast

TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Big Sky, MT Weather - Today Windy Big Sky, MT Weather - Tonight Snow Showers Big Sky, MT Weather - Monday Mostly Sunny Big Sky, MT Weather - Monday Night Mostly Clear Big Sky, MT Weather - Tuesday Sunny Big Sky, MT Weather - Tuesday Night Partly Cloudy Big Sky, MT Weather - Wednesday Partly Cloudy Big Sky, MT Weather - Wednesday Night Mostly Clear Big Sky, MT Weather - Thursday Chance Of T-Storm Big Sky, MT Weather - Thursday Night Chance Of Showers Big Sky, MT Weather - Friday Rain Showers Big Sky, MT Weather - Friday Night Mostly Clear
Windy Snow Showers Mostly Sunny Mostly Clear Sunny Partly Cloudy Partly Cloudy Mostly Clear Chance of T-Storm Chance of Showers Rain Showers Mostly Clear
Hi: 65°FHi: 18°C
Lo: 35°FLo: 2°C Hi: 54°FHi: 12°C
Lo: 33°FLo: 1°C Hi: 61°FHi: 16°C
Hi: 60°FHi: 16°C
Lo: 37°FLo: 3°C
Hi: 60°FHi: 16°C
Lo: 37°FLo: 3°C
Lo: 36°FLo: 2°C Hi: 63°FHi: 17°C
Lo: 39°FLo: 4°C Hi: 64°FHi: 18°C
Hi: 67°FHi: 19°C
Lo: 40°FLo: 4°C
POP: 50% POP: 40% POP: 40% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 336 AM MDT Sun Sep 13 2026 Big Sky, MT Weather - WeatherWorld.com

Trending Headlines

Big Sky Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Big Sky Quick Facts

National Two Day Weather Forecast


E-mail the Big Sky Weather Forecast

Voice your opinion or tell us about page issues...

Big Sky Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 1113 AM MDT Sun Sep 13 2026

Key Messages

  • Windy at times today through Monday.
  • Increasing chance for showers and thunderstorms this afternoon into this evening.
  • Cooler afternoon temperatures early this week will give way to warmer and drier conditions next weekend.

Discussion

... /Issued 355 AM MDT Sun Sep 13 2026/
  • Meteorological Overview: A closed upper level low is approaching Montana from the west this morning. Thus expect increasing clouds this afternoon, along with increasing chances for showers/thunderstorms by this even...