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Current conditions at
Karst US-191 MP 55.3 (MTKAR)
Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.unknown precip
37°F
3°C
| Humidity | 57% |
| Wind Speed | ESE 2 MPH |
| Barometer | NA |
| Dewpoint | 23°F (-5°C) |
| Visibility | NA |
| Last update | 29 Jan 03:15 PM MST |
Extended Forecast for
15 Miles ENE Big Sky MT
This Afternoon

High: 23 °F
Chance Snow
Tonight
Low: 17 °F
Chance Snow
then Mostly
CloudyFriday

High: 27 °F
Slight Chance
SnowFriday Night

Low: 23 °F
Mostly Cloudy
and BreezySaturday

High: 32 °F
Mostly Sunny
Saturday Night

Low: 20 °F
Mostly Cloudy
Sunday

High: 34 °F
Partly Sunny
Sunday Night

Low: 21 °F
Mostly Cloudy
Monday

High: 28 °F
Slight Chance
Snow
Detailed Forecast
This Afternoon
A 30 percent chance of snow, mainly after 5pm. Mostly cloudy, with a high near 23. West wind around 14 mph, with gusts as high as 23 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
A 30 percent chance of snow before 8pm. Mostly cloudy, with a low around 17. West southwest wind around 14 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 27. West wind around 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 23. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 28 mph.
Saturday
Mostly sunny, with a high near 32. Southwest wind 14 to 20 mph, with gusts as high as 26 mph.
Saturday Night
Mostly cloudy, with a low around 20. South southwest wind around 15 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 34. South wind 14 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 21. South wind 15 to 17 mph, with gusts as high as 24 mph.
Monday
A slight chance of snow. Mostly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 18.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Sunny, with a high near 37.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
15 Miles ENE Big Sky MT
45.32°N 111.05°W (Elev. 8901 ft)
45.32°N 111.05°W (Elev. 8901 ft)
1:57 pm MST Jan 29, 2026
3pm MST Jan 29, 2026-6pm MST Feb 5, 2026


