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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
27°F
-3°C
| Humidity | 74% |
| Wind Speed | NNW 4 MPH |
| Barometer | NA |
| Dewpoint | 20°F (-7°C) |
| Visibility | NA |
| Wind Chill | 22°F (-6°C) |
| Last update | 21 Jan 04:00 PM MST |
Extended Forecast for
13 Miles ESE Big Sky MT
Tonight

Low: 6 °F
Partly Cloudy
Thursday

High: 16 °F
Partly Sunny
Thursday Night

Low: -1 °F
Mostly Cloudy
Friday

High: 4 °F
Slight Chance
SnowFriday Night

Low: -6 °F
Mostly Clear
Saturday

High: 9 °F
Mostly Sunny
Saturday Night

Low: 2 °F
Mostly Cloudy
Sunday

High: 14 °F
Mostly Sunny
Sunday Night

Low: 3 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 6. Wind chill values as low as -10. West wind 10 to 14 mph.
Thursday
Partly sunny, with a high near 16. Wind chill values as low as -10. West northwest wind 6 to 10 mph.
Thursday Night
Mostly cloudy, with a low around -1. Wind chill values as low as -15. North wind around 10 mph.
Friday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 4. Wind chill values as low as -20. North northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around -6. West wind 10 to 15 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 9. West northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 2. West southwest wind 14 to 17 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 14. Southwest wind 15 to 17 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 3.
Monday
Mostly sunny, with a high near 20.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Partly sunny, with a high near 23.
Tuesday Night
Partly cloudy, with a low around 12.
Wednesday
Mostly sunny, with a high near 27.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
13 Miles ESE Big Sky MT
45.23°N 111.07°W (Elev. 9354 ft)
45.23°N 111.07°W (Elev. 9354 ft)
1:32 pm MST Jan 21, 2026
4pm MST Jan 21, 2026-6pm MST Jan 28, 2026


