Current conditions at
Karst US-191 MP 55.3 (MTKAR)
Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.unknown precip
55°F
13°C
| Humidity | 89% |
| Wind Speed | NW 5 MPH |
| Barometer | NA |
| Dewpoint | 52°F (11°C) |
| Visibility | NA |
| Last update | 15 Jul 06:00 AM MDT |
Extended Forecast for
4 Miles E Big Sky MT
Today
High: 76 °F
Slight Chance
Showers then
ShowersTonight
Low: 45 °F
Showers then
Chance
Showers and
Patchy FogWednesday
High: 76 °F
Patchy Fog
then Mostly
SunnyWednesday Night
Low: 46 °F
Mostly Clear
Thursday
High: 86 °F
Sunny
Thursday Night
Low: 48 °F
Mostly Clear
Friday
High: 86 °F
Sunny then
Slight Chance
T-stormsFriday Night
Low: 49 °F
Partly Cloudy
Saturday
High: 87 °F
Sunny then
Slight Chance
T-storms
Detailed Forecast
Today
A chance of showers and thunderstorms before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 76. Calm wind becoming northeast 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 1am, then a slight chance of showers between 1am and 5am. Patchy fog after 5am. Low around 45. Northeast wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%.
Wednesday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 46. North northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 86. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 48. West wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Friday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 86. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 49. West wind around 6 mph becoming calm in the evening.
Saturday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 83.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles E Big Sky MT
45.26°N 111.26°W (Elev. 5997 ft)
45.26°N 111.26°W (Elev. 5997 ft)
4:23 am MDT Jul 15, 2025
6am MDT Jul 15, 2025-6pm MDT Jul 21, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
