National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.

unknown precip

41°F

5°C

Humidity 81%
Wind Speed SE 8 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 16 Mar 07:15 PM MDT
Extended Forecast for

6 Miles ESE Big Sky MT

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 36. South wind 5 to 7 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. South wind 5 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Southwest wind 5 to 7 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. South southwest wind 6 to 13 mph, with gusts as high as 29 mph.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. South southwest wind 5 to 10 mph, with gusts as high as 22 mph.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63. South southwest wind 6 to 13 mph, with gusts as high as 25 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 36. South wind 5 to 7 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 50. South wind 5 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 40. Southwest wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 58. South southwest wind 6 to 13 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly cloudy, with a low around 41. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 61. South southwest wind 5 to 10 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 42. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 63. South southwest wind 6 to 13 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 43.
Saturday
A slight chance of rain. Mostly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A slight chance of rain. Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 30.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
Last Update:
7:23 pm MDT Mar 16, 2026
Forecast Valid:
7pm MDT Mar 16, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation