Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest

More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

28°F

-2°C

Humidity 72%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 23 Mar 01:30 AM MDT
Extended Forecast for

13 Miles ESE Big Sky MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 30. South southwest wind around 13 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44. Southwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. West southwest wind around 18 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon.  Mostly cloudy, with a high near 45. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 36 mph.

    High: 45 °F

    Partly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before midnight.  Mostly cloudy, with a low around 39. Breezy, with a southwest wind 26 to 28 mph, with gusts as high as 39 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 39 °F

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 48. Windy, with a southwest wind 26 to 34 mph, with gusts as high as 50 mph.

    High: 48 °F

    Mostly Sunny
    and Breezy
    then Slight
    Chance Snow
    and Windy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 26. Windy, with a west southwest wind 28 to 33 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 48 mph.  Little or no snow accumulation expected.

    Low: 26 °F

    Mostly Cloudy
    and Windy
    then Chance
    Snow Showers

  • Thursday

    Thursday: A chance of snow showers, mainly before noon.  Mostly sunny, with a high near 34. West northwest wind 17 to 21 mph, with gusts as high as 32 mph.

    High: 34 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 30. South southwest wind around 13 mph.
Monday
Partly sunny, with a high near 44. Southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 34. West southwest wind around 18 mph, with gusts as high as 23 mph.
Tuesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 45. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 36 mph.
Tuesday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 39. Breezy, with a southwest wind 26 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 48. Windy, with a southwest wind 26 to 34 mph, with gusts as high as 50 mph.
Wednesday Night
A 40 percent chance of snow showers after midnight. Mostly cloudy, with a low around 26. Windy, with a west southwest wind 28 to 33 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 48 mph. Little or no snow accumulation expected.
Thursday
A chance of snow showers, mainly before noon. Mostly sunny, with a high near 34. West northwest wind 17 to 21 mph, with gusts as high as 32 mph.
Thursday Night
Mostly clear, with a low around 17.
Friday
Sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Big Sky MT
 45.23°N 111.07°W (Elev. 9354 ft)
12:51 am MDT Mar 23, 2026
1am MDT Mar 23, 2026-6pm MDT Mar 29, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database