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

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

NA

54°F

12°C

Humidity 35%
Wind Speed ESE 4 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 13 Nov 12:30 PM MST
Extended Forecast for

7 Miles ENE Big Sky MT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 55. South wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. South wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain between 2pm and 5pm. Partly sunny, with a high near 50. South southwest wind around 6 mph. Chance of precipitation is 20%.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of rain between 7pm and 8pm. Partly cloudy, with a low around 32. Light south southwest wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. South wind around 10 mph, with gusts as high as 21 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. South wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49. South wind around 9 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain before 8pm, then a chance of snow. Mostly cloudy, with a low around 33. South wind 3 to 8 mph.

    Low: 33 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow before 2pm, then rain and snow. Mostly cloudy, with a high near 42.

    High: 42 °F

    Snow then
    Rain/Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 55. South wind 8 to 13 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 36. South wind 6 to 9 mph, with gusts as high as 21 mph.
Saturday
A slight chance of rain between 2pm and 5pm. Partly sunny, with a high near 50. South southwest wind around 6 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain between 7pm and 8pm. Partly cloudy, with a low around 32. Light south southwest wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 48. South wind around 10 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 32. South wind 8 to 10 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 49. South wind around 9 mph, with gusts as high as 20 mph.
Monday Night
A slight chance of rain before 8pm, then a chance of snow. Mostly cloudy, with a low around 33. South wind 3 to 8 mph.
Tuesday
Snow before 2pm, then rain and snow. Mostly cloudy, with a high near 42.
Tuesday Night
Snow. Cloudy, with a low around 28.
Wednesday
A chance of snow. Partly sunny, with a high near 39.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 22.
Thursday
A chance of snow. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ENE Big Sky MT
 45.31°N 111.2°W (Elev. 6234 ft)
Last Update:
11:31 am MST Nov 13, 2026
Forecast Valid:
12pm MST Nov 13, 2026-6pm MST Nov 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation