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

Widespread Wintry Weather Continues From the Central Rockies to the Northeast

A winter storm will track slowly from the Central Rockies to the Lower Mississippi River Valley by Monday before strengthening and shifting into the Northeast by Tuesday. Heavy snow will continue over the Central Rockies into Sunday. A swath of mixed wintry precipitation including snow and freezing rain will cause hazardous travel from the Central Plains into the Northeast Sunday and Monday. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6300ft.

NA

17°F

-8°C

Humidity 70%
Wind Speed ESE 4 MPH
Barometer 1009.82 mb
Dewpoint 9°F (-13°C)
Visibility NA
Wind Chill11°F (-12°C)
Last update 15 Dec 12:15 AM MST
Extended Forecast for

17 Miles SE Big Sky MT

  • Overnight

    Overnight: Partly cloudy, with a low around 4. Wind chill values as low as -5. Southwest wind around 8 mph.

    Partly Cloudy

    Low: 4 °F

  • Sunday

    Sunday: Isolated snow showers after 8am. Partly sunny, with a high near 17. Wind chill values as low as -10. West wind 6 to 9 mph. Chance of precipitation is 20%.

    Isolated Snow
    Showers

    High: 17 °F

  • Sunday
    Night

    Sunday Night: Isolated snow showers before 8pm. Mostly cloudy, with a low around 4. Wind chill values as low as -5. Southwest wind around 8 mph. Chance of precipitation is 20%.

    Isolated Snow
    Showers then
    Partly Cloudy

    Low: 4 °F

  • Monday

    Monday: Mostly sunny, with a high near 15. Wind chill values as low as -5. Southwest wind 6 to 10 mph.

    Mostly Sunny

    High: 15 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 1. South wind around 8 mph.

    Partly Cloudy

    Low: 1 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 16. South wind 7 to 10 mph.

    Mostly Sunny

    High: 16 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 9. South wind around 10 mph.

    Partly Cloudy

    Low: 9 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 26.

    Partly Sunny

    High: 26 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 11.

    Mostly Cloudy

    Low: 11 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 4. Wind chill values as low as -5. Southwest wind around 8 mph.
Sunday
Isolated snow showers after 8am. Partly sunny, with a high near 17. Wind chill values as low as -10. West wind 6 to 9 mph. Chance of precipitation is 20%.
Sunday Night
Isolated snow showers before 8pm. Mostly cloudy, with a low around 4. Wind chill values as low as -5. Southwest wind around 8 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 15. Wind chill values as low as -5. Southwest wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 1. South wind around 8 mph.
Tuesday
Mostly sunny, with a high near 16. South wind 7 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 9. South wind around 10 mph.
Wednesday
Partly sunny, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 11.
Thursday
A 10 percent chance of snow after 11am. Partly sunny, with a high near 24.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 17.
Friday
A chance of snow. Mostly cloudy, with a high near 29.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 20.
Saturday
A slight chance of snow. Mostly cloudy, with a high near 32.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
17 Miles SE Big Sky MT
 45.08°N 111.1°W (Elev. 7615 ft)
Last Update:
11:43 pm MST Dec 14, 2019
Forecast Valid:
1am MST Dec 15, 2019-6pm MST Dec 21, 2019
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation