Vigorous System Impacting the Northwest; Large System To Affect East

A potent storm system is delivering heavy rainfall, strong winds, rough surf and beach erosion along the Pacific Northwest coast with mountain snow inland. Expect a couple more systems to arrive late week into the weekend. Meanwhile, another developing large scale system will deliver a heavy rain and renewed flood threat to much of the East late Wednesday through Friday, which may impact travel. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

Lat: 44.97722°NLon: 110.69528°WElev: 6127ft.

NA

34°F

1°C

Humidity 69%
Wind Speed S 8 G 11 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 18 Dec 8:15 pm MST
Extended Forecast for

Mount Holmes WY

Winter Weather Advisory until December 19, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 19, 12:00pm

    NOW until
    12:00pm Wed

    Winter Weather Advisory

  • Tonight

    Tonight: Snow.  Areas of blowing snow. Low around 16. Wind chill values as low as zero. Windy, with a west southwest wind 23 to 26 mph, with gusts as high as 40 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Snow and
    Areas Blowing
    Snow

    Low: 16 °F

  • Wednesday

    Wednesday: Snow likely, mainly before 11am.  Areas of blowing snow. Mostly cloudy, with a high near 22. Wind chill values as low as zero. Windy, with a west wind 23 to 25 mph, with gusts as high as 38 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Snow Likely
    and Areas
    Blowing Snow

    High: 22 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 14. Wind chill values as low as -5. Breezy, with a west southwest wind around 18 mph, with gusts as high as 29 mph.

    Mostly Cloudy
    and Breezy

    Low: 14 °F

  • Thursday

    Thursday: A 20 percent chance of snow before 11am.  Partly sunny, with a high near 24. Wind chill values as low as zero. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 33 mph.

    Breezy.
    Slight Chance
    Snow then
    Mostly Sunny

    High: 24 °F

  • Thursday
    Night

    Thursday Night: A 50 percent chance of snow after 11pm.  Mostly cloudy, with a low around 17. Breezy, with a south southwest wind around 23 mph, with gusts as high as 34 mph.  New snow accumulation of 1 to 2 inches possible.

    Chance Snow
    and Breezy

    Low: 17 °F

  • Friday

    Friday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 21. Windy, with a southwest wind 18 to 25 mph, with gusts as high as 38 mph.  Chance of precipitation is 70%.

    Snow Likely
    and Windy

    High: 21 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 6. Breezy, with a west southwest wind 11 to 16 mph, with gusts as high as 24 mph.

    Chance Snow
    and Breezy

    Low: 6 °F

  • Saturday

    Saturday: A 20 percent chance of snow before 11am.  Mostly cloudy, with a high near 14.

    Slight Chance
    Snow then
    Partly Sunny

    High: 14 °F

Detailed Forecast

Tonight
Snow. Areas of blowing snow. Low around 16. Wind chill values as low as zero. Windy, with a west southwest wind 23 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
Snow likely, mainly before 11am. Areas of blowing snow. Mostly cloudy, with a high near 22. Wind chill values as low as zero. Windy, with a west wind 23 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly cloudy, with a low around 14. Wind chill values as low as -5. Breezy, with a west southwest wind around 18 mph, with gusts as high as 29 mph.
Thursday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 24. Wind chill values as low as zero. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 33 mph.
Thursday Night
A 50 percent chance of snow after 11pm. Mostly cloudy, with a low around 17. Breezy, with a south southwest wind around 23 mph, with gusts as high as 34 mph. New snow accumulation of 1 to 2 inches possible.
Friday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 21. Windy, with a southwest wind 18 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 6. Breezy, with a west southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Saturday
A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 14.
Saturday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 6.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 16. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 10. Breezy.
Monday
A chance of snow. Cloudy, with a high near 19. Breezy.
Monday Night
A chance of snow. Cloudy, with a low around 10. Breezy.
Christmas Day
A chance of snow. Mostly cloudy, with a high near 19.
Click Map For Forecast
Point Forecast:
Mount Holmes WY
 44.82°N 110.88°W (Elev. 9600 ft)
7:58 pm MST Dec 18, 2018
8pm MST Dec 18, 2018-6pm MST Dec 25, 2018
 
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