Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

Lat: 44.98°NLon: -110.69°WElev: 6299ft.

NA

39°F

4°C

Humidity 67%
Wind Speed NNE 1 G 3 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 12 Feb 10:15 am MST
Extended Forecast for

Mammoth WY

  • Today

    Today: Partly sunny, with a high near 46. South southwest wind 8 to 11 mph.

    Partly Sunny

    High: 46 °F

  • Tonight

    Tonight: Isolated snow showers after 5am.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 29. South southwest wind around 10 mph.  Chance of precipitation is 10%.

    Patchy Fog
    then Isolated
    Snow Showers
    and Patchy
    Fog

    Low: 29 °F

  • Saturday

    Saturday: Scattered snow showers, mainly after 8am.  Areas of fog before 11am.  Otherwise, cloudy, with a high near 42. South wind 8 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Scattered
    Snow Showers
    and Areas Fog

    High: 42 °F

  • Saturday
    Night

    Saturday Night: A 40 percent chance of snow.  Cloudy, with a low around 23. West southwest wind 9 to 14 mph, with gusts as high as 20 mph.  New snow accumulation of less than a half inch possible.

    Chance Snow

    Low: 23 °F

  • Sunday

    Sunday: A chance of snow before 11am, then a chance of rain and snow.  Cloudy, with a high near 38. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Chance
    Rain/Snow

    High: 38 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of snow.  Cloudy, with a low around 25. West wind 8 to 13 mph.

    Chance Snow

    Low: 25 °F

  • Washington's
    Birthday

    Washington's Birthday: A chance of snow before 11am, then a chance of rain.  Cloudy, with a high near 43. Southwest wind 13 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%.

    Chance
    Rain/Snow
    then Chance
    Rain

    High: 43 °F

  • Monday
    Night

    Monday Night: A slight chance of rain and snow before 11pm, then a slight chance of snow.  Cloudy, with a low around 31. Chance of precipitation is 20%.

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

    Low: 31 °F

  • Tuesday

    Tuesday: A 20 percent chance of snow before 11am.  Mostly cloudy, with a high near 44.

    Slight Chance
    Snow then
    Mostly Cloudy

    High: 44 °F

Detailed Forecast

Today
Partly sunny, with a high near 46. South southwest wind 8 to 11 mph.
Tonight
Isolated snow showers after 5am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 29. South southwest wind around 10 mph. Chance of precipitation is 10%.
Saturday
Scattered snow showers, mainly after 8am. Areas of fog before 11am. Otherwise, cloudy, with a high near 42. South wind 8 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Saturday Night
A 40 percent chance of snow. Cloudy, with a low around 23. West southwest wind 9 to 14 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow before 11am, then a chance of rain and snow. Cloudy, with a high near 38. Southwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday Night
A 30 percent chance of snow. Cloudy, with a low around 25. West wind 8 to 13 mph.
Washington's Birthday
A chance of snow before 11am, then a chance of rain. Cloudy, with a high near 43. Southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of rain and snow before 11pm, then a slight chance of snow. Cloudy, with a low around 31. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
A slight chance of rain and snow. Cloudy, with a low around 30.
Thursday
A chance of rain and snow. Cloudy, with a high near 42.
Click Map For Forecast
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
9:27 am MST Feb 12, 2016
11am MST Feb 12, 2016-6pm MST Feb 18, 2016
 
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Additional Resources

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