Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

43°F

6°C

Humidity 56%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 13 Mar 01:15 PM MDT
Extended Forecast for

Mammoth Hot Springs WY

Winter Weather Advisory March 14, 06:00am until March 14, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: A chance of rain showers before 2pm, then a chance of rain and snow showers between 2pm and 3pm, then a chance of rain showers after 3pm.  Mostly cloudy, with a high near 48. Breezy, with a west wind 13 to 16 mph, with gusts as high as 32 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: A chance of rain showers before 4am, then a chance of rain and snow showers.  Snow level 7600 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 38. West northwest wind 6 to 14 mph becoming east southeast in the evening. Winds could gust as high as 33 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 38 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday

    Saturday: Rain and snow showers, becoming all snow after 3pm. Some thunder is also possible.  Snow level 6500 feet lowering to 5700 feet in the afternoon . High near 46. Windy, with a west southwest wind 11 to 16 mph becoming northwest 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow and
    Windy

  • Saturday Night

    Saturday Night: Snow showers likely, mainly before midnight.  Mostly cloudy, with a low around 14. Blustery, with a northwest wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 37 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Blustery.
    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 33. West northwest wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 23. West wind 6 to 9 mph becoming south southwest after midnight. Winds could gust as high as 22 mph.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Monday

    Monday: A chance of snow showers before noon, then a chance of rain and snow showers.  Mostly cloudy, with a high near 45. South southwest wind 8 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    High: 45 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A 40 percent chance of showers, mainly before midnight.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of rain showers before 2pm, then a chance of rain and snow showers between 2pm and 3pm, then a chance of rain showers after 3pm. Mostly cloudy, with a high near 48. Breezy, with a west wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
A chance of rain showers before 4am, then a chance of rain and snow showers. Snow level 7600 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 38. West northwest wind 6 to 14 mph becoming east southeast in the evening. Winds could gust as high as 33 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
Rain and snow showers, becoming all snow after 3pm. Some thunder is also possible. Snow level 6500 feet lowering to 5700 feet in the afternoon . High near 46. Windy, with a west southwest wind 11 to 16 mph becoming northwest 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 14. Blustery, with a northwest wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
Partly sunny, with a high near 33. West northwest wind 6 to 10 mph, with gusts as high as 23 mph.
Sunday Night
A 30 percent chance of snow showers after midnight. Mostly cloudy, with a low around 23. West wind 6 to 9 mph becoming south southwest after midnight. Winds could gust as high as 22 mph.
Monday
A chance of snow showers before noon, then a chance of rain and snow showers. Mostly cloudy, with a high near 45. South southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Monday Night
A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 38.
Tuesday
Mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
1:02 pm MDT Mar 13, 2026
1pm MDT Mar 13, 2026-6pm MDT Mar 19, 2026
 
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