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

Spring Weather Hazards Across the U.S. Thursday

Gusty winds and low relative humidity will bring critical fire weather to the central and southern Plains and south Texas Thursday. Widespread high winds will continue to impact the interior Northwest, northern Plains, and Upper Midwest Thursday. A storm tracking across the northern Plains, Great Lakes and into the Northeast U.S. will bring heavy snow and gusty winds Thursday into Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

35°F

2°C

Humidity 54%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 12 Mar 04:15 AM MDT
Extended Forecast for

Mammoth WY

Winter Weather Advisory March 12, 04:36am until March 13, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 12, 04:36am until March 13, 12:00am

    NOW until 12:00am Fri

    Winter Weather Advisory

  • Overnight

    Low: 36 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of snow showers before 9am, then a chance of rain and snow showers between 9am and noon, then a chance of rain showers after noon. Snow level rising to 7000 feet in the afternoon. Partly sunny, with a high near 45. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 45 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain showers before 7pm, then rain and snow showers likely. Snow level 6200 feet. Mostly cloudy, with a low around 39. Breezy, with a west northwest wind 9 to 17 mph becoming south southwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow
    Likely and
    Breezy

  • Friday

    Friday: Rain, possibly mixed with snow showers. Snow level 6000 feet rising to 7000 feet in the afternoon. High near 47. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: Rain, possibly mixed with snow showers, becoming all rain after midnight. Snow level 7200 feet lowering to 6500 feet after midnight . Low around 39. Breezy, with a west southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow and
    Breezy then
    Showers
    Likely

  • Saturday

    Saturday: Rain and snow showers, becoming all snow after 3pm. Some thunder is also possible. Snow level 6300 feet lowering to 5700 feet in the afternoon . High near 43. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 100%.

    High: 43 °F

    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 14. Blustery, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 70%.

    Low: 14 °F

    Snow Showers
    Likely and
    Blustery then
    Chance Snow
    Showers

  • Sunday

    Sunday: A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 33.

    High: 33 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
A 30 percent chance of snow showers, mainly before 5am. Mostly cloudy, with a steady temperature around 36. Breezy, with a south southwest wind around 15 mph, with gusts as high as 24 mph. Total nighttime snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers before 9am, then a chance of rain and snow showers between 9am and noon, then a chance of rain showers after noon. Snow level rising to 7000 feet in the afternoon. Partly sunny, with a high near 45. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
A chance of rain showers before 7pm, then rain and snow showers likely. Snow level 6200 feet. Mostly cloudy, with a low around 39. Breezy, with a west northwest wind 9 to 17 mph becoming south southwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow showers. Snow level 6000 feet rising to 7000 feet in the afternoon. High near 47. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain, possibly mixed with snow showers, becoming all rain after midnight. Snow level 7200 feet lowering to 6500 feet after midnight . Low around 39. Breezy, with a west southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
Rain and snow showers, becoming all snow after 3pm. Some thunder is also possible. Snow level 6300 feet lowering to 5700 feet in the afternoon . High near 43. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 100%.
Saturday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 14. Blustery, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 70%.
Sunday
A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 33.
Sunday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 25.
Monday
A chance of snow showers before noon, then a chance of rain and snow showers. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
3:18 am MDT Mar 12, 2026
Forecast Valid:
4am MDT Mar 12, 2026-6pm MDT Mar 18, 2026
 
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