Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. 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 76%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 02 Mar 04:15 AM MST
Extended Forecast for

Mammoth WY

  • Overnight

    Overnight: A 40 percent chance of rain.  Snow level 6600 feet. Mostly cloudy, with a low around 34. South southeast wind around 5 mph.

    Low: 34 °F

    Chance Rain

  • Monday

    Monday: A slight chance of rain before 8am, then a chance of rain and snow.  Snow level 6400 feet rising to 7300 feet in the afternoon. Mostly cloudy, with a high near 48. South southeast wind around 5 mph becoming calm.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 27 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 51. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. South wind around 9 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow showers between 11am and 2pm, then a chance of rain showers after 2pm.  Snow level rising to 6700 feet in the afternoon. Mostly cloudy, with a high near 47. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 47 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers.  Snow level 6900 feet lowering to 6000 feet after midnight . Low around 33. South southwest wind 6 to 10 mph becoming northwest after midnight.  Chance of precipitation is 80%.

    Low: 33 °F

    Rain/Snow

  • Thursday

    Thursday: Snow showers likely, mainly before 11am.  Mostly cloudy, with a high near 41. Chance of precipitation is 70%.

    High: 41 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Overnight
A 40 percent chance of rain. Snow level 6600 feet. Mostly cloudy, with a low around 34. South southeast wind around 5 mph.
Monday
A slight chance of rain before 8am, then a chance of rain and snow. Snow level 6400 feet rising to 7300 feet in the afternoon. Mostly cloudy, with a high near 48. South southeast wind around 5 mph becoming calm. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 51. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32. South wind around 9 mph.
Wednesday
A chance of rain and snow showers between 11am and 2pm, then a chance of rain showers after 2pm. Snow level rising to 6700 feet in the afternoon. Mostly cloudy, with a high near 47. South southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Rain and snow showers. Snow level 6900 feet lowering to 6000 feet after midnight . Low around 33. South southwest wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 80%.
Thursday
Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 41. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 25.
Friday
A 20 percent chance of snow showers. Partly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 25.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 42.
Saturday Night
A slight chance of rain and snow showers. Snow level 5800 feet. Mostly cloudy, with a low around 33.
Sunday
A chance of rain and snow showers. Snow level 5800 feet. Partly sunny, with a high near 45. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
3:18 am MST Mar 2, 2026
4am MST Mar 2, 2026-6pm MDT Mar 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

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