Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

30°F

-1°C

Humidity 36%
Wind Speed SSW 11 MPH
Barometer NA
Dewpoint 6°F (-14°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 11 Mar 01:15 PM MDT
Extended Forecast for

Mammoth WY

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

    This Afternoon: Partly sunny, with a high near 37. Breezy, with a south southwest wind 20 to 22 mph, with gusts as high as 33 mph.

    High: 37 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Snow showers likely, mainly between 11pm and 1am.  Mostly cloudy, with a steady temperature around 35. Breezy, with a south wind 18 to 21 mph, with gusts as high as 40 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Snow Showers
    Likely and
    Breezy

  • Thursday

    Thursday: Scattered rain and snow showers before 3pm, then scattered rain showers.  Snow level rising to 6700 feet in the afternoon. Partly sunny, with a high near 49. Windy, with a southwest wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 50 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 49 °F

    Scattered
    Rain/Snow and
    Windy

  • Thursday Night

    Thursday Night: Rain showers likely before 9pm, then rain and snow showers likely.  Snow level 6000 feet. Mostly cloudy, with a low around 37. Breezy, with a west wind 14 to 23 mph, with gusts as high as 47 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    Likely and
    Breezy

  • Friday

    Friday: Rain, possibly mixed with snow showers.  Snow level rising to 6800 feet in the afternoon. High near 47. Breezy, with a west southwest wind 14 to 18 mph, with gusts as high as 36 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: Rain, possibly mixed with snow showers.  Snow level 6700 feet. Low around 38. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%.

    Low: 38 °F

    Rain/Snow and
    Breezy

  • Saturday

    Saturday: Rain and snow showers. Some thunder is also possible.  Snow level 6700 feet lowering to 5700 feet in the afternoon . High near 46. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 44 mph.  Chance of precipitation is 100%.

    High: 46 °F

    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Snow showers likely, mainly before midnight.  Mostly cloudy, with a low around 17. Blustery.  Chance of precipitation is 70%.

    Low: 17 °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 36.

    High: 36 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 37. Breezy, with a south southwest wind 20 to 22 mph, with gusts as high as 33 mph.
Tonight
Snow showers likely, mainly between 11pm and 1am. Mostly cloudy, with a steady temperature around 35. Breezy, with a south wind 18 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Scattered rain and snow showers before 3pm, then scattered rain showers. Snow level rising to 6700 feet in the afternoon. Partly sunny, with a high near 49. Windy, with a southwest wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Rain showers likely before 9pm, then rain and snow showers likely. Snow level 6000 feet. Mostly cloudy, with a low around 37. Breezy, with a west wind 14 to 23 mph, with gusts as high as 47 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow showers. Snow level rising to 6800 feet in the afternoon. High near 47. Breezy, with a west southwest wind 14 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
Rain, possibly mixed with snow showers. Snow level 6700 feet. Low around 38. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Saturday
Rain and snow showers. Some thunder is also possible. Snow level 6700 feet lowering to 5700 feet in the afternoon . High near 46. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 44 mph. Chance of precipitation is 100%.
Saturday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 17. Blustery. Chance of precipitation is 70%.
Sunday
A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 36.
Sunday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 26.
Monday
A chance of rain and snow showers. Mostly cloudy, with a high near 47.
Monday Night
A chance of showers. Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
1:50 pm MDT Mar 11, 2026
2pm MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
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