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

13°F

-11°C

Humidity 53%
Wind Speed S 5 MPH
Barometer NA
Dewpoint -1°F (-18°C)
Visibility NA
Wind Chill5°F (-15°C)
Last update 11 Mar 07:15 AM MDT
Extended Forecast for

Mammoth WY

Winter Storm Watch March 11, 06:00pm until March 14, 06:00pm
Click here for hazard details and duration
Winter Storm Watch
  • Today

    Today: Mostly sunny, with a high near 33. Breezy, with a southeast wind 5 to 10 mph becoming southwest 13 to 18 mph in the morning. Winds could gust as high as 30 mph.

    High: 33 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly after 9pm.  Mostly cloudy, with a low around 33. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 26 mph.  New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of snow showers before noon, then rain and snow showers likely.  Snow level rising to 6500 feet in the afternoon. Mostly cloudy, with a high near 47. Windy, with a southwest wind 15 to 25 mph, with gusts as high as 38 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    Likely and
    Windy

  • Thursday Night

    Thursday Night: A chance of rain showers before 9pm, then rain and snow showers likely.  Snow level 6100 feet. Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 14 to 18 mph, with gusts as high as 34 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow
    Likely and
    Breezy

  • Friday

    Friday: Rain, possibly mixed with snow showers, becoming all rain after 3pm.  Snow level 6200 feet rising to 7000 feet in the afternoon. High near 48. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 37 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: Showers likely.  Mostly cloudy, with a low around 39. Breezy, with a southwest wind 13 to 17 mph, with gusts as high as 34 mph.  Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely and
    Breezy

  • Saturday

    Saturday: Rain and snow showers. Some thunder is also possible.  Snow level 6900 feet lowering to 5900 feet in the afternoon . High near 46. Breezy, with a southwest wind 13 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 43 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 19. Blustery.  Chance of precipitation is 60%.

    Low: 19 °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

Today
Mostly sunny, with a high near 33. Breezy, with a southeast wind 5 to 10 mph becoming southwest 13 to 18 mph in the morning. Winds could gust as high as 30 mph.
Tonight
A 50 percent chance of snow showers, mainly after 9pm. Mostly cloudy, with a low around 33. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers before noon, then rain and snow showers likely. Snow level rising to 6500 feet in the afternoon. Mostly cloudy, with a high near 47. Windy, with a southwest wind 15 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A chance of rain showers before 9pm, then rain and snow showers likely. Snow level 6100 feet. Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 14 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow showers, becoming all rain after 3pm. Snow level 6200 feet rising to 7000 feet in the afternoon. High near 48. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
Showers likely. Mostly cloudy, with a low around 39. Breezy, with a southwest wind 13 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.
Saturday
Rain and snow showers. Some thunder is also possible. Snow level 6900 feet lowering to 5900 feet in the afternoon . High near 46. Breezy, with a southwest wind 13 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 100%.
Saturday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 19. Blustery. Chance of precipitation is 60%.
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 28.
Monday
A chance of rain and snow showers. Mostly cloudy, with a high near 48.
Monday Night
A slight 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)
6:33 am MDT Mar 11, 2026
7am MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
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