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

Severe Thunderstorms and Heavy Rain Across the Central US; Wintry Mix in the Northern Plains and Northeast

Severe thunderstorms and flash flooding are possible across the central U.S. through Saturday. Large hail, damaging winds, and tornadoes are all possible. There is an increased threat for wildfire development in the southern to central High Plains. A wintry mix of snow, sleet and freezing rain are forecast across portions of the northern Plains and central New England into early Friday morning. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

28°F

-2°C

Humidity 97%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 05 Mar 11:15 PM MST
Extended Forecast for

Mammoth Hot Springs WY

  • Overnight

    Overnight: Snow showers likely, mainly before 2am. Mostly cloudy, with a low around 24. Northwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow Showers
    Likely

  • Friday

    Friday: A 20 percent chance of snow showers before 10am. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 40. Breezy, with a north northwest wind 9 to 15 mph, with gusts as high as 20 mph.

    High: 40 °F

    Slight Chance
    Snow Showers
    and Patchy
    Fog

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Northwest wind 5 to 7 mph becoming calm.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of snow showers after 11am, mixing with rain after 2pm. Partly sunny, with a high near 42. Southwest wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers before 11pm. Snow level 6100 feet. Mostly cloudy, with a low around 33. South southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47. Breezy, with a southwest wind 11 to 17 mph, with gusts as high as 33 mph.

    High: 47 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm. Snow level 7300 feet lowering to 6700 feet after midnight . Mostly cloudy, with a low around 37. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 31 mph.

    Low: 37 °F

    Slight Chance
    Showers and
    Breezy

  • Monday

    Monday: A chance of rain and snow showers. Snow level 6300 feet. Partly sunny, with a high near 48. Breezy. Chance of precipitation is 50%.

    High: 48 °F

    Chance
    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: Rain and snow showers likely before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 27. Breezy. Chance of precipitation is 60%.

    Low: 27 °F

    Rain/Snow
    Likely and
    Breezy then
    Chance Snow
    Showers

Detailed Forecast

Overnight
Snow showers likely, mainly before 2am. Mostly cloudy, with a low around 24. Northwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 inches possible.
Friday
A 20 percent chance of snow showers before 10am. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 40. Breezy, with a north northwest wind 9 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 23. Northwest wind 5 to 7 mph becoming calm.
Saturday
A slight chance of snow showers after 11am, mixing with rain after 2pm. Partly sunny, with a high near 42. Southwest wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain and snow showers before 11pm. Snow level 6100 feet. Mostly cloudy, with a low around 33. South southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 47. Breezy, with a southwest wind 11 to 17 mph, with gusts as high as 33 mph.
Sunday Night
A 20 percent chance of showers after 11pm. Snow level 7300 feet lowering to 6700 feet after midnight . Mostly cloudy, with a low around 37. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 31 mph.
Monday
A chance of rain and snow showers. Snow level 6300 feet. Partly sunny, with a high near 48. Breezy. Chance of precipitation is 50%.
Monday Night
Rain and snow showers likely before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 27. Breezy. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of snow showers. Mostly sunny, with a high near 39. Breezy.
Tuesday Night
A slight chance of snow showers. Mostly cloudy, with a low around 23.
Wednesday
A chance of snow showers. Mostly sunny, with a high near 43. Breezy.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 33. Breezy.
Thursday
A chance of snow showers. Mostly sunny, with a high near 48. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
11:31 pm MST Mar 5, 2026
Forecast Valid:
12am MST Mar 6, 2026-6pm MDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation