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Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

45°F

7°C

Humidity 47%
Wind Speed S 9 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 14 Apr 03:15 PM MDT
Extended Forecast for

Mammoth Hot Springs WY

Winter Storm Watch April 15, 06:00pm until April 17, 06:00am
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 52. Breezy, with a south southwest wind around 15 mph, with gusts as high as 31 mph.

    High: 52 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Breezy, with a south wind 9 to 15 mph, with gusts as high as 31 mph.

    Low: 35 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Rain likely, possibly mixed with snow showers, becoming all rain after 5pm. Snow level rising to 7400 feet in the afternoon. Partly sunny, with a high near 49. Breezy, with a south southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 49 °F

    Breezy.
    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow showers, becoming all snow after 3am. Some thunder is also possible. Snow level 7500 feet lowering to 5700 feet after midnight . Low around 31. Breezy, with a south southwest wind 10 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 39. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 39 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 21. North northwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    Low: 21 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 38. North northwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 38 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 52. Breezy, with a south southwest wind around 15 mph, with gusts as high as 31 mph.
Tonight
Partly cloudy, with a low around 35. Breezy, with a south wind 9 to 15 mph, with gusts as high as 31 mph.
Wednesday
Rain likely, possibly mixed with snow showers, becoming all rain after 5pm. Snow level rising to 7400 feet in the afternoon. Partly sunny, with a high near 49. Breezy, with a south southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow showers, becoming all snow after 3am. Some thunder is also possible. Snow level 7500 feet lowering to 5700 feet after midnight . Low around 31. Breezy, with a south southwest wind 10 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers. Some thunder is also possible. High near 39. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 21. North northwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Friday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 38. North northwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 19.
Saturday
Sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
3:49 pm MDT Apr 14, 2026
Forecast Valid:
4pm MDT Apr 14, 2026-6pm MDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation