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

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

33°F

1°C

Humidity 69%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 14 Apr 12:15 AM MDT
Extended Forecast for

5 Miles SSW 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

  • Overnight

    Overnight: Mostly cloudy, with a low around 27. South wind around 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Breezy, with a southwest wind 5 to 15 mph, with gusts as high as 31 mph.

    High: 41 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. Breezy, with a south southwest wind 13 to 16 mph, with gusts as high as 31 mph.

    Low: 28 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Snow showers, mainly after noon. Some thunder is also possible. High near 40. Breezy, with a south southwest wind 13 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 40 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers, possibly mixed with rain, becoming all snow after 9pm. Some thunder is also possible. Low around 28. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 28 °F

    Breezy.
    Rain/Snow
    then Snow
    Showers

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 31. Southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.

    High: 31 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers, mainly before midnight. Low around 15. North wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    Low: 15 °F

    Snow Showers
    then Chance
    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly after noon. Partly sunny, with a high near 31. Chance of precipitation is 70%.

    High: 31 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 27. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 41. Breezy, with a southwest wind 5 to 15 mph, with gusts as high as 31 mph.
Tuesday Night
Partly cloudy, with a low around 28. Breezy, with a south southwest wind 13 to 16 mph, with gusts as high as 31 mph.
Wednesday
Snow showers, mainly after noon. Some thunder is also possible. High near 40. Breezy, with a south southwest wind 13 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Snow showers, possibly mixed with rain, becoming all snow after 9pm. Some thunder is also possible. Low around 28. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Thursday
Snow showers. Some thunder is also possible. High near 31. Southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Thursday Night
Snow showers, mainly before midnight. Low around 15. North wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Friday
Snow showers likely, mainly after noon. Partly sunny, with a high near 31. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 13.
Saturday
Sunny, with a high near 39.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 29.
Monday
A slight chance of rain and snow showers. Mostly sunny, with a high near 49. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Mammoth Hot Springs WY
 44.89°N 110.74°W (Elev. 7402 ft)
Last Update:
11:47 pm MDT Apr 13, 2026
Forecast Valid:
1am MDT Apr 14, 2026-6pm MDT Apr 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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