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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

37°F

3°C

Humidity 64%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 17 Oct 06:15 AM MDT
Extended Forecast for

4 Miles SSW Mammoth Hot Springs WY

  • Today

    Today: Mostly sunny, with a high near 53. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 53 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 28. South southwest wind 7 to 11 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54. Southwest wind 6 to 9 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. South wind 6 to 8 mph.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54. South southeast wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. South wind 5 to 7 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 53. South southeast wind around 6 mph.

    High: 53 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 53. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 28. South southwest wind 7 to 11 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 54. Southwest wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 29. South wind 6 to 8 mph.
Monday
Sunny, with a high near 54. South southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 30. South wind 5 to 7 mph.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 53. South southeast wind around 6 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
A chance of showers. Partly sunny, with a high near 53.
Thursday Night
Rain and snow showers. Mostly cloudy, with a low around 33.
Friday
Rain and snow showers. Snow level 8900 feet lowering to 7700 feet in the afternoon . Mostly cloudy, with a high near 40.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Mammoth Hot Springs WY
 44.91°N 110.74°W (Elev. 7385 ft)
Last Update:
7:02 am MDT Oct 17, 2026
Forecast Valid:
7am MDT Oct 17, 2026-6pm MDT Oct 23, 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