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

59°F

15°C

Humidity 21%
Wind Speed SSW 6 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 17 Oct 06:15 PM MDT
Extended Forecast for

6 Miles ENE Mammoth WY

  • Tonight

    Tonight: Areas of frost between 2am and 5am.  Otherwise, mostly clear, with a low around 32. North wind around 7 mph becoming east after midnight.

    Low: 32 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Widespread frost before 9am.  Otherwise, mostly sunny, with a high near 61. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.

    High: 61 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. Light and variable wind becoming east 5 to 8 mph in the evening.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. South southeast wind around 5 mph becoming calm  after midnight.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of frost between 2am and 5am. Otherwise, mostly clear, with a low around 32. North wind around 7 mph becoming east after midnight.
Sunday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 61. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 31. Light and variable wind becoming east 5 to 8 mph in the evening.
Monday
Sunny, with a high near 62. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 34. South southeast wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 61. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 36. Calm wind.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 63.
Thursday Night
Showers likely. Mostly cloudy, with a low around 40.
Friday
Showers. Mostly cloudy, with a high near 52.
Friday Night
Rain and snow showers. Mostly cloudy, with a low around 35.
Saturday
A chance of rain and snow showers. Snow level 6700 feet rising to 7400 feet in the afternoon. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Mammoth WY
 44.99°N 110.57°W (Elev. 5801 ft)
6:01 pm MDT Oct 17, 2026
7pm MDT Oct 17, 2026-6pm MDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database