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

22°F

-6°C

Humidity 76%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 18 Apr 02:15 AM MDT
Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

  • Overnight

    Overnight: Mostly clear, with a low around 12. South southwest wind 6 to 8 mph.

    Low: 12 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 40. Wind chill values as low as zero. Breezy, with a southwest wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 40 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20. South wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 51. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. South wind around 7 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 57. South wind 6 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. Southwest wind 6 to 9 mph becoming south southeast after midnight. Winds could gust as high as 21 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 12. South southwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 40. Wind chill values as low as zero. Breezy, with a southwest wind 8 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 20. South wind 7 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 51. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 28. South wind around 7 mph.
Monday
Sunny, with a high near 57. South wind 6 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 33. Southwest wind 6 to 9 mph becoming south southeast after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Rain showers likely before 3pm, then rain and snow showers likely. Some thunder is also possible. Snow level 8600 feet lowering to 7900 feet in the afternoon . Mostly sunny, with a high near 49. Breezy. Chance of precipitation is 60%.
Wednesday Night
Rain and snow showers. Mostly cloudy, with a low around 30.
Thursday
Snow showers. Mostly cloudy, with a high near 38.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 21.
Friday
A chance of snow showers. Partly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Mammoth Hot Springs WY
 44.89°N 110.74°W (Elev. 7402 ft)
Last Update:
2:48 am MDT Apr 18, 2026
Forecast Valid:
3am MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
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