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

31°F

-1°C

Humidity 61%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 19 Apr 01:15 AM MDT
Extended Forecast for

16 Miles W Gardiner MT

  • Overnight

    Overnight: Mostly clear, with a low around 21. South wind around 6 mph.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 46. South wind 5 to 10 mph.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. South southwest wind 6 to 9 mph becoming southeast in the evening.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 51. South southwest wind 5 to 10 mph, with gusts as high as 23 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. South southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. South wind 6 to 13 mph, with gusts as high as 28 mph.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 35. South wind 7 to 11 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before noon, then snow showers likely. Some thunder is also possible. Partly sunny, with a high near 42. Breezy. Chance of precipitation is 70%.

    High: 42 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Snow
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 25. Breezy. Chance of precipitation is 90%.

    Low: 25 °F

    Snow Showers
    and Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 21. South wind around 6 mph.
Sunday
Sunny, with a high near 46. South wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 28. South southwest wind 6 to 9 mph becoming southeast in the evening.
Monday
Sunny, with a high near 51. South southwest wind 5 to 10 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 31. South southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 54. South wind 6 to 13 mph, with gusts as high as 28 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 35. South wind 7 to 11 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of rain and snow showers before noon, then snow showers likely. Some thunder is also possible. Partly sunny, with a high near 42. Breezy. Chance of precipitation is 70%.
Wednesday Night
Snow showers. Low around 25. Breezy. Chance of precipitation is 90%.
Thursday
Snow showers. High near 30. Blustery. Chance of precipitation is 90%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Blustery.
Friday
A chance of snow showers. Partly sunny, with a high near 30.
Friday Night
A chance of snow showers. Partly cloudy, with a low around 15.
Saturday
A chance of snow showers. Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Gardiner MT
 45.06°N 111.04°W (Elev. 8474 ft)
Last Update:
1:17 am MDT Apr 19, 2026
Forecast Valid:
2am MDT Apr 19, 2026-6pm MDT Apr 25, 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