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

38°F

3°C

Humidity 54%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 18 Apr 08:15 PM MDT
Extended Forecast for

Gardiner MT

  • Tonight

    Tonight: Mostly clear, with a low around 29. East wind around 7 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Light and variable wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. Southeast wind 5 to 7 mph.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 71. Southeast wind 5 to 9 mph becoming southwest in the afternoon.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Southwest wind 6 to 9 mph becoming south southeast after midnight.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. South southeast wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 64. Breezy. Chance of precipitation is 60%.

    High: 64 °F

    Sunny then
    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain showers before 3am, then rain and snow showers. Snow level 7800 feet lowering to 6300 feet after midnight . Low around 37. Breezy. Chance of precipitation is 80%.

    Low: 37 °F

    Showers
    Likely and
    Breezy then
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 29. East wind around 7 mph.
Sunday
Sunny, with a high near 64. Light and variable wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 36. Southeast wind 5 to 7 mph.
Monday
Sunny, with a high near 71. Southeast wind 5 to 9 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 40. Southwest wind 6 to 9 mph becoming south southeast after midnight.
Tuesday
Mostly sunny, with a high near 74. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 44. South southeast wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 64. Breezy. Chance of precipitation is 60%.
Wednesday Night
Rain showers before 3am, then rain and snow showers. Snow level 7800 feet lowering to 6300 feet after midnight . Low around 37. Breezy. Chance of precipitation is 80%.
Thursday
Rain and snow showers, becoming all snow after 9am. Snow level 5800 feet lowering to 5400 feet in the afternoon . High near 49. Chance of precipitation is 80%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 27.
Friday
A chance of snow showers. Partly sunny, with a high near 51.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 27.
Saturday
A slight chance of rain and snow showers. Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gardiner MT
 45.03°N 110.7°W (Elev. 5400 ft)
Last Update:
8:47 pm MDT Apr 18, 2026
Forecast Valid:
9pm MDT Apr 18, 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