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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

50°F

10°C

Humidity 35%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 21 Mar 03:15 AM MDT
Extended Forecast for

17 Miles W Gardiner MT

  • Overnight

    Overnight: Mostly clear, with a low around 38. Breezy, with a south wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 38 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: A chance of rain and snow showers, mainly after 4pm. Snow level 9500 feet. Partly sunny, with a high near 50. Breezy, with a south wind 17 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 50 °F

    Breezy.
    Mostly Sunny
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers before midnight. Partly cloudy, with a low around 26. Breezy, with a west northwest wind 9 to 16 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.

    Low: 26 °F

    Chance Snow
    Showers and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 39. Breezy, with a west southwest wind 9 to 16 mph, with gusts as high as 24 mph.

    High: 39 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 23 mph.

    Low: 26 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 43 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Breezy, with a south southwest wind 13 to 15 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 43. Breezy.

    High: 43 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before midnight. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 30%.

    Low: 36 °F

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Breezy, with a south wind 14 to 18 mph, with gusts as high as 28 mph.
Saturday
A chance of rain and snow showers, mainly after 4pm. Snow level 9500 feet. Partly sunny, with a high near 50. Breezy, with a south wind 17 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
A 40 percent chance of snow showers before midnight. Partly cloudy, with a low around 26. Breezy, with a west northwest wind 9 to 16 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
Sunday
Sunny, with a high near 39. Breezy, with a west southwest wind 9 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 26. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 43. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 31. Breezy, with a south southwest wind 13 to 15 mph, with gusts as high as 21 mph.
Tuesday
A 30 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 43. Breezy.
Tuesday Night
A chance of rain and snow showers before midnight. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of snow showers, mainly after noon. Mostly sunny, with a high near 46. Breezy.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 26. Breezy.
Thursday
A slight chance of snow showers. Mostly sunny, with a high near 37. Breezy.
Thursday Night
Mostly cloudy, with a low around 21. Breezy.
Friday
Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles W Gardiner MT
 45.08°N 111.07°W (Elev. 9426 ft)
Last Update:
3:16 am MDT Mar 21, 2026
Forecast Valid:
3am MDT Mar 21, 2026-6pm MDT Mar 27, 2026
 
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Additional Resources

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Chance of Precipitation