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

45°F

7°C

Humidity 38%
Wind Speed ESE 4 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 20 Mar 07:15 AM MDT
Extended Forecast for

16 Miles W Gardiner MT

  • Today

    Today: Sunny, with a high near 54. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon.  Snow level 9600 feet. Partly sunny, with a high near 52. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 52 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers.  Mostly cloudy, with a low around 25. West wind 5 to 10 mph becoming light west northwest  after midnight.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 25 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Sunday

    Sunday: Sunny, with a high near 42. Light west wind becoming west southwest 5 to 10 mph in the morning.

    High: 42 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. South southwest wind 6 to 10 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 42. South southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 42 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow showers after noon.  Partly sunny, with a high near 46. Breezy.  Chance of precipitation is 20%.

    High: 46 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 54. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 38. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of showers after noon. Snow level 9600 feet. Partly sunny, with a high near 52. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
A chance of rain and snow showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 25. West wind 5 to 10 mph becoming light west northwest after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday
Sunny, with a high near 42. Light west wind becoming west southwest 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 26. South southwest wind 6 to 10 mph.
Monday
Mostly cloudy, with a high near 42. South southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
A slight chance of rain and snow showers after noon. Partly sunny, with a high near 46. Breezy. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of showers before midnight. Snow level 9200 feet. Mostly cloudy, with a low around 34. Breezy.
Wednesday
A slight chance of rain and snow showers. Snow level 8700 feet. Mostly sunny, with a high near 50. Breezy.
Wednesday Night
A chance of rain and snow showers. Partly cloudy, with a low around 23. Breezy.
Thursday
A slight chance of snow showers. Sunny, with a high near 35. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Gardiner MT
 45.06°N 111.04°W (Elev. 8474 ft)
6:47 am MDT Mar 20, 2026
7am MDT Mar 20, 2026-6pm MDT Mar 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database