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

Alpine (K46U)

Lat: 43.1846°NLon: 111.0424°WElev: 5634.0ft.

Clear

28°F

-2°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 20 Mar 07:55 AM MDT
Extended Forecast for

Etna WY

  • Today

    Today: Sunny, with a high near 70. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 37. West wind 6 to 11 mph becoming light west southwest in the evening.

    Low: 37 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 58. Calm wind becoming west around 6 mph in the afternoon.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. West wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 58. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 70. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tonight
Mostly clear, with a low around 41. Southwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 67. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 37. West wind 6 to 11 mph becoming light west southwest in the evening.
Sunday
Sunny, with a high near 58. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 31. West wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 58. Calm wind becoming west southwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Etna WY
 43.05°N 111.01°W (Elev. 5948 ft)
Last Update:
6:47 am MDT Mar 20, 2026
Forecast Valid:
8am MDT Mar 20, 2026-6pm MDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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