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

Alpine (K46U)

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

Overcast

37°F

3°C

Humidity 86%
Wind Speed ESE 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 14 Apr 10:35 PM MDT
Extended Forecast for

Etna WY

  • Tonight

    Tonight: Partly cloudy, with a low around 30. South southeast wind 3 to 7 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Scattered showers, with thunderstorms also possible after 3pm. Increasing clouds, with a high near 51. Breezy, with a south southeast wind 6 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 50%.

    High: 51 °F

    Scattered
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain and snow showers, becoming all snow after 5am. Some thunder is also possible. Low around 31. Breezy, with a south wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 31 °F

    Showers
    Likely and
    Breezy then
    Rain/Snow

  • Thursday

    Thursday: Snow showers. High near 39. West wind 6 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers. Low around 20. West wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Snow Showers

  • Friday

    Friday: Snow showers. Some thunder is also possible. High near 38. Light north northwest wind becoming west northwest 6 to 11 mph in the morning. Chance of precipitation is 80%.

    High: 38 °F

    Snow Showers

  • Friday Night

    Friday Night: A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 19. West northwest wind 5 to 9 mph becoming light and variable after midnight.

    Low: 19 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. South southeast wind 3 to 7 mph.
Wednesday
Scattered showers, with thunderstorms also possible after 3pm. Increasing clouds, with a high near 51. Breezy, with a south southeast wind 6 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 50%.
Wednesday Night
Rain and snow showers, becoming all snow after 5am. Some thunder is also possible. Low around 31. Breezy, with a south wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Snow showers. High near 39. West wind 6 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow showers. Low around 20. West wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday
Snow showers. Some thunder is also possible. High near 38. Light north northwest wind becoming west northwest 6 to 11 mph in the morning. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 19. West northwest wind 5 to 9 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 31.
Monday
A slight chance of showers. Mostly sunny, with a high near 64.
Monday Night
A chance of showers. Partly cloudy, with a low around 35.
Tuesday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Etna WY
 43.05°N 111.01°W (Elev. 5948 ft)
Last Update:
9:02 pm MDT Apr 14, 2026
Forecast Valid:
10pm MDT Apr 14, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation