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.

Clear

57°F

14°C

Humidity 28%
Wind Speed N 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 09 Apr 12:15 PM MDT
Extended Forecast for

Etna WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. West wind 5 to 9 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. West wind 5 to 8 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers between 2pm and 5pm. Partly sunny, with a high near 68. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 20%.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 41. South southeast wind 5 to 8 mph.

    Low: 41 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 61. South southwest wind 5 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    High: 61 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before midnight. Partly cloudy, with a low around 35. South southwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 35 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 56. Light and variable wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%.

    High: 56 °F

    Slight Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Rain showers before midnight, then a chance of rain and snow showers. Low around 31. Chance of precipitation is 80%.

    Low: 31 °F

    Showers then
    Chance
    Rain/Snow

  • Monday

    Monday: Rain, possibly mixed with snow showers. Some thunder is also possible. High near 48. Chance of precipitation is 80%.

    High: 48 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 64. West wind 5 to 9 mph.
Tonight
Partly cloudy, with a low around 36. West wind 5 to 8 mph becoming calm in the evening.
Friday
A slight chance of showers between 2pm and 5pm. Partly sunny, with a high near 68. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 41. South southeast wind 5 to 8 mph.
Saturday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 61. South southwest wind 5 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
A 40 percent chance of showers before midnight. Partly cloudy, with a low around 35. South southwest wind 5 to 10 mph becoming light and variable in the evening.
Sunday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 56. Light and variable wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Sunday Night
Rain showers before midnight, then a chance of rain and snow showers. Low around 31. Chance of precipitation is 80%.
Monday
Rain, possibly mixed with snow showers. Some thunder is also possible. High near 48. Chance of precipitation is 80%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Tuesday
Rain and snow showers likely. Mostly cloudy, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 49.
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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:
11:48 am MDT Apr 9, 2026
Forecast Valid:
12pm MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation