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

Hazardous Weather Conditions

Current conditions at

Alpine (K46U)

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

Overcast

30°F

-1°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 17 Apr 11:55 PM MDT
Extended Forecast for

Etna WY

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 18. South southeast wind 3 to 6 mph.

    Low: 18 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 50. South wind 3 to 7 mph.

    High: 50 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 24 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. South southwest wind 5 to 7 mph becoming east southeast after midnight.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 18. South southeast wind 3 to 6 mph.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 50. South wind 3 to 7 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Calm wind becoming south southeast around 6 mph after midnight.
Sunday
Sunny, with a high near 63. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 33. Light and variable wind.
Monday
Mostly sunny, with a high near 68. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 37. South southwest wind 5 to 7 mph becoming east southeast after midnight.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 39.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 56. Chance of precipitation is 60%.
Wednesday Night
Rain and snow showers likely. Mostly cloudy, with a low around 32.
Thursday
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 49.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29.
Friday
A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 51.
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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:
11:47 pm MDT Apr 17, 2026
Forecast Valid:
12am MDT Apr 18, 2026-6pm MDT Apr 24, 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