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.

Clear

50°F

10°C

Humidity 25%
Wind Speed N 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 18 Apr 05:35 PM MDT
Extended Forecast for

Etna WY

  • Tonight

    Tonight: 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: Partly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 69. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 40. South southeast wind 6 to 9 mph.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 54. Breezy. Chance of precipitation is 80%.

    High: 54 °F

    Chance
    Showers then
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain showers likely before midnight, then rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.

    Low: 32 °F

    Showers
    Likely then
    Rain/Snow
    Likely

Detailed Forecast

Tonight
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
Partly cloudy, with a low around 33. Light and variable wind.
Monday
Sunny, with a high near 69. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 37. Southwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 71. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 40. South southeast wind 6 to 9 mph.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 54. Breezy. Chance of precipitation is 80%.
Wednesday Night
Rain showers likely before midnight, then rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.
Thursday
Rain and snow showers. Some thunder is also possible. High near 44. Chance of precipitation is 80%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 26.
Friday
A chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 49.
Friday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 26.
Saturday
A slight chance of snow showers. Mostly 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:
5:47 pm MDT Apr 18, 2026
Forecast Valid:
6pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation