National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 42.99°N 110.97°W (Text-Only)
NWS Forecast for: 4 Miles SE Etna WY
Issued by: National Weather Service Riverton, WY
Last Update: 12:32 am MDT Apr 15, 2026		Print

  • Overnight

    Overnight: Partly cloudy, with a low around 1. Southeast wind 11 to 13 km/h.

    Low: 1 °C

    Partly Cloudy




  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 1pm, then rain showers likely. Increasing clouds, with a high near 11. Breezy, with a southeast wind 13 to 18 km/h becoming southwest 22 to 27 km/h in the afternoon. Winds could gust as high as 42 km/h. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 11 °C

    Isolated
    Rain/Snow
    then Showers
    Likely and
    Breezy

  • Wednesday
    Night

    Wednesday Night: Rain and snow showers, becoming all snow after 5am. Some thunder is also possible. Low around 1. Breezy, with a southwest wind 21 to 26 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 39 km/h. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 1 °C

    Showers and
    Breezy then
    Rain/Snow


  • Thursday

    Thursday: Snow showers. High near 4. West wind 14 to 18 km/h, with gusts as high as 32 km/h. Chance of precipitation is 100%. New snow accumulation of 3 to 7 centimeters possible.

    High: 4 °C

    Snow Showers




  • Thursday
    Night

    Thursday Night: Snow showers, mainly before midnight. Low around -4. West wind 8 to 18 km/h. Chance of precipitation is 80%. New snow accumulation of 1 to 2 centimeters possible.

    Low: -4 °C

    Snow Showers
    then
    Scattered
    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 3. North northwest wind 8 to 13 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 70%.

    High: 3 °C

    Snow Showers
    Likely



  • Friday
    Night

    Friday Night: A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around -6. Northwest wind 16 to 21 km/h becoming east southeast 5 to 10 km/h after midnight. Winds could gust as high as 34 km/h.

    Low: -6 °C

    Chance Snow
    Showers then
    Partly Cloudy


  • Saturday

    Saturday: Sunny, with a high near 9.

    High: 9 °C

    Sunny




  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around -3.

    Low: -3 °C

    Mostly Clear




    • Overnight: Partly cloudy, with a low around 1. Southeast wind 11 to 13 km/h.

    Wednesday: A slight chance of rain and snow showers before 1pm, then rain showers likely. Increasing clouds, with a high near 11. Breezy, with a southeast wind 13 to 18 km/h becoming southwest 22 to 27 km/h in the afternoon. Winds could gust as high as 42 km/h. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Wednesday Night: Rain and snow showers, becoming all snow after 5am. Some thunder is also possible. Low around 1. Breezy, with a southwest wind 21 to 26 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 39 km/h. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Thursday: Snow showers. High near 4. West wind 14 to 18 km/h, with gusts as high as 32 km/h. Chance of precipitation is 100%. New snow accumulation of 3 to 7 centimeters possible.

    Thursday Night: Snow showers, mainly before midnight. Low around -4. West wind 8 to 18 km/h. Chance of precipitation is 80%. New snow accumulation of 1 to 2 centimeters possible.

    Friday: Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 3. North northwest wind 8 to 13 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 70%.

    Friday Night: A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around -6. Northwest wind 16 to 21 km/h becoming east southeast 5 to 10 km/h after midnight. Winds could gust as high as 34 km/h.

    Saturday: Sunny, with a high near 9.

    Saturday Night: Mostly clear, with a low around -3.

    Sunday: Sunny, with a high near 16.

    Sunday Night: Partly cloudy, with a low around 2.

    Monday: Mostly sunny, with a high near 18.

    Monday Night: A slight chance of showers. Partly cloudy, with a low around 4.

    Tuesday: A chance of rain and snow showers. Some thunder is also possible. Sunny, with a high near 19.


    4 Miles SE Etna WY
     42.99°N 110.97°W (Elev. 6289 m)

    Visit your local NWS office at: https://www.weather.gov/riw