Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

Alpine (K46U)

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

Clear

39°F

4°C

Humidity 64%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 18 May 08:55 PM MDT
Extended Forecast for

Etna WY

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 25. North wind 5 to 7 mph becoming calm  after midnight.

    Low: 25 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 8am.  Otherwise, mostly sunny, with a high near 57. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 57 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. North northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a chance of showers after midnight.  Mostly cloudy, with a low around 34. West wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 34 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Rain likely, possibly mixed with snow showers, becoming all rain after noon. Some thunder is also possible.  Partly sunny, with a high near 60. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 60 °F

    Rain/Snow
    Likely then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 31. Light and variable wind.

    Low: 31 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 25. North wind 5 to 7 mph becoming calm after midnight.
Tuesday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 57. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 28. North northwest wind 5 to 7 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 61. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a chance of showers after midnight. Mostly cloudy, with a low around 34. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 50%.
Thursday
Rain likely, possibly mixed with snow showers, becoming all rain after noon. Some thunder is also possible. Partly sunny, with a high near 60. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 31. Light and variable wind.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 40.
Memorial Day
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Etna WY
 43.05°N 111.01°W (Elev. 5948 ft)
8:46 pm MDT May 18, 2026
9pm MDT May 18, 2026-6pm MDT May 25, 2026
 
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Additional Resources

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