Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

Alpine (K46U)

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

Clear

63°F

17°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 26 Aug 12:55 AM MDT
Extended Forecast for

Etna WY

  • Overnight

    Overnight: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. South wind 5 to 7 mph becoming calm  in the evening.

    Low: 48 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm.  Mostly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 79. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 49 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after noon.  High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 42. Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 49. Calm wind.
Wednesday
Mostly sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. South wind 5 to 7 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Friday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
Showers, with thunderstorms also possible after noon. High near 70. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 71. Chance of precipitation is 40%.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 40.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Etna WY
 43.05°N 111.01°W (Elev. 5948 ft)
12:47 am MDT Aug 26, 2026
1am MDT Aug 26, 2026-6pm MDT Sep 1, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database