Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Alpine (K46U)

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

Clear

54°F

12°C

Humidity 27%
Wind Speed WSW 6 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 19 May 04:35 PM MDT
Extended Forecast for

Etna WY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 57. North northwest wind 5 to 7 mph.

    High: 57 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Isolated showers and thunderstorms after 5pm.  Mostly sunny, with a high near 60. Calm wind becoming west 5 to 8 mph in the afternoon.  Chance of precipitation is 10%.

    High: 60 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Wednesday Night

    Wednesday Night: Isolated showers and thunderstorms before 9pm, then showers likely after midnight.  Mostly cloudy, with a low around 35. West wind 5 to 8 mph becoming calm  after midnight.  Chance of precipitation is 70%.

    Low: 35 °F

    Isolated
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Rain, possibly mixed with snow showers, becoming all rain after 9am. Some thunder is also possible.  High near 54. Calm wind becoming north northwest 5 to 7 mph in the afternoon.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 54 °F

    Rain/Snow
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 57. North northwest wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 29. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
Isolated showers and thunderstorms after 5pm. Mostly sunny, with a high near 60. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 10%.
Wednesday Night
Isolated showers and thunderstorms before 9pm, then showers likely after midnight. Mostly cloudy, with a low around 35. West wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 70%.
Thursday
Rain, possibly mixed with snow showers, becoming all rain after 9am. Some thunder is also possible. High near 54. Calm wind becoming north northwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 30. North northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 64. Light and variable wind.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 40.
Memorial Day
A slight chance of showers and thunderstorms. 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)
3:47 pm MDT May 19, 2026
4pm MDT May 19, 2026-6pm MDT May 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database