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

37°F

3°C

Humidity 60%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 19 May 11:35 PM MDT
Extended Forecast for

9 Miles S Rafter J Ranch WY

  • Tonight

    Tonight: Mostly clear, with a low around 28. Light south southeast wind.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am.  Low around 34. West wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 80%.

    Low: 34 °F

    Mostly Cloudy
    then Showers

  • Thursday

    Thursday: Rain and snow showers, becoming all rain after 10am. Some thunder is also possible.  High near 58. Calm wind becoming north northwest around 6 mph in the afternoon.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 58 °F

    Rain/Snow
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. North wind around 6 mph becoming calm  in the evening.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32. West wind around 5 mph becoming calm  in the evening.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Light south southeast wind.
Wednesday
Mostly sunny, with a high near 65. Calm wind becoming west southwest 5 to 7 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 34. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%.
Thursday
Rain and snow showers, becoming all rain after 10am. Some thunder is also possible. High near 58. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 29. North wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 32. West wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 37.
Memorial Day
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Rafter J Ranch WY
 43.29°N 110.78°W (Elev. 6293 ft)
11:47 pm MDT May 19, 2026
11pm MDT May 19, 2026-6pm MDT May 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database