Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Alpine (K46U)

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

Clear

54°F

12°C

Humidity 34%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 20 May 08:15 PM MDT
Extended Forecast for

9 Miles S Rafter J Ranch WY

  • Tonight

    Tonight: Rain showers likely before 5am, then rain and snow showers likely. Some thunder is also possible.  Mostly cloudy, with a low around 32. West southwest wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 32 °F

    Slight Chance
    T-storms then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain and snow showers, becoming all rain after 11am. Some thunder is also possible.  High near 52. West northwest wind 3 to 8 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 52 °F

    Rain/Snow
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 63. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 72. Light and variable wind becoming west southwest 5 to 10 mph in the morning.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. West southwest wind around 6 mph becoming south southeast after midnight.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain showers likely before 5am, then rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 32. West southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Rain and snow showers, becoming all rain after 11am. Some thunder is also possible. High near 52. West northwest wind 3 to 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 27. North wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 63. Calm wind becoming west northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 30. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 72. Light and variable wind becoming west southwest 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 35. West southwest wind around 6 mph becoming south southeast after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 37.
Memorial Day
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 36.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Rafter J Ranch WY
 43.31°N 110.78°W (Elev. 7224 ft)
7:47 pm MDT May 20, 2026
8pm MDT May 20, 2026-6pm MDT May 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database