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

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

A Few Clouds

40°F

4°C

Humidity 97%
Wind Speed SW 3 mph
Barometer 30.03 in (1014.5 mb)
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Last update 21 May 1:53 am MDT
Extended Forecast for

5 Miles E Custer SD

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 41. Light west wind.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Isolated showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 60. Calm wind becoming south around 6 mph. Winds could gust as high as 21 mph.  Chance of precipitation is 70%.

    High: 60 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then rain after midnight.  Low around 38. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 100%.

    Low: 38 °F

    Showers

  • Friday

    Friday: A 40 percent chance of rain before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 57. Northwest wind 6 to 10 mph, with gusts as high as 25 mph.

    High: 57 °F

    Chance Rain
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Northwest wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Calm wind becoming southwest around 6 mph. Winds could gust as high as 18 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 41. Light west wind.
Thursday
Isolated showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 60. Calm wind becoming south around 6 mph. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then rain after midnight. Low around 38. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 100%.
Friday
A 40 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 57. Northwest wind 6 to 10 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 38. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 68. Calm wind becoming southwest around 6 mph. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 51.
Memorial Day
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
12:31 am MDT May 21, 2026
2am MDT May 21, 2026-6pm MDT May 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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