National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Pine Ridge, Pine Ridge Airport (KIEN)

Lat: 43.03°NLon: 102.52°WElev: 3330ft.

Fair and Breezy

49°F

9°C

Humidity 71%
Wind Speed S 25 G 39 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 21 May 12:52 am MDT
Extended Forecast for

Manderson SD

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 46. South wind around 17 mph, with gusts as high as 31 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 71. South wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 71 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then rain after midnight. Low around 43. South wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%.

    Low: 43 °F

    Showers
    Likely then
    Rain

  • Friday

    Friday: Rain likely before noon, then a chance of showers between noon and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. West wind 13 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%.

    High: 62 °F

    Rain Likely
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. North wind 6 to 11 mph becoming light and variable. Winds could gust as high as 21 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Southwest wind around 7 mph, with gusts as high as 17 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 46. South wind around 17 mph, with gusts as high as 31 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 71. South wind 14 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then rain after midnight. Low around 43. South wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%.
Friday
Rain likely before noon, then a chance of showers between noon and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. West wind 13 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%.
Friday Night
Partly cloudy, with a low around 38. North wind 6 to 11 mph becoming light and variable. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 74. Southwest wind around 7 mph, with gusts as high as 17 mph.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 53.
Memorial Day
Sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 57. Breezy.
Tuesday
Mostly sunny, with a high near 88. Breezy.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55. Breezy.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Manderson SD
 43.24°N 102.49°W (Elev. 3150 ft)
Last Update:
12:31 am MDT May 21, 2026
Forecast Valid:
1am MDT May 21, 2026-6pm MDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation