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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Aberdeen, Aberdeen Regional Airport (KABR)

Lat: 45.44°NLon: 98.41°WElev: 1299ft.

Fair

76°F

24°C

Humidity 67%
Wind Speed SE 12 mph
Barometer 29.98 in (1014.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Aug 12:53 pm CDT
Extended Forecast for

Groton SD

  • This Afternoon

    This Afternoon: A slight chance of showers before 4pm. Partly sunny, with a high near 84. South southeast wind around 16 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a chance of showers. Increasing clouds, with a low around 66. Southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A slight chance of showers before 7am. Mostly sunny, with a high near 85. East northeast wind around 6 mph. Chance of precipitation is 10%.

    High: 85 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly between 2am and 4am. Increasing clouds, with a low around 65. East wind around 7 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 86. East northeast wind 7 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. East southeast wind 5 to 8 mph becoming west northwest after midnight. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 83. North northwest wind 5 to 9 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A slight chance of showers before 4pm. Partly sunny, with a high near 84. South southeast wind around 16 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms likely before 4am, then a chance of showers. Increasing clouds, with a low around 66. Southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers before 7am. Mostly sunny, with a high near 85. East northeast wind around 6 mph. Chance of precipitation is 10%.
Saturday Night
A chance of showers and thunderstorms, mainly between 2am and 4am. Increasing clouds, with a low around 65. East wind around 7 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 86. East northeast wind 7 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. East southeast wind 5 to 8 mph becoming west northwest after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 83. North northwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Groton SD
 45.45°N 98.1°W (Elev. 1299 ft)
Last Update:
1:31 pm CDT Aug 28, 2026
Forecast Valid:
1pm CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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