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

Hazardous Weather Conditions

Current conditions at

Quentin Aanenson Field Airport (KLYV)

Lat: 43.62°NLon: 96.21°WElev: 1421ft.

Fog/Mist

70°F

21°C

Humidity 88%
Wind Speed S 6 mph
Barometer 29.94 in
Dewpoint 66°F (19°C)
Visibility 5.00 mi
Last update 24 Jul 11:35 pm CDT
Extended Forecast for

Garretson SD

Heat Advisory July 25, 12:00pm until July 26, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A chance of sprinkles between 1am and 2am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 68. South wind around 10 mph.

    Low: 68 °F

    Chance
    Sprinkles and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog between 7am and 8am. Otherwise, mostly cloudy, then gradually becoming sunny and hot, with a high near 95. South wind 5 to 10 mph becoming west in the afternoon.

    High: 95 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: A chance of sprinkles before 10pm, then a slight chance of showers between 10pm and 11pm. Increasing clouds, with a low around 75. South wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing and hot, with a high near 95. Heat index values as high as 101. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72. South wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 94. North northeast wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 92.

    High: 92 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of sprinkles between 1am and 2am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 68. South wind around 10 mph.
Saturday
Patchy fog between 7am and 8am. Otherwise, mostly cloudy, then gradually becoming sunny and hot, with a high near 95. South wind 5 to 10 mph becoming west in the afternoon.
Saturday Night
A chance of sprinkles before 10pm, then a slight chance of showers between 10pm and 11pm. Increasing clouds, with a low around 75. South wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday
Cloudy through mid morning, then gradual clearing and hot, with a high near 95. Heat index values as high as 101. South wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72. South wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 94. North northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Partly sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Garretson SD
 43.71°N 96.49°W (Elev. 1549 ft)
Last Update:
11:23 pm CDT Jul 24, 2026
Forecast Valid:
11pm CDT Jul 24, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation