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

68°F

20°C

Humidity 100%
Wind Speed S 9 mph
Barometer 29.92 in
Dewpoint 68°F (20°C)
Visibility 2.50 mi
Last update 25 Jul 2:55 am 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

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 68. South wind around 10 mph.

    Low: 68 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny and hot, with a high near 95. Heat index values as high as 101. South southwest wind 5 to 10 mph becoming west in the afternoon.

    High: 95 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 11pm and 4am. Increasing clouds, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms before 7am. Cloudy, then gradually becoming mostly sunny and hot, with a high near 95. Heat index values as high as 102. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 73. South wind 5 to 15 mph becoming west after midnight.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Sunny and hot, with a high near 95. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Hot

  • Monday Night

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

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 68. South wind around 10 mph.
Saturday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny and hot, with a high near 95. Heat index values as high as 101. South southwest wind 5 to 10 mph becoming west in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly between 11pm and 4am. Increasing clouds, with a low around 75. South wind 5 to 10 mph.
Sunday
A 10 percent chance of showers and thunderstorms before 7am. Cloudy, then gradually becoming mostly sunny and hot, with a high near 95. Heat index values as high as 102. South southwest 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 73. South wind 5 to 15 mph becoming west after midnight.
Monday
Sunny and hot, with a high near 95. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 68.
Friday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Garretson SD
 43.73°N 96.49°W (Elev. 1499 ft)
Last Update:
1:38 am CDT Jul 25, 2026
Forecast Valid:
3am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation