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

Madison Municipal Airport (KMDS)

Lat: 44.02°NLon: 97.09°WElev: 1718ft.

Mostly Cloudy

55°F

13°C

Humidity 100%
Wind Speed W 8 mph
Barometer 29.73 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 18 Jun 1:55 am CDT
Extended Forecast for

Chester SD

  • Overnight

    Overnight: Mostly clear, with a low around 51. Northwest wind around 10 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Northwest wind 10 to 15 mph becoming light and variable in the evening.

    Low: 50 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 79. Breezy, with a south wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 79 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. West northwest wind 10 to 15 mph becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 78. East wind around 5 mph.

    High: 78 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Northwest wind around 10 mph.
Thursday
Mostly sunny, with a high near 73. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 50. Northwest wind 10 to 15 mph becoming light and variable in the evening.
Juneteenth
Mostly sunny, with a high near 79. Breezy, with a south wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 51. West northwest wind 10 to 15 mph becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Saturday
A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 78. East wind around 5 mph.
Saturday Night
Showers likely, mainly after 1am. Cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
Partly sunny, with a high near 75.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chester SD
 43.9°N 96.94°W (Elev. 1581 ft)
Last Update:
1:52 am CDT Jun 18, 2026
Forecast Valid:
2am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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