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

Hazardous Weather Conditions

Current conditions at

Madison Municipal Airport (KMDS)

Lat: 44.02°NLon: 97.09°WElev: 1718ft.

Fair

82°F

28°C

Humidity 89%
Wind Speed S 16 G 22 mph
Barometer 29.89 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 26 Jul 2:35 pm CDT
Extended Forecast for

Chester SD

Extreme Heat Warning July 27, 12:00pm until July 27, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South wind 10 to 15 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 94. Heat index values as high as 105. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 94 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 69. South wind 5 to 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 92. Northeast wind 5 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Increasing clouds, with a low around 67. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 68. South wind 10 to 15 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 94. Heat index values as high as 105. Breezy, with a south wind 10 to 20 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 69. South wind 5 to 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph.
Monday
Sunny, with a high near 92. Northeast wind 5 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Increasing clouds, with a low around 67. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 77.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chester SD
 43.9°N 96.94°W (Elev. 1581 ft)
Last Update:
2:30 pm CDT Jul 26, 2025
Forecast Valid:
2pm CDT Jul 26, 2025-6pm CDT Aug 1, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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