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

93°F

34°C

Humidity 67%
Wind Speed S 13 mph
Barometer 29.80 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index113°F (45°C)
Last update 26 Jul 5:35 pm CDT
Extended Forecast for

Madison SD

Extreme Heat Warning July 26, 05:49pm until July 26, 09:00pm
Click here for hazard details and duration
...
  •  
    Extreme Heat Warning July 26, 05:49pm until July 26, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Patchy smoke before 2pm. Mostly sunny, with a high near 91. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Patchy Smoke

  • Monday Night

    Monday Night: Increasing clouds, with a low around 69. Northeast wind 5 to 10 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 87. East wind 5 to 10 mph becoming south in the afternoon.

    High: 87 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. South southeast wind around 10 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. South wind around 10 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 72. South wind 5 to 10 mph becoming northwest after midnight.
Monday
Patchy smoke before 2pm. Mostly sunny, with a high near 91. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 69. Northeast wind 5 to 10 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 87. East wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 68. South southeast wind around 10 mph.
Wednesday
Sunny, with a high near 89. South wind around 10 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Madison SD
 44.01°N 97.09°W (Elev. 1680 ft)
Last Update:
3:58 pm CDT Jul 26, 2026
Forecast Valid:
5pm CDT Jul 26, 2026-6pm CDT Aug 2, 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