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.

Partly Cloudy

84°F

29°C

Humidity 55%
Wind Speed S 9 mph
Barometer 29.83 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 26 Jul 1:15 pm CDT
Extended Forecast for

Madison SD

Extreme Heat Warning July 26, 01:27pm until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 26, 01:27pm until July 26, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • This Afternoon

    High: 95 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 72. South wind 5 to 10 mph becoming northwest after midnight.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Patchy smoke before 2pm. Mostly sunny, with a high near 92. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Patchy Smoke

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. Northeast wind 5 to 10 mph.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. East wind around 5 mph becoming south in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. South southeast wind around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A slight chance of showers before 2pm, then a chance of sprinkles between 2pm and 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 111. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
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 92. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 70. Northeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 89. East wind around 5 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 68. South southeast wind around 5 mph.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 84.
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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:
12:43 pm CDT Jul 26, 2026
Forecast Valid:
1pm CDT Jul 26, 2026-6pm CDT Aug 1, 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