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

86°F

30°C

Humidity 62%
Wind Speed S 10 mph
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 17 Jul 10:55 am CDT
Extended Forecast for

Madison SD

Heat Advisory July 17, 01:00pm until July 17, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 95. Southwest wind around 10 mph.

    High: 95 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 69. Southwest wind 5 to 15 mph becoming northeast in the evening. Winds could gust as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Northeast wind 10 to 15 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. East northeast wind around 10 mph becoming southeast after midnight.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 95. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 69. Southwest wind 5 to 15 mph becoming northeast in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 88. Northeast wind 10 to 15 mph.
Saturday Night
Partly cloudy, with a low around 67. East northeast wind around 10 mph becoming southeast after midnight.
Sunday
Mostly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southeast wind around 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 81.
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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:
10:33 am CDT Jul 17, 2026
Forecast Valid:
10am CDT Jul 17, 2026-6pm CDT Jul 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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