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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Madison Municipal Airport (KIMS)

Lat: 38.76°NLon: 85.47°WElev: 819ft.

A Few Clouds

82°F

28°C

Humidity 82%
Wind Speed Vrbl 7 mph
Barometer 30.11 in
Dewpoint 76°F (24°C)
Visibility 9.00 mi
Heat Index89°F (32°C)
Last update 18 Sep 6:15 pm EDT
Extended Forecast for

Madison IN

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 67. East wind 5 to 7 mph.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 89. Light and variable wind becoming south around 5 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 70. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 90. South wind 3 to 6 mph.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 66. Northeast wind 3 to 7 mph.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

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

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 67. East wind 5 to 7 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 89. Light and variable wind becoming south around 5 mph.
Saturday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 70. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 90. South wind 3 to 6 mph.
Sunday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 66. Northeast wind 3 to 7 mph.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Madison IN
 38.75°N 85.39°W (Elev. 600 ft)
Last Update:
2:26 pm EDT Sep 18, 2026
Forecast Valid:
6pm EDT Sep 18, 2026-6pm EDT Sep 25, 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