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

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

86°F

30°C

Humidity 59%
Wind Speed E 9 mph
Barometer 30.04 in (1016.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 26 Jul 5:53 pm CDT
Extended Forecast for

Madison IL

  • Tonight

    Tonight: Partly cloudy, with a low around 68. East wind 5 to 7 mph becoming calm in the evening.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 86 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind 3 to 7 mph.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 88. South wind 3 to 8 mph. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. South wind 5 to 7 mph.

    Low: 73 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.

    High: 96 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.

    Low: 78 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. East wind 5 to 7 mph becoming calm in the evening.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 30%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind 3 to 7 mph.
Sunday
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 88. South wind 3 to 8 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. South wind 5 to 7 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 77.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Madison IL
 38.68°N 90.14°W (Elev. 407 ft)
Last Update:
5:22 pm CDT Jul 26, 2024
Forecast Valid:
6pm CDT Jul 26, 2024-6pm CDT Aug 2, 2024
 
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