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.

Overcast

52°F

11°C

Humidity 93%
Wind Speed E 3 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 50°F (10°C)
Visibility 9.00 mi
Last update 20 Nov 12:53 pm CST
Extended Forecast for

Madison ILSimilar City Names

  • This Afternoon

    This Afternoon: Cloudy, with a high near 55. Southeast wind around 6 mph.

    High: 55 °F

    Cloudy

  • Tonight

    Tonight: Rain, mainly after midnight. Patchy fog after midnight. Low around 53. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 100%.

    Low: 53 °F

    Chance Rain
    then Rain and
    Patchy Fog

  • Friday

    Friday: Rain and possibly a thunderstorm. Patchy fog before 10am. High near 58. East wind 5 to 8 mph. Chance of precipitation is 100%.

    High: 58 °F

    Rain and
    Patchy Fog
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain, mainly before midnight. Low around 46. North wind 5 to 9 mph. Chance of precipitation is 90%.

    Low: 46 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 59. North wind 3 to 6 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: A 50 percent chance of rain. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain

Detailed Forecast

This Afternoon
Cloudy, with a high near 55. Southeast wind around 6 mph.
Tonight
Rain, mainly after midnight. Patchy fog after midnight. Low around 53. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 100%.
Friday
Rain and possibly a thunderstorm. Patchy fog before 10am. High near 58. East wind 5 to 8 mph. Chance of precipitation is 100%.
Friday Night
Rain, mainly before midnight. Low around 46. North wind 5 to 9 mph. Chance of precipitation is 90%.
Saturday
Mostly sunny, with a high near 59. North wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 44.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 59.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Madison ILSimilar City Names
 38.68°N 90.14°W (Elev. 407 ft)
Last Update:
10:56 am CST Nov 20, 2025
Forecast Valid:
1pm CST Nov 20, 2025-6pm CST Nov 26, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation