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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

74°F

23°C

Humidity 20%
Wind Speed W 13 G 22 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 27 Feb 1:53 pm CST
Extended Forecast for

Madison IL

Red Flag Warning February 27, 02:39pm until February 27, 06:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning February 27, 02:39pm until February 27, 06:00pm

    NOW until 6:00pm Fri

    Red Flag Warning

  • This Afternoon

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 38. Southwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 38 °F

    Clear

  • Saturday

    Saturday: A slight chance of rain between 3pm and 5pm. Mostly sunny, with a high near 67. Northeast wind 5 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 67 °F

    Sunny then
    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. South wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 22 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 47. Northeast wind around 10 mph.

    High: 47 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Rain and snow. Low around 33. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 45. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 75. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tonight
Clear, with a low around 38. Southwest wind 5 to 7 mph becoming light and variable after midnight.
Saturday
A slight chance of rain between 3pm and 5pm. Mostly sunny, with a high near 67. Northeast wind 5 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 31. South wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 22 mph.
Sunday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 47. Northeast wind around 10 mph.
Sunday Night
Rain and snow. Low around 33. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 45. Chance of precipitation is 40%.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 38. Chance of precipitation is 60%.
Tuesday
Rain and possibly a thunderstorm. High near 60. Chance of precipitation is 80%.
Tuesday Night
Rain likely and possibly a thunderstorm. Cloudy, with a low around 49. Chance of precipitation is 70%.
Wednesday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 65. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Madison IL
 38.68°N 90.14°W (Elev. 407 ft)
Last Update:
1:36 pm CST Feb 27, 2026
Forecast Valid:
2pm CST Feb 27, 2026-6pm CST Mar 5, 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