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

41°F

5°C

Humidity 60%
Wind Speed Calm
Barometer 30.04 in (1017.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 28 Feb 3:53 am CST
Extended Forecast for

3 Miles NNW Freeburg IL

  • Today

    Today: A 30 percent chance of rain, mainly after 5pm. Increasing clouds, with a high near 63. Northeast wind around 7 mph becoming south in the afternoon.

    High: 63 °F

    Mostly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 7pm. Partly cloudy, with a low around 31. South wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 31 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 45. North wind 9 to 11 mph.

    High: 45 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Snow likely before 3am, then rain and snow likely. Cloudy, with a low around 32. Northeast wind around 10 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow before 9am, then a chance of rain. Cloudy, with a high near 42. East wind around 10 mph. Chance of precipitation is 40%.

    High: 42 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Rain

  • Tuesday

    Tuesday: Rain and possibly a thunderstorm. High near 60. Chance of precipitation is 90%.

    High: 60 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, with thunderstorms also possible after midnight. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Rain

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm. Cloudy, with a high near 64. Chance of precipitation is 70%.

    High: 64 °F

    Rain Likely

Detailed Forecast

Today
A 30 percent chance of rain, mainly after 5pm. Increasing clouds, with a high near 63. Northeast wind around 7 mph becoming south in the afternoon.
Tonight
A 20 percent chance of rain before 7pm. Partly cloudy, with a low around 31. South wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
Increasing clouds, with a high near 45. North wind 9 to 11 mph.
Sunday Night
Snow likely before 3am, then rain and snow likely. Cloudy, with a low around 32. Northeast wind around 10 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday
A chance of rain and snow before 9am, then a chance of rain. Cloudy, with a high near 42. East wind around 10 mph. Chance of precipitation is 40%.
Monday Night
Rain. Low around 38. Chance of precipitation is 80%.
Tuesday
Rain and possibly a thunderstorm. High near 60. Chance of precipitation is 90%.
Tuesday Night
Rain, with thunderstorms also possible after midnight. Low around 50. Chance of precipitation is 80%.
Wednesday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 64. Chance of precipitation is 70%.
Wednesday Night
Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain. Partly sunny, with a high near 68.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 56.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Freeburg IL
 38.48°N 89.93°W (Elev. 551 ft)
Last Update:
3:57 am CST Feb 28, 2026
Forecast Valid:
6am CST Feb 28, 2026-6pm CST Mar 6, 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