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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Rain Fog/Mist

44°F

7°C

Humidity 96%
Wind Speed E 6 mph
Barometer 29.86 in (1011.3 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Wind Chill41°F (5°C)
Last update 15 Feb 1:53 am CST
Extended Forecast for

3 Miles SSE Columbia IL

  • Overnight

    Overnight: Rain, mainly before 5am. Low around 44. North wind 5 to 7 mph. Chance of precipitation is 100%.

    Low: 44 °F

    Rain

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 55. North wind 5 to 10 mph.

    High: 55 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Patchy Fog

  • Washington's Birthday

    Washington's Birthday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 64. Light south wind increasing to 5 to 10 mph in the morning.

    High: 64 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. South wind 6 to 8 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain, mainly before 5am. Low around 44. North wind 5 to 7 mph. Chance of precipitation is 100%.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 55. North wind 5 to 10 mph.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 35. Calm wind.
Washington's Birthday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 64. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 43. South wind 6 to 8 mph.
Tuesday
Mostly cloudy, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
A 20 percent chance of showers after noon. Sunny, with a high near 72.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 53.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 31.
Saturday
Sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Columbia IL
 38.42°N 90.21°W (Elev. 499 ft)
Last Update:
2:41 am CST Feb 15, 2026
Forecast Valid:
2am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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