Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Snow Fog/Mist

26°F

-3°C

Humidity 92%
Wind Speed W 3 mph
Barometer 30.13 in (1020.7 mb)
Dewpoint 24°F (-4°C)
Visibility 2.50 mi
Last update 1 Dec 6:53 pm CST
Extended Forecast for

3 Miles NNE Fairmont City IL

Winter Weather Advisory December 1, 08:21pm until December 2, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 1, 08:21pm until December 2, 12:00am

    NOW until 12:00am Tue

    Winter Weather Advisory

  • Tonight

    Low: 20 °F

    Snow then
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. Northwest wind around 6 mph becoming light and variable  in the afternoon.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. South wind 3 to 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39. South wind around 7 mph becoming west in the afternoon.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13. North wind 6 to 10 mph.

    Low: 13 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow before noon.  Mostly sunny, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

Tonight
Snow, mainly before midnight. Low around 20. Northwest wind 3 to 7 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
Tuesday
Partly sunny, with a high near 27. Northwest wind around 6 mph becoming light and variable in the afternoon.
Tuesday Night
Partly cloudy, with a low around 21. South wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 39. South wind around 7 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 13. North wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 10.
Friday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly cloudy, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Fairmont City IL
 38.68°N 90.09°W (Elev. 404 ft)
8:01 pm CST Dec 1, 2025
8pm CST Dec 1, 2025-6pm CST Dec 8, 2025
 
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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