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.

A Few Clouds

29°F

-2°C

Humidity 72%
Wind Speed NW 12 mph
Barometer 30.37 in (1028.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 27 Nov 6:53 am CST
Extended Forecast for

3 Miles NNE Fairmont City IL

Winter Storm Watch November 29, 12:00am until November 30, 12:00am
Click here for hazard details and duration
Winter Storm Watch

  • Thanksgiving Day

    Thanksgiving Day: Sunny through mid morning, then becoming cloudy, with a high near 43. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 43 °F

    Becoming
    Cloudy

  • Tonight

    Tonight: Clear, with a low around 23. Northwest wind 5 to 7 mph.

    Low: 23 °F

    Clear

  • Friday

    Friday: Increasing clouds, with a high near 40. Light and variable wind.

    High: 40 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Snow likely, mainly after 3am. Cloudy, with a low around 30. Light southeast wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 30 °F

    Cloudy then
    Snow Likely

  • Saturday

    Saturday: Snow before 9am, then rain, possibly mixed with snow. High near 38. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 38 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Cloudy, with a low around 26. Chance of precipitation is 70%.

    Low: 26 °F

    Rain Likely
    then Slight
    Chance Rain

  • Sunday

    Sunday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

Detailed Forecast

Thanksgiving Day
Sunny through mid morning, then becoming cloudy, with a high near 43. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 23. Northwest wind 5 to 7 mph.
Friday
Increasing clouds, with a high near 40. Light and variable wind.
Friday Night
Snow likely, mainly after 3am. Cloudy, with a low around 30. Light southeast wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow before 9am, then rain, possibly mixed with snow. High near 38. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Rain likely, mainly before midnight. Cloudy, with a low around 26. Chance of precipitation is 70%.
Sunday
Mostly cloudy, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Mostly cloudy, with a high near 28.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Fairmont City IL
 38.68°N 90.09°W (Elev. 404 ft)
Last Update:
6:31 am CST Nov 27, 2025
Forecast Valid:
6am CST Nov 27, 2025-6pm CST Dec 3, 2025
 
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