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.

Mostly Cloudy

41°F

5°C

Humidity 49%
Wind Speed W 18 G 33 mph
Barometer 30.19 in (1022.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 26 Nov 9:53 am CST
Extended Forecast for

3 Miles NNE Fairmont City IL

  • Today

    Today: Mostly cloudy early, then gradual clearing, with a high near 45. Breezy, with a west wind 15 to 21 mph, with gusts as high as 38 mph.

    High: 45 °F

    Becoming
    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 29. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 29 °F

    Increasing
    Clouds

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 43. Northwest wind 7 to 11 mph.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 23. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 23 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 39. Light and variable wind.

    High: 39 °F

    Sunny

  • Friday Night

    Friday Night: Snow likely after 3am. Cloudy, with a low around 30. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 30 °F

    Mostly Cloudy
    then Snow
    Likely

  • Saturday

    Saturday: Snow before 9am, then rain, possibly mixed with snow. High near 39. Chance of precipitation is 90%.

    High: 39 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Cloudy, with a low around 29. Chance of precipitation is 70%.

    Low: 29 °F

    Rain Likely
    then Chance
    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 37.

    High: 37 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy early, then gradual clearing, with a high near 45. Breezy, with a west wind 15 to 21 mph, with gusts as high as 38 mph.
Tonight
Increasing clouds, with a low around 29. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.
Thanksgiving Day
Sunny, with a high near 43. Northwest wind 7 to 11 mph.
Thursday Night
Clear, with a low around 23. Northwest wind 5 to 7 mph becoming calm after midnight.
Friday
Sunny, with a high near 39. Light and variable wind.
Friday Night
Snow likely after 3am. Cloudy, with a low around 30. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday
Snow before 9am, then rain, possibly mixed with snow. High near 39. Chance of precipitation is 90%.
Saturday Night
Rain likely, mainly before midnight. Cloudy, with a low around 29. Chance of precipitation is 70%.
Sunday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 37.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 30.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 34.
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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:
10:21 am CST Nov 26, 2025
Forecast Valid:
10am CST Nov 26, 2025-6pm CST Dec 2, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation