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.

Fair

30°F

-1°C

Humidity 51%
Wind Speed NW 15 G 23 mph
Barometer 30.30 in (1026.4 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 11 Jan 2:53 am CST
Extended Forecast for

Fairmont City IL

  • Overnight

    Overnight: A chance of flurries before 5am. Partly cloudy, with a low around 26. Northwest wind around 16 mph, with gusts as high as 28 mph.

    Low: 26 °F

    Chance
    Flurries

  • Sunday

    Sunday: Sunny, with a high near 39. Northwest wind 6 to 16 mph, with gusts as high as 26 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. Light and variable wind becoming southwest 5 to 7 mph after midnight.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. West wind 5 to 8 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. Southwest wind 3 to 7 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries before 5am. Partly cloudy, with a low around 26. Northwest wind around 16 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 39. Northwest wind 6 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 27. Light and variable wind becoming southwest 5 to 7 mph after midnight.
Monday
Sunny, with a high near 53. West wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 38. Southwest wind 3 to 7 mph.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly cloudy, with a high near 44.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairmont City IL
 38.64°N 90.12°W (Elev. 407 ft)
Last Update:
3:16 am CST Jan 11, 2026
Forecast Valid:
4am CST Jan 11, 2026-6pm CST Jan 17, 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