Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

50°F

10°C

Humidity 96%
Wind Speed Calm
Barometer 30.24 in (1023.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 5 Oct 1:53 am CDT
Extended Forecast for

Fairmont City IL

  • Overnight

    Overnight: Clear, with a low around 53. Calm wind becoming north around 5 mph.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 79. Northeast wind 3 to 6 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 51. Light east wind.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind becoming south around 6 mph in the morning.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 57. Light south wind.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 53. Calm wind becoming north around 5 mph.
Monday
Sunny, with a high near 79. Northeast wind 3 to 6 mph.
Monday Night
Clear, with a low around 51. Light east wind.
Tuesday
Sunny, with a high near 81. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
Clear, with a low around 57. Light south wind.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Fairmont City IL
 38.64°N 90.09°W (Elev. 417 ft)
1:31 am CDT Oct 5, 2026
2am CDT Oct 5, 2026-6pm CDT Oct 11, 2026
 
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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