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.

Fair

52°F

11°C

Humidity 34%
Wind Speed S 9 mph
Barometer 30.06 in (1018.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 12 Mar 5:53 pm CDT
Extended Forecast for

Fairmont City IL

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South wind 9 to 18 mph, with gusts as high as 29 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61. West wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Northwest wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55. South wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1pm. High near 69. Breezy. Chance of precipitation is 90%.

    High: 69 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 22. Breezy. Chance of precipitation is 80%.

    Low: 22 °F

    Rain/Snow and
    Breezy

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Partly sunny, with a high near 30. Blustery.

    High: 30 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. South wind 9 to 18 mph, with gusts as high as 29 mph.
Friday
Mostly sunny, with a high near 61. West wind 11 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 37. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 66. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 55. South wind 9 to 11 mph, with gusts as high as 22 mph.
Sunday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1pm. High near 69. Breezy. Chance of precipitation is 90%.
Sunday Night
Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 22. Breezy. Chance of precipitation is 80%.
Monday
A 20 percent chance of snow before 1pm. Partly sunny, with a high near 30. Blustery.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairmont City IL
 38.64°N 90.12°W (Elev. 407 ft)
Last Update:
5:41 pm CDT Mar 12, 2026
Forecast Valid:
6pm CDT Mar 12, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation