Areas of Showers and Thunderstorms to Start the Work Week

Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Thunderstorm Heavy Rain

75°F

24°C

Humidity 84%
Wind Speed N 7 mph
Barometer 29.92 in (1012.9 mb)
Dewpoint 70°F (21°C)
Visibility 5.00 mi
Last update 20 Sep 10:53 pm CDT
Extended Forecast for

Fairmont City IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am.  Low around 68. Northeast wind 3 to 7 mph.  Chance of precipitation is 90%.

    Low: 68 °F

    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am.  Mostly cloudy, with a high near 75. North wind 5 to 8 mph.  Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. Northeast wind 5 to 9 mph.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. North wind 8 to 10 mph.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. Northeast wind 5 to 11 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Low around 68. Northeast wind 3 to 7 mph. Chance of precipitation is 90%.
Monday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly cloudy, with a high near 75. North wind 5 to 8 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 62. Northeast wind 5 to 9 mph.
Tuesday
Partly sunny, with a high near 75. North wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 55. Northeast wind 5 to 11 mph.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 78.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 80.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Fairmont City IL
 38.66°N 90.09°W (Elev. 410 ft)
11:51 pm CDT Sep 20, 2026
12am CDT Sep 21, 2026-6pm CDT Sep 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database