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

72°F

22°C

Humidity 87%
Wind Speed Calm
Barometer 29.99 in (1015.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 16 Jun 1:53 am CDT
Extended Forecast for

Fairmont City IL

  • Overnight

    Overnight: Cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly cloudy, with a high near 85. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 85 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind around 7 mph.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
Cloudy, with a low around 70. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly cloudy, with a high near 85. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind around 7 mph.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70.
Juneteenth
Mostly sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairmont City IL
 38.66°N 90.09°W (Elev. 410 ft)
Last Update:
10:51 pm CDT Jun 15, 2025
Forecast Valid:
1am CDT Jun 16, 2025-6pm CDT Jun 22, 2025
 
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