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

35°F

2°C

Humidity 48%
Wind Speed Calm
Barometer 30.44 in (1031.2 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 28 Nov 12:53 pm CST
Extended Forecast for

3 Miles NNE Fairmont City IL

Winter Weather Advisory November 29, 12:00am until November 30, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 39. Calm wind becoming southeast around 5 mph.

    High: 39 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly after 3am. Low around 30. Southeast wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Slight Chance
    Snow then
    Snow

  • Saturday

    Saturday: Rain and snow, possibly mixed with sleet before 3pm, then rain, possibly mixed with snow between 3pm and 4pm, then rain after 4pm. High near 39. Southeast wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

    High: 39 °F

    Wintry Mix

  • Saturday Night

    Saturday Night: Rain and snow likely before 11pm, then a slight chance of snow between 11pm and midnight. Cloudy, with a low around 25. South wind 15 to 18 mph becoming west after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 25 °F

    Rain/Snow
    Likely then
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 30. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 30 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow after noon. Cloudy, with a high near 30.

    High: 30 °F

    Cloudy then
    Chance Snow

  • Monday Night

    Monday Night: A 50 percent chance of snow, mainly before midnight. Cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 39. Calm wind becoming southeast around 5 mph.
Tonight
Snow, mainly after 3am. Low around 30. Southeast wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Saturday
Rain and snow, possibly mixed with sleet before 3pm, then rain, possibly mixed with snow between 3pm and 4pm, then rain after 4pm. High near 39. Southeast wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Saturday Night
Rain and snow likely before 11pm, then a slight chance of snow between 11pm and midnight. Cloudy, with a low around 25. South wind 15 to 18 mph becoming west after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Mostly cloudy, with a high near 30. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
A 30 percent chance of snow after noon. Cloudy, with a high near 30.
Monday Night
A 50 percent chance of snow, mainly before midnight. Cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Fairmont City IL
 38.68°N 90.09°W (Elev. 404 ft)
Last Update:
1:36 pm CST Nov 28, 2025
Forecast Valid:
1pm CST Nov 28, 2025-6pm CST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation