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

48°F

9°C

Humidity 71%
Wind Speed S 7 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 8 Jan 3:53 am CST
Extended Forecast for

Trenton ILSimilar City Names

  • Today

    Today: A chance of rain before 3pm, then a chance of rain and thunderstorms between 3pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. Patchy fog between 7am and 9am. Otherwise, cloudy, with a high near 64. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%.

    High: 64 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely and
    Breezy

  • Tonight

    Tonight: Rain and thunderstorms before 3am, then a slight chance of rain between 3am and 5am. Low around 47. Breezy, with a south wind 15 to 25 mph becoming west after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 80%.

    Low: 47 °F

    Rain and
    Breezy then
    Slight Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 55. West wind 12 to 17 mph becoming north 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 55 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 40. Northeast wind 3 to 8 mph.

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Partly sunny, with a high near 45. Northwest wind 9 to 17 mph.

    High: 45 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

Detailed Forecast

Today
A chance of rain before 3pm, then a chance of rain and thunderstorms between 3pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. Patchy fog between 7am and 9am. Otherwise, cloudy, with a high near 64. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%.
Tonight
Rain and thunderstorms before 3am, then a slight chance of rain between 3am and 5am. Low around 47. Breezy, with a south wind 15 to 25 mph becoming west after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 80%.
Friday
Partly sunny, with a high near 55. West wind 12 to 17 mph becoming north 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 40. Northeast wind 3 to 8 mph.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 45. Northwest wind 9 to 17 mph.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 22.
Monday
Sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Trenton ILSimilar City Names
 38.6°N 89.69°W (Elev. 502 ft)
Last Update:
4:46 am CST Jan 8, 2026
Forecast Valid:
4am CST Jan 8, 2026-6pm CST Jan 14, 2026
 
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