National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Quincy Regional Airport-Baldwin Field (KUIN)

Lat: 39.94°NLon: 91.2°WElev: 759ft.

A Few Clouds

66°F

19°C

Humidity 90%
Wind Speed N 9 mph
Barometer 30.03 in (1016.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Oct 9:54 am CDT
Extended Forecast for

Clayton IL

  • Today

    Today: A 40 percent chance of showers, mainly before 2pm. Cloudy, with a high near 71. North wind 7 to 9 mph.

    High: 71 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 4am. Cloudy, with a low around 60. East wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Cloudy then
    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog between 8am and noon. High near 73. East wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 100%.

    High: 73 °F

    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 46. Northwest wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 56. Breezy, with a northwest wind 18 to 24 mph, with gusts as high as 36 mph.

    High: 56 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers, mainly before 2pm. Cloudy, with a high near 71. North wind 7 to 9 mph.
Tonight
A chance of showers, with thunderstorms also possible after 4am. Cloudy, with a low around 60. East wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog between 8am and noon. High near 73. East wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 100%.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 46. Northwest wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 56. Breezy, with a northwest wind 18 to 24 mph, with gusts as high as 36 mph.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 61.
Saturday Night
Clear, with a low around 40.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clayton IL
 40.03°N 90.94°W (Elev. 728 ft)
Last Update:
5:06 am CDT Oct 14, 2026
Forecast Valid:
10am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
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