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.

Fair

68°F

20°C

Humidity 57%
Wind Speed SW 3 mph
Barometer 29.71 in (1005.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 9 Mar 8:54 pm CDT
Extended Forecast for

Clayton IL

  • Tonight

    Tonight: Mostly clear, with a low around 59. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of rain and thunderstorms after 3pm. Partly sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 1am. Low around 44. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 44 °F

    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers, mainly before 1pm. Temperature falling to around 44 by 5pm. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 52 °F⇓

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Friday Night

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

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of rain and thunderstorms after 3pm. Partly sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 1am. Low around 44. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Wednesday
Showers, mainly before 1pm. Temperature falling to around 44 by 5pm. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Wednesday Night
Partly cloudy, with a low around 29. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 52.
Thursday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 43. Breezy.
Friday
Mostly cloudy, with a high near 55.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly cloudy, with a high near 64.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 57. Breezy.
Sunday Night
A slight chance of rain and snow. Partly cloudy, with a low around 23. Blustery. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clayton IL
 40.03°N 90.97°W (Elev. 722 ft)
Last Update:
7:21 pm CDT Mar 9, 2026
Forecast Valid:
9pm CDT Mar 9, 2026-6pm CDT Mar 16, 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