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.

Mostly Cloudy

74°F

23°C

Humidity 69%
Wind Speed N 8 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Oct 2:54 pm CDT
Extended Forecast for

Mendon IL

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 4am. Cloudy, with a low around 60. East wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 60 °F

    Cloudy then
    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. High near 73. East wind around 8 mph becoming southwest in the afternoon. Chance of precipitation is 100%.

    High: 73 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Cloudy, with a low around 47. Northwest wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    Low: 47 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 54. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 37 mph.

    High: 54 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. North wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, with thunderstorms also possible after 4am. Cloudy, with a low around 60. East wind 6 to 8 mph. Chance of precipitation is 40%.
Thursday
Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. High near 73. East wind around 8 mph becoming southwest in the afternoon. Chance of precipitation is 100%.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Cloudy, with a low around 47. Northwest wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 54. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 37 mph.
Friday Night
Partly cloudy, with a low around 39. North wind 6 to 14 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 60.
Saturday Night
Clear, with a low around 41.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 46.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendon IL
 40.08°N 91.29°W (Elev. 702 ft)
Last Update:
2:06 pm CDT Oct 14, 2026
Forecast Valid:
3pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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