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

64°F

18°C

Humidity 73%
Wind Speed SW 10 mph
Barometer 29.80 in (1008.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Nov 10:54 pm CST
Extended Forecast for

Mendon IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 74. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 74 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. North wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. North wind around 6 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Light and variable wind becoming east 5 to 7 mph after midnight.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of rain after noon. Partly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 74. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Mostly clear, with a low around 38. North wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 55. North wind around 6 mph.
Sunday Night
Mostly clear, with a low around 37. Light and variable wind becoming east 5 to 7 mph after midnight.
Monday
A 30 percent chance of rain after noon. Partly sunny, with a high near 55.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 55.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44.
Thursday
Rain likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendon IL
 40.1°N 91.29°W (Elev. 699 ft)
Last Update:
8:51 pm CST Nov 14, 2025
Forecast Valid:
11pm CST Nov 14, 2025-6pm CST Nov 21, 2025
 
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