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

38°F

3°C

Humidity 65%
Wind Speed SW 20 G 25 mph
Barometer 29.90 in (1013.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 5 Feb 12:54 pm CST
Extended Forecast for

Mendon IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 42. West wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. West wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 44. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 36 mph.

    High: 44 °F

    Increasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. North wind 7 to 17 mph, with gusts as high as 29 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 35. Northeast wind 6 to 8 mph becoming southeast in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 42. West wind 8 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 29. West wind 6 to 11 mph, with gusts as high as 21 mph.
Friday
Increasing clouds, with a high near 44. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 36 mph.
Friday Night
Partly cloudy, with a low around 20. North wind 7 to 17 mph, with gusts as high as 29 mph.
Saturday
Mostly sunny, with a high near 35. Northeast wind 6 to 8 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 40.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 63.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendon IL
 40.08°N 91.29°W (Elev. 702 ft)
Last Update:
12:26 pm CST Feb 5, 2026
Forecast Valid:
1pm CST Feb 5, 2026-6pm CST Feb 11, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation