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

37°F

3°C

Humidity 76%
Wind Speed SW 14 mph
Barometer 29.86 in (1011.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 5 Jan 2:54 am CST
Extended Forecast for

Mendon IL

  • Overnight

    Overnight: Partly cloudy, with a low around 34. Southwest wind around 10 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53. Southwest wind 7 to 9 mph becoming southeast in the afternoon.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. Southeast wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. West wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. West wind around 6 mph.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. Southwest wind around 10 mph.
Monday
Partly sunny, with a high near 53. Southwest wind 7 to 9 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 42. Southeast wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 52. West wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 34. West wind around 6 mph.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 56.
Thursday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 50.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendon IL
 40.08°N 91.29°W (Elev. 702 ft)
Last Update:
3:16 am CST Jan 5, 2026
Forecast Valid:
3am CST Jan 5, 2026-6pm CST Jan 11, 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