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

30°F

-1°C

Humidity 75%
Wind Speed E 7 mph
Barometer 30.16 in (1022.2 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 8 Feb 8:54 pm CST
Extended Forecast for

Mendon IL

  • Tonight

    Tonight: Mostly clear, with a low around 28. East wind 5 to 7 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 54. East wind 5 to 9 mph becoming south in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. South wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. North wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29. North wind around 7 mph.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.

    High: 43 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 28. East wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 54. East wind 5 to 9 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 38. South wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 52. North wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 29. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
A slight chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Thursday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 30.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 42.
Friday Night
A 30 percent chance of rain. Partly cloudy, with a low around 31.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Sunday
A slight chance of rain and snow. Sunny, with a high near 48. Chance of precipitation is 20%.
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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:
9:26 pm CST Feb 8, 2026
Forecast Valid:
9pm CST Feb 8, 2026-6pm CST Feb 15, 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