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

51°F

11°C

Humidity 46%
Wind Speed S 9 mph
Barometer 30.00 in (1016.4 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 9 Feb 1:54 pm CST
Extended Forecast for

Mendon IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 53. South wind 8 to 10 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. South wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. North wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. Northwest wind 7 to 9 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. North wind 3 to 7 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon. Cloudy, with a high near 45.

    High: 45 °F

    Cloudy then
    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 53. South wind 8 to 10 mph.
Tonight
Mostly clear, with a low around 39. South wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 51. North wind 9 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 27. Northwest wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 47. North wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A 20 percent chance of rain after noon. Cloudy, with a high near 45.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 46.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 34.
Saturday
Rain likely. Cloudy, with a high near 44. Chance of precipitation is 60%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.
Sunday
A 30 percent chance of rain. Mostly sunny, with a high near 48.
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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:
1:41 pm CST Feb 9, 2026
Forecast Valid:
2pm CST Feb 9, 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