National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Quincy Regional Airport-Baldwin Field (KUIN)

Lat: 39.94°NLon: 91.2°WElev: 759ft.

Fair

68°F

20°C

Humidity 51%
Wind Speed N 18 mph
Barometer 29.70 in (1005.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 22 Mar 12:54 pm CDT
Extended Forecast for

Mendon IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 72. Breezy, with a north wind 17 to 21 mph, with gusts as high as 33 mph.

    High: 72 °F

    Cloudy and
    Breezy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 33. North wind 10 to 18 mph, with gusts as high as 29 mph.

    Low: 33 °F

    Gradual
    Clearing

  • Monday

    Monday: Increasing clouds, with a high near 53. Northeast wind around 8 mph.

    High: 53 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Southeast wind 6 to 9 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61. South wind around 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 1pm. Mostly sunny, with a high near 84.

    High: 84 °F

    Sunny then
    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Cloudy, with a high near 72. Breezy, with a north wind 17 to 21 mph, with gusts as high as 33 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 33. North wind 10 to 18 mph, with gusts as high as 29 mph.
Monday
Increasing clouds, with a high near 53. Northeast wind around 8 mph.
Monday Night
Mostly cloudy, with a low around 38. Southeast wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 61. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A 20 percent chance of rain after 1pm. Mostly sunny, with a high near 84.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 49. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 57.
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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:
1:25 pm CDT Mar 22, 2026
Forecast Valid:
1pm CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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