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

43°F

6°C

Humidity 71%
Wind Speed SW 8 mph
Barometer 30.26 in (1024.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 6 Apr 12:54 am CDT
Extended Forecast for

Mendon IL

  • Overnight

    Overnight: Clear, with a low around 39. West wind around 8 mph.

    Low: 39 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 56. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 56 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Rain likely before 2am, then rain and snow between 2am and 3am, then snow after 3am. Low around 32. North wind 9 to 11 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 32 °F

    Chance Rain
    then
    Rain/Snow

  • Tuesday

    Tuesday: Snow before 10am, then a chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. High near 47. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 47 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. East wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 39. West wind around 8 mph.
Monday
Increasing clouds, with a high near 56. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Monday Night
Rain likely before 2am, then rain and snow between 2am and 3am, then snow after 3am. Low around 32. North wind 9 to 11 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Tuesday
Snow before 10am, then a chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. High near 47. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Mostly cloudy, with a low around 41. East wind 10 to 14 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 67.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
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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:
1:26 am CDT Apr 6, 2026
Forecast Valid:
1am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation