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

42°F

6°C

Humidity 76%
Wind Speed NW 10 mph
Barometer 30.28 in (1025.6 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 6 Apr 5:54 am CDT
Extended Forecast for

Mendon IL

  • Today

    Today: 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

  • Tonight

    Tonight: Snow, possibly mixed with rain. Low around 32. North wind 9 to 11 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Chance Rain
    then
    Rain/Snow

  • Tuesday

    Tuesday: Snow before 1pm, then a slight chance of rain between 1pm and 4pm. 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

    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. South wind 15 to 18 mph, with gusts as high as 30 mph.

    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

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 56. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Tonight
Snow, possibly mixed with rain. Low around 32. North wind 9 to 11 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday
Snow before 1pm, then a slight chance of rain between 1pm and 4pm. 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. South wind 15 to 18 mph, with gusts as high as 30 mph.
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 chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
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:
4:21 am CDT Apr 6, 2026
Forecast Valid:
6am 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