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.

Overcast

56°F

13°C

Humidity 36%
Wind Speed S 12 mph
Barometer 30.16 in (1021.2 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 29 Mar 11:54 am CDT
Extended Forecast for

Mendon IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 65. South wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 65 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 56. South wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 56 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 83. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 65. South wind 13 to 17 mph, with gusts as high as 29 mph.

    Low: 65 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of rain and thunderstorms before 7am, then a chance of rain between 7am and 1pm, then rain likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Breezy, with a south wind 17 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.

    High: 81 °F

    Chance Rain
    and Breezy
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain and thunderstorms before 10am, then a chance of rain between 10am and 1pm, then rain likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely. Cloudy, with a high near 53. Chance of precipitation is 70%.

    High: 53 °F

    Rain Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 65. South wind 13 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 56. South wind 8 to 13 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 83. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Monday Night
A 30 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 65. South wind 13 to 17 mph, with gusts as high as 29 mph.
Tuesday
A chance of rain and thunderstorms before 7am, then a chance of rain between 7am and 1pm, then rain likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Breezy, with a south wind 17 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 47. Chance of precipitation is 80%.
Wednesday
A chance of rain and thunderstorms before 10am, then a chance of rain between 10am and 1pm, then rain likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 52. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 40. Chance of precipitation is 70%.
Thursday
Rain likely. Cloudy, with a high near 53. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 42.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 71.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 63. 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:
11:56 am CDT Mar 29, 2026
Forecast Valid:
12pm CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation