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.

Mostly Cloudy

68°F

20°C

Humidity 49%
Wind Speed SW 15 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 10 Apr 12:54 am CDT
Extended Forecast for

Mendon IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 53. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Friday

    Friday: Showers and thunderstorms likely before 9am, then a slight chance of showers between 9am and 10am. Mostly cloudy, with a high near 61. North wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Northeast wind around 8 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 66. East wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60. Southeast wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 70%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 53. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Friday
Showers and thunderstorms likely before 9am, then a slight chance of showers between 9am and 10am. Mostly cloudy, with a high near 61. North wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 47. Northeast wind around 8 mph.
Saturday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 66. East wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 60. Southeast wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Monday
A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 79.
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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 10, 2026
Forecast Valid:
1am CDT Apr 10, 2026-6pm CDT Apr 16, 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