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

57°F

14°C

Humidity 44%
Wind Speed SW 12 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 30 Apr 9:54 am CDT
Extended Forecast for

Mendon IL

  • Today

    Today: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 61. West wind 7 to 10 mph. Chance of precipitation is 60%.

    High: 61 °F

    Partly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 38. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 58. Northwest wind 6 to 9 mph.

    High: 58 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. North wind 5 to 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Northwest wind 6 to 10 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 73.

    High: 73 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 61. West wind 7 to 10 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 38. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Friday
A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 58. Northwest wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 39. North wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 61. Northwest wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 42.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 73.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 71. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 65.
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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:
8:01 am CDT Apr 30, 2026
Forecast Valid:
10am CDT Apr 30, 2026-6pm CDT May 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation