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

54°F

12°C

Humidity 80%
Wind Speed N 8 mph
Barometer 29.87 in (1011.2 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 24 Apr 10:54 pm CDT
Extended Forecast for

Mendon IL

  • Tonight

    Tonight: Clear, with a low around 47. Northeast wind around 6 mph.

    Low: 47 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 76. East wind 7 to 9 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. East wind 7 to 10 mph.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76. Southeast wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 60. Southeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 76. Breezy. Chance of precipitation is 90%.

    High: 76 °F

    Showers
    Likely then
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 47. Northeast wind around 6 mph.
Saturday
Sunny, with a high near 76. East wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 49. East wind 7 to 10 mph.
Sunday
Mostly sunny, with a high near 76. Southeast wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 60. Southeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Monday
Showers and possibly a thunderstorm. High near 76. Breezy. Chance of precipitation is 90%.
Monday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 47.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 66.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 46.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendon IL
 40.08°N 91.29°W (Elev. 702 ft)
Last Update:
10:31 pm CDT Apr 24, 2026
Forecast Valid:
11pm CDT Apr 24, 2026-6pm CDT May 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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