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

53°F

12°C

Humidity 72%
Wind Speed E 7 mph
Barometer 29.87 in (1011.2 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 21 Mar 6:54 am CDT
Extended Forecast for

Mendon IL

  • Today

    Today: Sunny, with a high near 88. Southeast wind 6 to 13 mph becoming southwest in the afternoon.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 72. Breezy, with a southwest wind 10 to 15 mph becoming north 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 72 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. North wind 10 to 18 mph, with gusts as high as 29 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55. Northeast wind 7 to 9 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 88. Southeast wind 6 to 13 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 62. South wind 7 to 14 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, with a high near 72. Breezy, with a southwest wind 10 to 15 mph becoming north 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 35. North wind 10 to 18 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 55. Northeast wind 7 to 9 mph.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 39.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 53.
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:
4:16 am CDT Mar 21, 2026
Forecast Valid:
7am CDT Mar 21, 2026-6pm CDT Mar 27, 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