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

32°F

0°C

Humidity 69%
Wind Speed W 15 G 24 mph
Barometer 29.80 in (1009.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 16 Jan 7:54 pm CST
Extended Forecast for

Mendon IL

  • Tonight

    Tonight: A slight chance of snow before 2am, then a chance of flurries after 3am. Mostly cloudy, with a low around 16. Northwest wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 16 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of flurries, mainly before noon. Mostly cloudy and cold, with a high near 20. West wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 20 °F

    Chance
    Flurries

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 7 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 31. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 9. Northwest wind 11 to 18 mph, with gusts as high as 30 mph.

    Low: 9 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 18.

    High: 18 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow before 2am, then a chance of flurries after 3am. Mostly cloudy, with a low around 16. Northwest wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Saturday
A chance of flurries, mainly before noon. Mostly cloudy and cold, with a high near 20. West wind 15 to 17 mph, with gusts as high as 26 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, with a high near 31. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 9. Northwest wind 11 to 18 mph, with gusts as high as 30 mph.
M.L.King Day
Sunny and cold, with a high near 18.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
A slight chance of freezing rain. Partly cloudy, with a low around 19. Chance of precipitation is 20%.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 20%.
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:
7:57 pm CST Jan 16, 2026
Forecast Valid:
8pm CST Jan 16, 2026-6pm CST Jan 23, 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