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.

Light Snow Fog/Mist

23°F

-5°C

Humidity 92%
Wind Speed SW 5 mph
Barometer 30.19 in (1023.5 mb)
Dewpoint 21°F (-6°C)
Visibility 0.75 mi
Wind Chill17°F (-8°C)
Last update 1 Dec 1:54 pm CST
Extended Forecast for

Mendon IL

Winter Weather Advisory December 1, 02:28pm until December 1, 09:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 1, 02:28pm until December 1, 09:00pm

    NOW until 9:00pm Mon

    Winter Weather Advisory

  • This Afternoon

    High: 23 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 8pm. Low around 14. Calm wind becoming west around 6 mph in the evening. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 26. West wind 5 to 8 mph becoming south in the afternoon.

    High: 26 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. South wind 7 to 10 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 35. South wind 9 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 14.

    High: 14 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Snow. High near 23. Calm wind. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before 8pm. Low around 14. Calm wind becoming west around 6 mph in the evening. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly cloudy, with a high near 26. West wind 5 to 8 mph becoming south in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 22. South wind 7 to 10 mph.
Wednesday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 35. South wind 9 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 1.
Thursday
Sunny and cold, with a high near 14.
Thursday Night
Mostly clear, with a low around 3.
Friday
Mostly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Mostly cloudy, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendon IL
 40.08°N 91.29°W (Elev. 702 ft)
Last Update:
2:21 pm CST Dec 1, 2025
Forecast Valid:
2pm CST Dec 1, 2025-6pm CST Dec 7, 2025
 
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