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.

A Few Clouds

7°F

-14°C

Humidity 52%
Wind Speed NW 18 mph
Barometer 30.43 in (1031.7 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill-12°F (-24°C)
Last update 19 Jan 9:54 am CST
Extended Forecast for

Mendon IL

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 16. Wind chill values as low as -10. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 16 °F

    Sunny and
    Blustery then
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 11. West wind around 6 mph becoming light and variable after midnight.

    Low: 11 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. South wind 5 to 8 mph.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a steady temperature around 31. Southeast wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 38. West wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 15.

    High: 15 °F

    Cold

Detailed Forecast

M.L.King Day
Sunny and cold, with a high near 16. Wind chill values as low as -10. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 29 mph.
Tonight
Increasing clouds, with a low around 11. West wind around 6 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 33. South wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a steady temperature around 31. Southeast wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 38. West wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
Mostly cloudy and cold, with a high near 15.
Friday Night
Mostly cloudy, with a low around -5.
Saturday
Partly sunny and cold, with a high near 10.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 3.
Sunday
Mostly sunny, with a high near 21.
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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:
9:57 am CST Jan 19, 2026
Forecast Valid:
10am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation