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

83°F

28°C

Humidity 25%
Wind Speed N 12 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 20 Mar 4:54 pm CDT
Extended Forecast for

Mendon IL

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Northwest wind 6 to 9 mph becoming east after midnight.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. Southeast wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. South wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 76. Breezy, with a southwest wind 11 to 20 mph becoming north in the afternoon. Winds could gust as high as 31 mph.

    High: 76 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. North wind 11 to 18 mph, with gusts as high as 29 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. Northwest wind 6 to 9 mph becoming east after midnight.
Saturday
Sunny, with a high near 83. Southeast wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 62. South wind 9 to 14 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, with a high near 76. Breezy, with a southwest wind 11 to 20 mph becoming north in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 37. North wind 11 to 18 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly cloudy, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 76.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 50.
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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:
1:56 pm CDT Mar 20, 2026
Forecast Valid:
5pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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