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

48°F

9°C

Humidity 80%
Wind Speed S 8 mph
Barometer 29.89 in (1011.9 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 20 Mar 5:54 am CDT
Extended Forecast for

Mendon IL

  • Today

    Today: Mostly sunny, with a high near 79. Southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 48. North wind around 6 mph becoming southeast after midnight.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. Southeast wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. South wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 79. Southwest wind 13 to 18 mph becoming north in the afternoon. Winds could gust as high as 29 mph.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

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

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Tonight
Partly cloudy, with a low around 48. North wind around 6 mph becoming southeast after midnight.
Saturday
Sunny, with a high near 80. Southeast wind 6 to 11 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 8 to 14 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, with a high near 79. Southwest wind 13 to 18 mph becoming north in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 74.
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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:
4:46 am CDT Mar 20, 2026
Forecast Valid:
6am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation