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

72°F

22°C

Humidity 79%
Wind Speed S 18 G 26 mph
Barometer 29.55 in (1000.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 27 Apr 2:54 pm CDT
Extended Forecast for

Mendon IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 79. Breezy, with a southwest wind around 20 mph, with gusts as high as 32 mph.

    High: 79 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Some of the storms could be severe. Mostly cloudy, with a low around 48. West wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 48 °F

    Severe
    Thunderstorms
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. Northwest wind 7 to 9 mph.

    High: 63 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly between 7pm and 1am. Mostly cloudy, with a low around 46. North wind 6 to 10 mph.

    Low: 46 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 63. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 79. Breezy, with a southwest wind around 20 mph, with gusts as high as 32 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Some of the storms could be severe. Mostly cloudy, with a low around 48. West wind 11 to 15 mph, with gusts as high as 24 mph.
Tuesday
Mostly cloudy, with a high near 63. Northwest wind 7 to 9 mph.
Tuesday Night
A 40 percent chance of showers, mainly between 7pm and 1am. Mostly cloudy, with a low around 46. North wind 6 to 10 mph.
Wednesday
Sunny, with a high near 63. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 65.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 73.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 51.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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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:
1:36 pm CDT Apr 27, 2026
Forecast Valid:
3pm CDT Apr 27, 2026-6pm CDT May 4, 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