National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

22°F

-6°C

Humidity 89%
Wind Speed S 12 mph
Barometer 30.03 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 2 Dec 7:55 pm CST
Extended Forecast for

Plymouth IL

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 25 by 5am. South wind around 10 mph.

    Low: 21 °F⇑

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly between noon and 5pm. Cloudy, with a high near 35. Southwest wind 10 to 15 mph becoming north in the afternoon.

    High: 35 °F

    Cloudy then
    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 2. Wind chill values as low as -10. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 2 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 15. Wind chill values as low as -10. North wind around 5 mph becoming calm.

    High: 15 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a temperature rising to around 25 by 5am. South wind around 10 mph.
Wednesday
A 40 percent chance of snow, mainly between noon and 5pm. Cloudy, with a high near 35. Southwest wind 10 to 15 mph becoming north in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 2. Wind chill values as low as -10. North wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 15. Wind chill values as low as -10. North wind around 5 mph becoming calm.
Thursday Night
Mostly clear, with a low around 1.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Mostly cloudy, with a high near 30.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plymouth IL
 40.29°N 90.91°W (Elev. 650 ft)
Last Update:
7:01 pm CST Dec 2, 2025
Forecast Valid:
8pm CST Dec 2, 2025-6pm CST Dec 9, 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