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

Hazardous Weather Conditions

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

6°F

-14°C

Humidity 86%
Wind Speed Calm
Barometer 30.42 in
Dewpoint 2°F (-17°C)
Visibility NA
Last update 1 Feb 3:15 am CST
Extended Forecast for

Plymouth IL

  • Overnight

    Overnight: Mostly clear, with a low around 6. Wind chill values as low as -5. Southwest wind around 5 mph.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 26. Wind chill values as low as -5. South wind 5 to 15 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly before 7pm. Mostly cloudy, with a steady temperature around 23. South wind around 5 mph becoming west after midnight.

    Low: 23 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34. West wind around 5 mph.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Wednesday Night

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

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 6. Wind chill values as low as -5. Southwest wind around 5 mph.
Sunday
A 50 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 26. Wind chill values as low as -5. South wind 5 to 15 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 40 percent chance of snow, mainly before 7pm. Mostly cloudy, with a steady temperature around 23. South wind around 5 mph becoming west after midnight.
Monday
Mostly sunny, with a high near 34. West wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plymouth IL
 40.29°N 90.91°W (Elev. 650 ft)
Last Update:
3:16 am CST Feb 1, 2026
Forecast Valid:
3am CST Feb 1, 2026-6pm CST Feb 7, 2026
 
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