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

20°F

-7°C

Humidity 62%
Wind Speed S 8 mph
Barometer 30.25 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 24 Feb 12:35 am CST
Extended Forecast for

Plymouth IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 18. South wind 5 to 10 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50. Breezy, with a south wind 10 to 15 mph becoming south 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 50 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 26. West wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 26 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Increasing clouds, with a high near 44. Northwest wind 5 to 10 mph.

    High: 44 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 3am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 18. South wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 50. Breezy, with a south wind 10 to 15 mph becoming south 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 26. West wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Increasing clouds, with a high near 44. Northwest wind 5 to 10 mph.
Wednesday Night
Rain and snow likely, becoming all snow after 3am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Monday
A chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 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:
10:42 pm CST Feb 23, 2026
Forecast Valid:
12am CST Feb 24, 2026-6pm CST Mar 2, 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