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

31°F

-1°C

Humidity 37%
Wind Speed W 9 mph
Barometer 30.49 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 23 Feb 2:35 pm CST
Extended Forecast for

Colchester IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 29. Northwest wind 5 to 10 mph.

    High: 29 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 17 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, with a high near 51. Breezy, with a south wind 10 to 15 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 51 °F

    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • 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 43.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 29. Northwest wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
Cloudy, with a high near 51. Breezy, with a south wind 10 to 15 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 44.
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 43.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Colchester IL
 40.42°N 90.78°W (Elev. 669 ft)
Last Update:
1:46 pm CST Feb 23, 2026
Forecast Valid:
2pm CST Feb 23, 2026-6pm CST Mar 1, 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