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

55°F

13°C

Humidity 96%
Wind Speed W 3 mph
Barometer 29.97 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 3 Sep 2:15 am CDT
Extended Forecast for

Colchester IL

  • Overnight

    Overnight: Mostly clear, with a low around 56. Southwest wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Scattered showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then scattered showers and thunderstorms after 5pm. Increasing clouds, with a high near 78. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 78 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before 7pm. Partly cloudy, with a low around 47. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 47 °F

    Scattered
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 72. Northwest wind 5 to 10 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Southwest wind around 5 mph.
Wednesday
Scattered showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then scattered showers and thunderstorms after 5pm. Increasing clouds, with a high near 78. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Scattered showers, mainly before 7pm. Partly cloudy, with a low around 47. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 72. Northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 48.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Colchester IL
 40.42°N 90.81°W (Elev. 666 ft)
Last Update:
2:31 am CDT Sep 3, 2025
Forecast Valid:
2am CDT Sep 3, 2025-6pm CDT Sep 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