Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

92°F

33°C

Humidity 67%
Wind Speed S 5 mph
Barometer 29.95 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 2 Sep 5:55 pm CDT
Extended Forecast for

Colchester IL

Extreme Heat Warning September 2, 06:16pm until September 4, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 2, 06:16pm until September 4, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 102. South wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Heat index values as high as 102. Southwest wind around 5 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 74. South wind 5 to 10 mph.
Thursday
Sunny, with a high near 94. Heat index values as high as 102. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 75. South wind around 5 mph.
Friday
Sunny, with a high near 94. Heat index values as high as 102. Southwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 74.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 69.
Labor Day
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 90.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Colchester IL
 40.42°N 90.78°W (Elev. 669 ft)
6:11 pm CDT Sep 2, 2026
6pm CDT Sep 2, 2026-6pm CDT Sep 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database