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

26°F

-3°C

Humidity 69%
Wind Speed SE 7 mph
Barometer 30.17 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 9 Feb 8:55 am CST
Extended Forecast for

Marietta IL

  • Today

    Today: Partly sunny, with a high near 49. South wind 6 to 9 mph, with gusts as high as 16 mph.

    High: 49 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. South southeast wind around 10 mph becoming northwest after midnight. Winds could gust as high as 22 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. North northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. North northwest wind around 7 mph, with gusts as high as 16 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. North northwest wind 3 to 6 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 29. Light and variable wind.

    Low: 29 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of rain and snow after noon. Cloudy, with a high near 42. East southeast wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 42 °F

    Cloudy then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 49. South wind 6 to 9 mph, with gusts as high as 16 mph.
Tonight
Partly cloudy, with a low around 39. South southeast wind around 10 mph becoming northwest after midnight. Winds could gust as high as 22 mph.
Tuesday
Mostly sunny, with a high near 51. North northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 27. North northwest wind around 7 mph, with gusts as high as 16 mph.
Wednesday
Mostly sunny, with a high near 46. North northwest wind 3 to 6 mph.
Wednesday Night
Increasing clouds, with a low around 29. Light and variable wind.
Thursday
A chance of rain and snow after noon. Cloudy, with a high near 42. East southeast wind 3 to 7 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 42.
Friday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 28.
Saturday
A chance of rain. Mostly cloudy, with a high near 43.
Saturday Night
A chance of rain. Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marietta IL
 40.5°N 90.41°W (Elev. 650 ft)
Last Update:
8:36 am CST Feb 9, 2026
Forecast Valid:
9am CST Feb 9, 2026-6pm CST Feb 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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