Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Mostly Cloudy

77°F

25°C

Humidity 76%
Wind Speed N 10 mph
Barometer 29.94 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 2 Aug 12:15 pm CDT
Extended Forecast for

Marietta IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. North wind around 10 mph, with gusts as high as 17 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. East southeast wind 3 to 5 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Thursday

    Thursday: A 40 percent chance of showers before 1pm.  Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. North wind around 10 mph, with gusts as high as 17 mph.
Tonight
Mostly clear, with a low around 60. North wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 83. Light and variable wind.
Monday Night
Mostly clear, with a low around 62. East southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 85. Calm wind.
Tuesday Night
Partly cloudy, with a low around 64. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Calm wind.
Wednesday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Thursday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta IL
 40.5°N 90.41°W (Elev. 650 ft)
10:40 am CDT Aug 2, 2026
12pm CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
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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