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

83°F

28°C

Humidity 32%
Wind Speed S 9 G 16 mph
Barometer 30.05 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 25 May 6:15 pm CDT
Extended Forecast for

Marietta IL

  • Tonight

    Tonight: Partly cloudy, with a low around 56. South wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 83. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 83 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Calm wind becoming northeast around 5 mph after midnight.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85. East northeast wind 7 to 9 mph, with gusts as high as 17 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. East northeast wind 5 to 7 mph, with gusts as high as 17 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. South wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Tuesday
Increasing clouds, with a high near 83. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 60. Calm wind.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 61. Calm wind becoming northeast around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 85. East northeast wind 7 to 9 mph, with gusts as high as 17 mph.
Thursday Night
Partly cloudy, with a low around 58. East northeast wind 5 to 7 mph, with gusts as high as 17 mph.
Friday
Partly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marietta IL
 40.5°N 90.41°W (Elev. 650 ft)
Last Update:
1:36 pm CDT May 25, 2026
Forecast Valid:
6pm CDT May 25, 2026-6pm CDT Jun 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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