National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fog

42°F

6°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 42°F (6°C)
Visibility 0.50 mi
Last update 5 Mar 12:35 am CST
Extended Forecast for

Marietta IL

Dense Fog Advisory March 5, 12:53am until March 5, 06:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 12:53am until March 5, 06:00am

    NOW until 6:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 43 °F

    Chance
    Showers and
    Dense Fog

  • Thursday

    Thursday: A chance of showers before 7am, then a chance of rain between 7am and 9am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 59. Light and variable wind becoming north around 5 mph. Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers and
    Areas Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A 50 percent chance of rain and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 47. Light south southeast wind becoming southeast 5 to 9 mph in the evening. Winds could gust as high as 18 mph.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Rain Likely
    then Chance
    Rain and
    Breezy

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 48. South wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain Likely
    then Rain

  • Saturday

    Saturday: Partly sunny, with a high near 60. West northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Northwest wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 16 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 3am. Widespread dense fog. Otherwise, cloudy, with a low around 43. Calm wind.
Thursday
A chance of showers before 7am, then a chance of rain between 7am and 9am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 59. Light and variable wind becoming north around 5 mph. Chance of precipitation is 30%.
Thursday Night
A 50 percent chance of rain and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 47. Light south southeast wind becoming southeast 5 to 9 mph in the evening. Winds could gust as high as 18 mph.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Rain and possibly a thunderstorm. Low around 48. South wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 60. West northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 34. Northwest wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Sunday
Sunny, with a high near 63.
Sunday Night
Clear, with a low around 45.
Monday
Sunny, with a high near 74.
Monday Night
A chance of rain and thunderstorms. Mostly clear, with a low around 54.
Tuesday
Rain. Mostly cloudy, with a high near 72.
Tuesday Night
Rain. Cloudy, with a low around 41.
Wednesday
A chance of rain. Mostly cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta IL
 40.5°N 90.41°W (Elev. 650 ft)
Last Update:
12:26 am CST Mar 5, 2026
Forecast Valid:
12am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation