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

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 72°F (22°C)
Visibility 0.25 mi
Last update 18 Aug 5:55 am CDT
Extended Forecast for

2 Miles NW Avon IL

Heat Advisory August 18, 12:00pm until August 18, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm. Areas of fog before 9am. Otherwise, sunny, with a high near 93. Heat index values as high as 106. Southeast wind 5 to 10 mph becoming south in the afternoon.

    High: 93 °F

    Areas Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 72. South wind around 5 mph becoming west after midnight. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 100. Calm wind becoming northwest around 5 mph in the morning.

    High: 88 °F

    Chance
    T-storms and
    Patchy Fog
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. North wind around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Areas of fog before 9am. Otherwise, sunny, with a high near 93. Heat index values as high as 106. Southeast wind 5 to 10 mph becoming south in the afternoon.
Tonight
A 50 percent chance of showers and thunderstorms. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 72. South wind around 5 mph becoming west after midnight. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 100. Calm wind becoming northwest around 5 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 67. North wind around 5 mph.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Avon IL
 40.68°N 90.48°W (Elev. 650 ft)
Last Update:
5:17 am CDT Aug 18, 2025
Forecast Valid:
6am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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