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.

Rain

60°F

16°C

Humidity 100%
Wind Speed E 15 mph
Barometer 29.87 in
Dewpoint 60°F (16°C)
Visibility 2.50 mi
Last update 21 Jun 10:55 am CDT
Extended Forecast for

Avon IL

Flood Watch until June 22, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until June 22, 01:00am

    NOW until 1:00am Mon

    Flood Watch

  • Today

    High: 68 °F

    Heavy Rain

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 55. North wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Heavy Rain
    then Chance
    Showers

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 75. North northeast wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 54. North northeast wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and thunderstorms, mainly before 5pm. Some of the storms could produce heavy rainfall. High near 68. East wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 55. North wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 75. North northeast wind 8 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 54. North northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 77. Calm wind.
Tuesday Night
Partly cloudy, with a low around 58. Calm wind.
Wednesday
Mostly sunny, with a high near 80. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Avon IL
 40.66°N 90.43°W (Elev. 604 ft)
Last Update:
9:16 am CDT Jun 21, 2026
Forecast Valid:
11am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation