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

Rockford, Greater Rockford Airport (KRFD)

Lat: 42.19°NLon: 89.09°WElev: 735ft.

Overcast

38°F

3°C

Humidity 93%
Wind Speed Calm
Barometer 30.02 in (1016.9 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 10 Nov 11:54 pm CST
Extended Forecast for

Byron IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: Showers likely, mainly before 3pm. Mostly cloudy, with a high near 49. Light and variable wind becoming north northeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 37. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 9am. Partly sunny, with a high near 44. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 44 °F

    Breezy.
    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Calm wind.
Veterans Day
Showers likely, mainly before 3pm. Mostly cloudy, with a high near 49. Light and variable wind becoming north northeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 37. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
A 30 percent chance of showers, mainly before 9am. Partly sunny, with a high near 44. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 27. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 22.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 25.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.13°N 89.27°W
Last Update:
12:50 am CST Nov 11, 2026
Forecast Valid:
12am CST Nov 11, 2026-6pm CST Nov 17, 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