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.

A Few Clouds

80°F

27°C

Humidity 54%
Wind Speed S 13 mph
Barometer 29.83 in (1009.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 12 Oct 11:54 am CDT
Extended Forecast for

Byron IL

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 87. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely. Increasing clouds, with a low around 60. Calm wind. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 70. Northeast wind 5 to 10 mph.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 57. Breezy.

    High: 57 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Columbus Day
Mostly sunny, with a high near 87. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 69. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 81. West wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Showers and thunderstorms likely. Increasing clouds, with a low around 60. Calm wind. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 70. Northeast wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 52.
Thursday
Showers and possibly a thunderstorm. High near 64. Chance of precipitation is 80%.
Thursday Night
A chance of showers before 1am. Mostly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 57. Breezy.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 56.
Saturday Night
Clear, with a low around 36.
Sunday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.11°N 89.27°W
Last Update:
12:17 pm CDT Oct 12, 2026
Forecast Valid:
12pm CDT Oct 12, 2026-6pm CDT Oct 18, 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