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.

Mostly Cloudy

69°F

21°C

Humidity 44%
Wind Speed SE 12 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 10 Oct 7:54 pm CDT
Extended Forecast for

Byron IL

  • Tonight

    Tonight: Partly cloudy, with a low around 53. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79. Light south southeast wind becoming south 5 to 10 mph in the morning.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 85. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly clear, with a low around 54.

    Low: 54 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 79. Light south southeast wind becoming south 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 61. South wind around 5 mph, with gusts as high as 15 mph.
Columbus Day
Mostly sunny, with a high near 85. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 66. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 54.
Wednesday
A chance of showers. Partly sunny, with a high near 71.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 52.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 63. Breezy.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 57.
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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:
7:35 pm CDT Oct 10, 2026
Forecast Valid:
8pm CDT Oct 10, 2026-6pm CDT Oct 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