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

36°F

2°C

Humidity 52%
Wind Speed W 5 mph
Barometer 29.54 in (1001.0 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 24 Feb 7:54 pm CST
Extended Forecast for

Byron IL

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 22. West northwest wind 10 to 15 mph.

    Low: 22 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 32. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. Northwest wind around 5 mph becoming calm in the evening.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. Southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of snow after noon. Mostly cloudy, with a high near 38.

    High: 38 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 22. West northwest wind 10 to 15 mph.
Wednesday
Sunny, with a high near 32. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 20. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 42. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 25. Southwest wind around 5 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 27.
Saturday
A chance of snow after noon. Mostly cloudy, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
A chance of snow after noon. Partly sunny, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 40.
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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:
6:01 pm CST Feb 24, 2026
Forecast Valid:
8pm CST Feb 24, 2026-6pm CST Mar 3, 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