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

Hazardous Weather Conditions

Current conditions at

Rockford, Greater Rockford Airport (KRFD)

Lat: 42.19°NLon: 89.09°WElev: 735ft.

A Few Clouds

-1°F

-18°C

Humidity 72%
Wind Speed NW 6 mph
Barometer 30.32 in (1028.7 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-13°F (-25°C)
Last update 29 Jan 5:54 am CST
Extended Forecast for

Byron IL

  • Today

    Today: Mostly sunny, with a high near 14. Wind chill values as low as -12. North northwest wind 5 to 10 mph.

    High: 14 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 0. Wind chill values as low as -11. Northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 16. Wind chill values as low as -11. North wind 5 to 15 mph.

    High: 16 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4. Wind chill values as low as -10. North northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 22. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 22 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 14. Wind chill values as low as -12. North northwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 0. Wind chill values as low as -11. Northwest wind around 5 mph, with gusts as high as 10 mph.
Friday
Mostly sunny, with a high near 16. Wind chill values as low as -11. North wind 5 to 15 mph.
Friday Night
Partly cloudy, with a low around 4. Wind chill values as low as -10. North northwest wind around 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 22. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 5.
Sunday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 26.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 16.
Wednesday
A chance of snow. Mostly cloudy, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.13°N 89.27°W
Last Update:
5:41 am CST Jan 29, 2026
Forecast Valid:
6am CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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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