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.

Hail

29°F

-2°C

Humidity 89%
Wind Speed S 5 mph
Barometer 29.65 in (1004.8 mb)
Dewpoint 26°F (-3°C)
Visibility 7.00 mi
Wind Chill24°F (-4°C)
Last update 6 Feb 2:54 am CST
Extended Forecast for

Byron IL

  • Overnight

    Overnight: Scattered snow showers before 4am, then a chance of snow showers, freezing rain, and sleet. Cloudy, with a low around 30. West southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Wintry
    Mix

  • Friday

    Friday: A slight chance of freezing rain and sleet before 7am. Cloudy, with a high near 36. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 36 °F

    Breezy.
    Slight Chance
    Wintry Mix
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly clear, with a low around 8. Wind chill values as low as -1. Blustery, with a north wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 8 °F

    Mostly Clear
    and Blustery
    then Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 24. Wind chill values as low as -1. North wind around 5 mph becoming south southeast in the afternoon.

    High: 24 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19. South southeast wind 5 to 10 mph.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered snow showers before 4am, then a chance of snow showers, freezing rain, and sleet. Cloudy, with a low around 30. West southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
A slight chance of freezing rain and sleet before 7am. Cloudy, with a high near 36. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 8. Wind chill values as low as -1. Blustery, with a north wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Increasing clouds, with a high near 24. Wind chill values as low as -1. North wind around 5 mph becoming south southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 19. South southeast wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.13°N 89.27°W
Last Update:
2:11 am CST Feb 6, 2026
Forecast Valid:
3am CST Feb 6, 2026-6pm CST Feb 12, 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