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.

Partly Cloudy

4°F

-16°C

Humidity 52%
Wind Speed NW 12 mph
Barometer 30.24 in (1025.7 mb)
Dewpoint -10°F (-23°C)
Visibility 10.00 mi
Wind Chill-12°F (-24°C)
Last update 25 Jan 9:54 pm CST
Extended Forecast for

Byron IL

Cold Weather Advisory January 26, 12:00am until January 26, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around -5. Wind chill values as low as -21. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: -5 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 7. Wind chill values as low as -23. West northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 7 °F

    Cold

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 12 by 1am. Wind chill values as low as -11. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 5 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 14. Wind chill values as low as -5. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 14 °F

    Partly Sunny
    then Partly
    Sunny and
    Blustery

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -1. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: -1 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 14.

    High: 14 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -3.

    Low: -3 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around -5. Wind chill values as low as -21. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny and cold, with a high near 7. Wind chill values as low as -23. West northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 12 by 1am. Wind chill values as low as -11. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 14. Wind chill values as low as -5. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around -1. West wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 14.
Wednesday Night
Partly cloudy, with a low around -3.
Thursday
Mostly sunny, with a high near 12.
Thursday Night
Partly cloudy, with a low around -1.
Friday
Sunny, with a high near 14.
Friday Night
Partly cloudy, with a low around 2.
Saturday
Sunny, with a high near 20.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Partly sunny, 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:
9:51 pm CST Jan 25, 2026
Forecast Valid:
10pm CST Jan 25, 2026-6pm CST Feb 1, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation