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.

Mostly Cloudy

13°F

-11°C

Humidity 64%
Wind Speed W 16 G 25 mph
Barometer 30.25 in (1026.0 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 22 Jan 6:54 pm CST
Extended Forecast for

Byron IL

Cold Weather Advisory January 23, 12:00pm until January 24, 09:00am
Extreme Cold Warning January 23, 03:00am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning

  • Tonight

    Tonight: Intermittent flurries. Partly cloudy, with a low around -13. Wind chill values as low as -34. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: -13 °F

    Intermittent
    Flurries and
    Blustery

  • Friday

    Friday: Sunny and cold, with a high near -2. Wind chill values as low as -35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: -2 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -8. Wind chill values as low as -16. North wind around 5 mph, with gusts as high as 10 mph.

    Low: -8 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 6. Wind chill values as low as -15. Northeast wind around 5 mph.

    High: 6 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Cloudy, with a low around 1. North northeast wind 5 to 10 mph.

    Low: 1 °F

    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow. Mostly cloudy, with a high near 12.

    High: 12 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -5.

    Low: -5 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 11.

    High: 11 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

Tonight
Intermittent flurries. Partly cloudy, with a low around -13. Wind chill values as low as -34. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Sunny and cold, with a high near -2. Wind chill values as low as -35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around -8. Wind chill values as low as -16. North wind around 5 mph, with gusts as high as 10 mph.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 6. Wind chill values as low as -15. Northeast wind around 5 mph.
Saturday Night
A 40 percent chance of snow. Cloudy, with a low around 1. North northeast wind 5 to 10 mph.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 12.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -5.
Monday
Sunny, with a high near 11.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Partly sunny, with a high near 18.
Tuesday Night
Mostly cloudy, with a low around 3.
Wednesday
Partly sunny, with a high near 14.
Wednesday Night
Partly cloudy, with a low around -3.
Thursday
Mostly sunny and cold, with a high near 9.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.13°N 89.24°W
Last Update:
3:11 pm CST Jan 22, 2026
Forecast Valid:
7pm CST Jan 22, 2026-6pm CST Jan 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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