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.

Overcast

16°F

-9°C

Humidity 59%
Wind Speed SW 12 mph
Barometer 30.21 in (1024.2 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 22 Jan 9:54 am CST
Extended Forecast for

Byron IL

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

  • Today

    Today: A chance of flurries before noon, then a slight chance of snow showers after noon. Mostly cloudy, with a high near 21. Wind chill values as low as 1. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 21 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers and
    Blustery

  • Tonight

    Tonight: A chance of flurries before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -13. Wind chill values as low as -35. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: -13 °F

    Chance
    Flurries and
    Blustery

  • Friday

    Friday: Sunny and cold, with a high near -4. Wind chill values as low as -36. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: -4 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -9. Wind chill values as low as -23. North wind 5 to 10 mph.

    Low: -9 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly cloudy and cold, with a high near 5. North northeast wind around 5 mph.

    High: 5 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around -2.

    Low: -2 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 12.

    High: 12 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -5.

    Low: -5 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of flurries before noon, then a slight chance of snow showers after noon. Mostly cloudy, with a high near 21. Wind chill values as low as 1. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Tonight
A chance of flurries before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -13. Wind chill values as low as -35. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Sunny and cold, with a high near -4. Wind chill values as low as -36. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around -9. Wind chill values as low as -23. North wind 5 to 10 mph.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy and cold, with a high near 5. North northeast wind around 5 mph.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around -2.
Sunday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 12.
Sunday Night
Partly cloudy, with a low around -5.
Monday
Mostly sunny, with a high near 12.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Mostly cloudy, with a low around 5.
Wednesday
Partly sunny, with a high near 16.
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 89.27°W
Last Update:
9:21 am CST Jan 22, 2026
Forecast Valid:
10am CST Jan 22, 2026-6pm CST Jan 28, 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