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

Tracking Two Storms Impacting the Central and Eastern U.S. Through This Weekend

Two storm systems will track through the central and eastern U.S. through this weekend with areas of gusty winds, rain, and heavy snow. Severe thunderstorms are forecast Friday from the central Gulf Coast into parts of the lower Mississippi, Tennessee and Ohio Valleys. Heavy to excessive rainfall is forecast from the lower Mississippi River Valley to the Tennessee Valley which may bring flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Rockford, Greater Rockford Airport (KRFD)

Lat: 42.19°NLon: 89.09°WElev: 735ft.

Overcast and Windy

42°F

6°C

Humidity 85%
Wind Speed SW 26 G 41 mph
Barometer 29.45 in (997.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 9 Jan 3:54 am CST
Extended Forecast for

Byron IL

  • Overnight

    Overnight: Patchy drizzle with scattered showers after 4am. Cloudy, with a low around 39. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Scattered
    Showers and
    Breezy

  • Friday

    Friday: Patchy drizzle with scattered showers before 8am, then patchy drizzle with isolated sprinkles between 8am and 9am. Cloudy, then gradually becoming mostly sunny, with a high near 42. Breezy, with a northwest wind 15 to 25 mph decreasing to 5 to 15 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 40%.

    High: 42 °F

    Scattered
    Showers and
    Breezy then
    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly after 3am. Increasing clouds, with a low around 31. North northwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Partly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 34 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 20. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Chance Snow
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy drizzle with scattered showers after 4am. Cloudy, with a low around 39. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Friday
Patchy drizzle with scattered showers before 8am, then patchy drizzle with isolated sprinkles between 8am and 9am. Cloudy, then gradually becoming mostly sunny, with a high near 42. Breezy, with a northwest wind 15 to 25 mph decreasing to 5 to 15 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of snow, mainly after 3am. Increasing clouds, with a low around 31. North northwest wind around 5 mph becoming calm in the evening.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 20. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
A chance of showers after noon. Mostly cloudy, with a high near 44.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.13°N 89.24°W
Last Update:
3:35 am CST Jan 9, 2026
Forecast Valid:
3am CST Jan 9, 2026-6pm CST Jan 15, 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