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

30°F

-1°C

Humidity 49%
Wind Speed S 15 G 26 mph
Barometer 29.69 in (1006.3 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 24 Feb 10:54 am CST
Extended Forecast for

Byron IL

  • Today

    Today: A chance of light rain with a slight chance of showers between 3pm and 5pm, then a chance of showers or light rain after 5pm. Cloudy, with a high near 43. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 43 °F

    Chance Light
    Rain and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 22. West northwest wind 10 to 15 mph.

    Low: 22 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 33. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 33 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 20. West northwest wind around 5 mph becoming calm in the evening.

    Low: 20 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 42. Southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 42 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow after noon. Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
A chance of light rain with a slight chance of showers between 3pm and 5pm, then a chance of showers or light rain after 5pm. Cloudy, with a high near 43. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 22. West northwest wind 10 to 15 mph.
Wednesday
Sunny, with a high near 33. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20. West northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 42. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A chance of snow after noon. Partly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
A chance of snow. Mostly sunny, with a high near 32.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 18.
Monday
A chance of snow. Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.13°N 89.24°W
Last Update:
11:00 am CST Feb 24, 2026
Forecast Valid:
11am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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