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

65°F

18°C

Humidity 97%
Wind Speed Calm
Barometer 29.91 in (1012.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 13 Oct 9:54 pm CDT
Extended Forecast for

Byron IL

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 59. North northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 67. Northeast wind 5 to 10 mph.

    High: 67 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 52. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers, mainly after 7am. High near 62. East wind 5 to 10 mph. Chance of precipitation is 100%.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely before 1am. Mostly cloudy, with a low around 44. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 57. Breezy.

    High: 57 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, sunny, with a high near 60.

    High: 60 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 59. North northwest wind 5 to 10 mph becoming light north after midnight.
Wednesday
Mostly cloudy, with a high near 67. Northeast wind 5 to 10 mph.
Wednesday Night
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 52. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Showers, mainly after 7am. High near 62. East wind 5 to 10 mph. Chance of precipitation is 100%.
Thursday Night
Showers likely before 1am. Mostly cloudy, with a low around 44. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 57. Breezy.
Friday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 31.
Saturday
Areas of frost before 9am. Otherwise, sunny, with a high near 60.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.13°N 89.27°W
Last Update:
9:46 pm CDT Oct 13, 2026
Forecast Valid:
10pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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