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

82°F

28°C

Humidity 67%
Wind Speed Vrbl 6 mph
Barometer 29.89 in (1011.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 9 Jul 1:54 pm CDT
Extended Forecast for

Byron IL

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Mostly cloudy, with a high near 82. West southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

    High: 82 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 64. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 64 °F

    Scattered
    T-storms then
    Isolated
    T-storms and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 83 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. East northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. East northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 82. West southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms, mainly before 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 64. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Friday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Northeast wind around 5 mph, with gusts as high as 10 mph.
Friday Night
Partly cloudy, with a low around 62. East northeast wind around 5 mph, with gusts as high as 10 mph.
Saturday
Mostly sunny, with a high near 84. East northeast wind around 5 mph, with gusts as high as 10 mph.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 66.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.13°N 89.27°W
Last Update:
1:06 pm CDT Jul 9, 2026
Forecast Valid:
2pm CDT Jul 9, 2026-6pm CDT Jul 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