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

Rockford, Greater Rockford Airport (KRFD)

Lat: 42.19°NLon: 89.09°WElev: 735ft.

A Few Clouds

60°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 29.92 in (1012.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 25 Jun 3:54 am CDT
Extended Forecast for

Byron IL

  • Today

    Today: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 78. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 75. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 78. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 75. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 58. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 81. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.13°N 89.27°W
Last Update:
3:01 am CDT Jun 25, 2026
Forecast Valid:
4am CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
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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