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 70%
Wind Speed N 13 mph
Barometer 29.84 in (1010.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Jun 3:54 am CDT
Extended Forecast for

Byron IL

  • Overnight

    Overnight: Showers likely. Cloudy, with a low around 62. Northwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 71. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 71 °F

    Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. Northwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 15 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 75. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Overnight
Showers likely. Cloudy, with a low around 62. Northwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 71. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 49. Northwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 15 mph.
Monday
Mostly sunny, with a high near 75. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 54. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 76. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 54.
Juneteenth
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.13°N 89.24°W
Last Update:
4:00 am CDT Jun 14, 2026
Forecast Valid:
4am CDT Jun 14, 2026-6pm CDT Jun 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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