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

50°F

10°C

Humidity 83%
Wind Speed S 6 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 9 Apr 4:54 am CDT
Extended Forecast for

Byron IL

  • Overnight

    Overnight: Isolated showers. Cloudy, with a low around 50. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Isolated
    Showers

  • Thursday

    Thursday: Increasing clouds, with a high near 67. West southwest wind around 10 mph.

    High: 67 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers and thunderstorms. Low around 44. Northwest wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 44 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 58. North northwest wind around 10 mph. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. North wind 5 to 10 mph becoming light and variable after midnight.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 1pm. Mostly cloudy, with a high near 73. Breezy.

    High: 73 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 62. Breezy.

    Low: 62 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Isolated showers. Cloudy, with a low around 50. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Thursday
Increasing clouds, with a high near 67. West southwest wind around 10 mph.
Thursday Night
Showers and thunderstorms. Low around 44. Northwest wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday
Showers likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 58. North northwest wind around 10 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 36. North wind 5 to 10 mph becoming light and variable after midnight.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 60.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Sunday
A chance of showers after 1pm. Mostly cloudy, with a high near 73. Breezy.
Sunday Night
Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 62. Breezy.
Monday
A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Breezy.
Tuesday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 76.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49.
Wednesday
A chance of showers. Mostly cloudy, with a high near 65.
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:
5:17 am CDT Apr 9, 2026
Forecast Valid:
5am CDT Apr 9, 2026-6pm CDT Apr 15, 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