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.

Partly Cloudy

53°F

12°C

Humidity 47%
Wind Speed Calm
Barometer 30.03 in (1017.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 30 Apr 10:54 am CDT
Extended Forecast for

Byron IL

  • Today

    Today: A 50 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 57. Southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 57 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 8pm. Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 36. North northwest wind 5 to 10 mph.

    Low: 36 °F

    Chance
    Showers then
    Patchy Frost

  • Friday

    Friday: Patchy frost before 8am. Otherwise, mostly sunny, with a high near 53. North wind 5 to 10 mph.

    High: 53 °F

    Patchy Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: Widespread frost, mainly after 5am. Otherwise, partly cloudy, with a low around 34. North northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 56. North wind 5 to 10 mph.

    High: 56 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers before 1am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 70. Breezy.

    High: 70 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
A 50 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 57. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Tonight
A 30 percent chance of showers, mainly before 8pm. Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 36. North northwest wind 5 to 10 mph.
Friday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 53. North wind 5 to 10 mph.
Friday Night
Widespread frost, mainly after 5am. Otherwise, partly cloudy, with a low around 34. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 56. North wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 65.
Sunday Night
A chance of showers before 1am. Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 70. Breezy.
Monday Night
A chance of showers. Partly cloudy, with a low around 46.
Tuesday
A chance of showers. Partly sunny, with a high near 65.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 45.
Wednesday
A chance of showers. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.13°N 89.24°W
Last Update:
10:30 am CDT Apr 30, 2026
Forecast Valid:
11am CDT Apr 30, 2026-6pm CDT May 6, 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