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

71°F

22°C

Humidity 76%
Wind Speed S 10 mph
Barometer 29.76 in (1007.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 15 Apr 4:54 pm CDT
Extended Forecast for

Byron IL

Flood Watch April 17, 01:00am until April 20, 04:00pm
Flood Watch April 15, 05:53pm until April 16, 01:00am
Click here for hazard details and duration
Flood Watch
Flood Watch
  •  
    Flood Watch April 15, 05:53pm until April 16, 01:00am

    NOW until 1:00am Thu

    Flood Watch

  • This Afternoon

    High: 71 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 3am. Some of the storms could produce heavy rainfall. Low around 57. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Heavy Rain
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 71. West southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Calm wind becoming southeast around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 42. Chance of precipitation is 90%.

    Low: 42 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 52.

    High: 52 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms, mainly before 3am. Some of the storms could produce heavy rainfall. Low around 57. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 71. West southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 52. Calm wind becoming southeast around 5 mph after midnight. Winds could gust as high as 10 mph.
Friday
A 40 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.
Friday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 42. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Sunny, with a high near 52.
Sunday Night
Patchy frost after 3am. Otherwise, partly cloudy, with a low around 31.
Monday
Patchy frost. Otherwise, sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Mostly sunny, with a high near 69.
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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:
3:16 pm CDT Apr 15, 2026
Forecast Valid:
5pm CDT Apr 15, 2026-6pm CDT Apr 22, 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