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

37°F

3°C

Humidity 65%
Wind Speed SE 14 G 22 mph
Barometer 30.25 in (1024.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 8 Apr 4:54 am CDT
Extended Forecast for

Byron IL

  • Overnight

    Overnight: A 20 percent chance of showers. Cloudy, with a low around 34. Southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 10 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 69. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 69 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before 3am. Low around 47. Breezy, with a south wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Increasing clouds, with a high near 64. West wind around 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 43. West wind around 5 mph becoming northeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 90%.

    Low: 43 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a low around 34. Southeast wind around 15 mph, with gusts as high as 20 mph.
Wednesday
A 10 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 69. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
Showers and thunderstorms, mainly before 3am. Low around 47. Breezy, with a south wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Increasing clouds, with a high near 64. West wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 43. West wind around 5 mph becoming northeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 90%.
Friday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 35.
Saturday
Partly sunny, with a high near 62.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52.
Sunday
A chance of showers after 1pm. Mostly cloudy, with a high near 76. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 62. Breezy.
Monday
A chance of showers. Mostly cloudy, with a high near 77. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53.
Tuesday
Showers likely. Mostly cloudy, with a high near 65.
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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:
3:36 am CDT Apr 8, 2026
Forecast Valid:
5am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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