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.

Fog/Mist

41°F

5°C

Humidity 89%
Wind Speed E 5 mph
Barometer 30.02 in (1017.3 mb)
Dewpoint 38°F (3°C)
Visibility 6.00 mi
Wind Chill38°F (3°C)
Last update 4 Mar 7:54 pm CST
Extended Forecast for

Byron IL

  • Tonight

    Tonight: Scattered showers before 9pm, then isolated showers after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 40. East northeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Scattered
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Scattered showers before 9am. Patchy fog before 3pm. Otherwise, mostly cloudy, with a high near 52. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.

    High: 52 °F

    Scattered
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 41. Southeast wind 5 to 10 mph.

    Low: 41 °F

    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before noon. High near 71. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 71 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then showers and possibly a thunderstorm between 9pm and 3am, then showers after 3am. Low around 47. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Partly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers before 9pm, then isolated showers after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 40. East northeast wind around 5 mph. Chance of precipitation is 30%.
Thursday
Scattered showers before 9am. Patchy fog before 3pm. Otherwise, mostly cloudy, with a high near 52. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 41. Southeast wind 5 to 10 mph.
Friday
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before noon. High near 71. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Friday Night
A chance of showers and thunderstorms before 9pm, then showers and possibly a thunderstorm between 9pm and 3am, then showers after 3am. Low around 47. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 70.
Monday Night
A chance of showers. Partly cloudy, with a low around 48.
Tuesday
Showers likely. Mostly cloudy, with a high near 62.
Tuesday Night
Rain and snow showers likely. Mostly cloudy, with a low around 33.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Byron IL
 42.13°N 89.27°W
Last Update:
4:46 pm CST Mar 4, 2026
Forecast Valid:
8pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation