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.

A Few Clouds

62°F

17°C

Humidity 48%
Wind Speed SW 12 mph
Barometer 29.63 in (1003.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 4 May 8:54 am CDT
Extended Forecast for

Byron ILSimilar City Names

  • Today

    Today: Isolated showers and thunderstorms after 5pm. Patchy blowing dust after 11am. Sunny, with a high near 79. West southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 10%.

    High: 79 °F

    Patchy
    Blowing Dust
    then Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms before 10pm. Mostly cloudy, with a low around 47. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    Low: 47 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 56. North wind 5 to 10 mph.

    High: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. North northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. Northwest wind 5 to 10 mph.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers and thunderstorms after 5pm. Patchy blowing dust after 11am. Sunny, with a high near 79. West southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 10%.
Tonight
Scattered showers and thunderstorms before 10pm. Mostly cloudy, with a low around 47. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Tuesday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 56. North wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 38. North northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Partly sunny, with a high near 57. Northwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Byron ILSimilar City Names
 42.13°N 89.24°W
Last Update:
8:46 am CDT May 4, 2026
Forecast Valid:
9am CDT May 4, 2026-6pm CDT May 10, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation