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 96%
Wind Speed SE 12 mph
Barometer 29.88 in (1012.4 mb)
Dewpoint 40°F (4°C)
Visibility 3.00 mi
Wind Chill34°F (1°C)
Last update 27 Dec 1:54 pm CST
Extended Forecast for

Winnebago IL

Wind Advisory December 28, 06:00pm until December 29, 06:00pm
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Cloudy, with a high near 42. Southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Cloudy

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 2am. Patchy fog. Otherwise, cloudy, with a temperature rising to around 46 by 5am. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 42 °F⇑

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Rain. Areas of fog before noon. High near 52. Breezy, with a south wind 5 to 10 mph becoming west northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain and
    Areas Fog

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 7pm. Low around 13. Wind chill values as low as -6. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 13 °F

    Windy.
    Rain/Snow
    then Snow

  • Monday

    Monday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 20. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 20 °F

    Chance Snow
    and Windy
    then Partly
    Sunny and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8. Blustery.

    Low: 8 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Cloudy, with a high near 42. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 40 percent chance of rain, mainly after 2am. Patchy fog. Otherwise, cloudy, with a temperature rising to around 46 by 5am. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Rain. Areas of fog before noon. High near 52. Breezy, with a south wind 5 to 10 mph becoming west northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain and snow, becoming all snow after 7pm. Low around 13. Wind chill values as low as -6. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 20. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph.
Monday Night
Partly cloudy, with a low around 8. Blustery.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Mostly cloudy, with a high near 29.
Wednesday Night
A chance of snow before midnight. Mostly cloudy, with a low around 10.
New Year's Day
Mostly sunny, with a high near 18.
Thursday Night
Mostly clear, with a low around 6.
Friday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winnebago IL
 42.26°N 89.24°W
Last Update:
1:51 pm CST Dec 27, 2025
Forecast Valid:
2pm CST Dec 27, 2025-6pm CST Jan 2, 2026
 
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Additional Resources

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Chance of Precipitation