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

29°F

-2°C

Humidity 66%
Wind Speed Calm
Barometer 30.15 in (1021.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 14 Mar 2:54 am CDT
Extended Forecast for

Winnebago IL

Winter Storm Watch March 15, 10:00pm until March 16, 07:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 30. North northwest wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers between 10am and 4pm. Cloudy, with a high near 42. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 34. Breezy, with an east southeast wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A chance of showers before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then showers after 4pm. High near 58. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.

    High: 58 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Rain showers, possibly mixed with snow showers and sleet before 10pm, then snow showers, possibly mixed with sleet between 10pm and 1am, then snow showers after 1am. The snow could be heavy at times. Widespread blowing snow, mainly after 4am. Low around 17. Windy, with a north wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.

    Low: 17 °F

    Wintry Mix
    and Blowing
    Snow

  • Monday

    Monday: Snow showers likely, mainly before 1pm. Widespread blowing snow, mainly before 1pm. Cloudy, with a high near 21. Windy. Chance of precipitation is 70%.

    High: 21 °F

    Snow Showers
    Likely and
    Blowing Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4. Blustery.

    Low: 4 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Snow Likely

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 30. North northwest wind around 5 mph.
Saturday
A slight chance of snow showers between 10am and 4pm. Cloudy, with a high near 42. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 34. Breezy, with an east southeast wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday
A chance of showers before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then showers after 4pm. High near 58. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.
Sunday Night
Rain showers, possibly mixed with snow showers and sleet before 10pm, then snow showers, possibly mixed with sleet between 10pm and 1am, then snow showers after 1am. The snow could be heavy at times. Widespread blowing snow, mainly after 4am. Low around 17. Windy, with a north wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.
Monday
Snow showers likely, mainly before 1pm. Widespread blowing snow, mainly before 1pm. Cloudy, with a high near 21. Windy. Chance of precipitation is 70%.
Monday Night
Partly cloudy, with a low around 4. Blustery.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 15.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winnebago IL
 42.26°N 89.24°W
Last Update:
2:06 am CDT Mar 14, 2026
Forecast Valid:
3am CDT Mar 14, 2026-6pm CDT Mar 20, 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