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

35°F

2°C

Humidity 72%
Wind Speed E 12 G 20 mph
Barometer 29.94 in (1014.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 14 Mar 10:54 pm CDT
Extended Forecast for

Belvidere IL

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

  • Tonight

    Tonight: A 20 percent chance of showers. Cloudy, with a low around 34. East southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 56. Breezy, with a south wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Rain showers, snow, and sleet before 10pm, then snow, possibly mixed with sleet between 10pm and 11pm, then snow after 11pm. Widespread blowing snow, mainly after 4am. Low around 18. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Wintry Mix
    and Blowing
    Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Widespread blowing snow, mainly before 1pm. Cloudy, with a high near 22. Wind chill values as low as -2. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 22 °F

    Snow Likely
    and Blowing
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 4. Blustery, with a west northwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 4 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers, mainly after 1am. Low around 18. Chance of precipitation is 80%.

    Low: 18 °F

    Chance Snow
    Showers then
    Snow Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers. Cloudy, with a low around 34. East southeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 56. Breezy, with a south wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain showers, snow, and sleet before 10pm, then snow, possibly mixed with sleet between 10pm and 11pm, then snow after 11pm. Widespread blowing snow, mainly after 4am. Low around 18. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly before 1pm. Widespread blowing snow, mainly before 1pm. Cloudy, with a high near 22. Wind chill values as low as -2. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Mostly cloudy, with a low around 4. Blustery, with a west northwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Snow showers, mainly after 1am. Low around 18. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Belvidere IL
 42.25°N 88.86°W
Last Update:
8:11 pm CDT Mar 14, 2026
Forecast Valid:
11pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
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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