Live National Weather Service alerts, NEXRAD weather radar, USGS river and stream gauges, Storm Prediction Center convective outlooks, Local Storm Reports, 5-day forecast, air quality, and severe-weather notifications for Winnebago County, IL (FIPS 17201) in Illinois. Free, no login, no ads.
Winnebago County, IL is one of the counties of Illinois covered by BloomWX. Winnebago County, IL has a population of approximately 284,591 (2022 estimate, US Census Bureau). The county covers 513.1 square miles of land area. The county seat is Rockford.
Rockford, Loves Park, Machesney Park, Roscoe, South Beloit.
Winnebago County, IL is served by the National Weather Service LOT forecast office for warnings, watches, advisories, and decision-support services. The same office produces the Hazardous Weather Outlook, Area Forecast Discussion, and DSS briefing packets you'll see on the BloomWX dashboard for this county.
BloomWX also covers the surrounding counties: Green County, WI, Rock County, WI, Stephenson County, IL, Boone County, IL, DeKalb County, IL, Ogle County, IL.
BloomWX is a free weather operations dashboard for SKYWARN storm spotters, emergency management volunteers, ham radio nets, and anyone in Winnebago County, IL who needs the official NWS data without the consumer-app cruft. Data is pulled directly from weather.gov and refreshes every 60 seconds. Sources: National Weather Service, Storm Prediction Center, USGS Water Data, NOAA Space Weather Prediction Center, Open-Meteo (Air Quality), and the Citizen Weather Observer Program.
Read the BloomWX learn library for beginner-friendly explainers on every dashboard surface, including SPC convective outlooks (TSTM/MRGL/SLGT/ENH/MDT/HIGH), NEXRAD radar, USGS flood gauges, and WPC surface analysis charts. See all Illinois county weather dashboards on BloomWX.