Winnebago County, IL Weather Alerts
Every National Weather Service alert issued for Winnebago County, Illinois, pushed to your phone within moments — county code ILC201, forecast zone ILZ003. Free with StormCast.
Download on Google PlayHow the NWS identifies Winnebago County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches ILC201 directly rather than matching on place names, which is why an alert arrives whether you are in Cherry Valley or anywhere else in the county.
NWS County Code
ILC201
Forecast Zone
ILZ003
Forecast Office
Romeoville (LOT)
Radar Station
KMKX
Towns covered in Winnebago County
An NWS alert for Winnebago County applies to all 12 of these communities. You do not need a separate alert for each one.
River gauges in and around Winnebago County
StormCast tracks 5 gauges near Winnebago County. Set a flood-stage alert on any of them to get notified before the water reaches you.
Current conditions
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Alert types issued for Winnebago County
Tornado
Tornado Warning, Tornado Watch, Tornado Emergency and Severe Thunderstorm Warning.
How tornado alerts work →Flooding
Flash Flood Warning, Flood Watch, Flood Advisory and River Flood Warning.
How flood alerts work →Winter
Winter Storm Warning, Ice Storm Warning, Blizzard Warning and Winter Weather Advisory.
Winter warnings explained →Fire Weather
Red Flag Warning and Fire Weather Watch when conditions favor rapid fire spread.
Fire weather alerts →Heat & Cold
Excessive Heat Warning, Heat Advisory, Freeze Warning and Frost Advisory.
Frost & freeze alerts →Winnebago County weather alert questions
Which NWS forecast zone is Winnebago County in?
Winnebago County, Illinois is NWS county code ILC201 and forecast zone ILZ003. Alerts for it are issued by the Romeoville (LOT) Weather Forecast Office, and the nearest NEXRAD radar is KMKX.
Which towns in Winnebago County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Winnebago County covers every community inside it, including Cherry Valley, Durand, Loves Park, Machesney Park, Pecatonica, Rockford, Rockton, Roscoe, Seward, Shirland, South Beloit and Winnebago.
Are there river gauges in Winnebago County?
Yes — StormCast monitors 5 river gauges in and around Winnebago County, including Rock River at Latham Park, Rock River at Rockford (Auburn Street), Rock River at Rockford (Fordam Dam). You can set a flood-stage alert on any of them and get a push notification when the water rises.
How fast are alerts for Winnebago County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for ILC201, the push notification goes out within moments — even with your screen off.