Saint Clair County, IL Weather Alerts
Every National Weather Service alert issued for Saint Clair County, Illinois, pushed to your phone within moments — county code ILC163, forecast zone ILZ101. Free with StormCast.
Download on Google PlayHow the NWS identifies Saint Clair County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches ILC163 directly rather than matching on place names, which is why an alert arrives whether you are in Belleville or anywhere else in the county.
NWS County Code
ILC163
Forecast Zone
ILZ101
Forecast Office
St. Charles (LSX)
Radar Station
KLSX
Towns covered in Saint Clair County
An NWS alert for Saint Clair County applies to all 20 of these communities. You do not need a separate alert for each one.
River gauges in and around Saint Clair County
StormCast tracks 2 gauges near Saint Clair 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 Saint Clair 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 →Saint Clair County weather alert questions
Which NWS forecast zone is Saint Clair County in?
Saint Clair County, Illinois is NWS county code ILC163 and forecast zone ILZ101. Alerts for it are issued by the St. Charles (LSX) Weather Forecast Office, and the nearest NEXRAD radar is KLSX.
Which towns in Saint Clair County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Saint Clair County covers every community inside it, including Belleville, Caseyville, Dupo, East Carondelet, East Saint Louis, Fairview Heights, Freeburg, Lebanon, Lenzburg, Lovejoy, Marissa, Mascoutah, Millstadt, National Stock Yards, New Athens, O Fallon, Saint Libory, Scott Air Force Base, Smithton and Summerfield.
Are there river gauges in Saint Clair County?
Yes — StormCast monitors 2 river gauges in and around Saint Clair County, including Silver Creek near Mascoutah, Kaskaskia River at New Athens. 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 Saint Clair County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for ILC163, the push notification goes out within moments — even with your screen off.