Washington County, IL Weather Alerts
Every National Weather Service alert issued for Washington County, Illinois, pushed to your phone within moments — county code ILC189, forecast zone ILZ074. Free with StormCast.
Download on Google PlayHow the NWS identifies Washington County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches ILC189 directly rather than matching on place names, which is why an alert arrives whether you are in Addieville or anywhere else in the county.
NWS County Code
ILC189
Forecast Zone
ILZ074
Forecast Office
St. Charles (LSX)
Radar Station
KLSX
Towns covered in Washington County
An NWS alert for Washington County applies to all 10 of these communities. You do not need a separate alert for each one.
Current conditions
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Alert types issued for Washington 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 →Washington County weather alert questions
Which NWS forecast zone is Washington County in?
Washington County, Illinois is NWS county code ILC189 and forecast zone ILZ074. Alerts for it are issued by the St. Charles (LSX) Weather Forecast Office, and the nearest NEXRAD radar is KLSX.
Which towns in Washington County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Washington County covers every community inside it, including Addieville, Ashley, Du Bois, Hoyleton, Irvington, Nashville, Oakdale, Okawville, Radom and Richview.
Does StormCast monitor flooding in Washington County?
Yes. StormCast tracks NWS flood watches, flash flood warnings and river flood warnings for Washington County, alongside 12,700+ USGS river gauges nationwide.
How fast are alerts for Washington County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for ILC189, the push notification goes out within moments — even with your screen off.