Severe Thunderstorm Watch — Union County, Illinois
Conditions favor the development of severe thunderstorms in and near the watch area.
Current Status
⛈️ Active: Severe Thunderstorm Watch
Severe Thunderstorm Watch issued August 20 at 1:45AM CDT until August 20 at 3:00AM CDT by NWS Paducah KY
SEVERE THUNDERSTORM WATCH 602 REMAINS VALID UNTIL 3 AM CDT EARLY THIS MORNING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 7 COUNTIES IN SOUTHERN ILLINOIS ALEXANDER HARDIN JOHNSON MASSAC POPE PULASKI UNION IN KENTUCKY THIS WATCH INCLUDES 17 COUNTIES IN WESTERN KENTUCKY BALLARD CALDWELL CALLOWAY CARLISLE CHRISTIAN CRITTENDEN FULTON GRAVES HICKMAN HOPKINS LIVINGSTON LYON MARSHALL MCCRACKEN MUHLENBERG TODD TRIGG IN MISSOURI THIS WATCH INCLUDES 6 COUNTIES IN SOUTHEAST MISSOURI BOLLINGER CAPE GIRARDEAU MISSISSIPPI NEW MADRID SCOTT STODDARD THIS INCLUDES THE CITIES OF BARDWELL, BENTON, BLOOMFIELD, CADIZ, CAIRO, CAPE GIRARDEAU, CHARLESTON, CLINTON, EDDYVILLE, ELIZABETHTOWN, ELKTON, GOLCONDA, GREENVILLE, HICKMAN, HOPKINSVIL
Effective August 20, 2026 at 2:45 AM ET · Expires August 20, 2026 at 4:00 AM ET
Event Details
Event Type
Severe Thunderstorm Watch
Severity
severe
Issued By
NWS Paducah KY
Expires
August 20, 2026 at 4:00 AM ET
Last Checked
1 minute ago
Also In Effect For
This same Severe Thunderstorm Watch also covers:
Other Active Alerts in Illinois
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Flood Warning
Flood Warning
Get Severe Thunderstorm Watch Alerts for Union County
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Frequently Asked Questions
What does a Severe Thunderstorm Watch mean for Union County, Illinois?
Conditions favor the development of severe thunderstorms in and near the watch area.
Is this Severe Thunderstorm Watch currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 20, 2026 at 4:00 AM ET.
How do I get notified about Severe Thunderstorm Watch alerts for Union County?
Download StormCast free on Google Play and set Union County, Illinois as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Watch is also in effect for Hardin County, Johnson County, Pope County, Pulaski County, Ballard County, Christian County, Crittenden County, Hickman County, Hopkins County, Livingston County, McCracken County, Todd County, Trigg County, Bollinger County, Cape Girardeau County, Scott County, Lyon County, Caldwell County, Massac County, Alexander County, Muhlenberg County, Carlisle County, New Madrid County, Calloway County.