Union County, AR Weather Alerts
Every National Weather Service alert issued for Union County, Arkansas, pushed to your phone within moments — county code ARC139, forecast zone ARZ073. Free with StormCast.
Download on Google PlayHow the NWS identifies Union County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches ARC139 directly rather than matching on place names, which is why an alert arrives whether you are in Calion or anywhere else in the county.
NWS County Code
ARC139
Forecast Zone
ARZ073
Forecast Office
Shreveport (SHV)
Radar Station
KSHV
Towns covered in Union County
An NWS alert for Union County applies to all 10 of these communities. You do not need a separate alert for each one.
River gauges in and around Union County
StormCast tracks 2 gauges near Union County. Set a flood-stage alert on any of them to get notified before the water reaches you.
Current conditions
Loading current conditions…
Alert types issued for Union 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 →Union County weather alert questions
Which NWS forecast zone is Union County in?
Union County, Arkansas is NWS county code ARC139 and forecast zone ARZ073. Alerts for it are issued by the Shreveport (SHV) Weather Forecast Office, and the nearest NEXRAD radar is KSHV.
Which towns in Union County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Union County covers every community inside it, including Calion, El Dorado, Huttig, Junction City, Lawson, Mount Holly, Norphlet, Smackover, Strong and Urbana.
Are there river gauges in Union County?
Yes — StormCast monitors 2 river gauges in and around Union County, including Ouachita River at Thatcher L&D, Ouachita River at Moro Bay State Park. 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 Union County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for ARC139, the push notification goes out within moments — even with your screen off.