Johnson County, AR Weather Alerts
Every National Weather Service alert issued for Johnson County, Arkansas, pushed to your phone within moments — county code ARC071, forecast zone 2 zones (ARZ121, ARZ221). Free with StormCast.
Download on Google PlayHow the NWS identifies Johnson County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches ARC071 directly rather than matching on place names, which is why an alert arrives whether you are in Clarksville or anywhere else in the county.
NWS County Code
ARC071
Forecast Zones
2 zones (ARZ121, ARZ221)
Forecast Office
North Little Rock (LZK)
Radar Station
KSRX
Towns covered in Johnson County
An NWS alert for Johnson County applies to all 8 of these communities. You do not need a separate alert for each one.
Current conditions
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Alert types issued for Johnson 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 →Johnson County weather alert questions
Which NWS forecast zone is Johnson County in?
Johnson County, Arkansas is NWS county code ARC071 and spans 2 forecast zones (ARZ121, ARZ221). Alerts for it are issued by the North Little Rock (LZK) Weather Forecast Office, and the nearest NEXRAD radar is KSRX.
Which towns in Johnson County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Johnson County covers every community inside it, including Clarksville, Coal Hill, Hagarville, Hartman, Knoxville, Lamar, Oark and Ozone.
Does StormCast monitor flooding in Johnson County?
Yes. StormCast tracks NWS flood watches, flash flood warnings and river flood warnings for Johnson County, alongside 12,700+ USGS river gauges nationwide.
How fast are alerts for Johnson County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for ARC071, the push notification goes out within moments — even with your screen off.