Charleston County, SC Weather Alerts
Every National Weather Service alert issued for Charleston County, South Carolina, pushed to your phone within moments — county code SCC019, forecast zone SCZ150. Free with StormCast.
Download on Google PlayHow the NWS identifies Charleston County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches SCC019 directly rather than matching on place names, which is why an alert arrives whether you are in Adams Run or anywhere else in the county.
NWS County Code
SCC019
Forecast Zone
SCZ150
Forecast Office
North Charleston (CHS)
Radar Station
KCLX
Towns covered in Charleston County
An NWS alert for Charleston County applies to all 14 of these communities. You do not need a separate alert for each one.
River gauges in and around Charleston County
StormCast tracks 11 gauges near Charleston County. Set a flood-stage alert on any of them to get notified before the water reaches you.
- Ashley River near North Charleston (IN MLLW)
- Cooper River at Charleston Harbor (IN MLLW)
- Cooper River at HW-17 (IN MLLW)
- Church Creek near West Ashley
- Cooper River at North Charleston (IN MLLW)
- Wando River above Mount Pleasant (IN MLLW)
- Shem Creek near Mount Pleasant
- Horlbeck Creek near Mount Pleasant
- Wando River at Cainhoy (IN MLLW)
- Ashley River below Summerville
- Kiawah River at Kiawah Island (IN MLLW)
Current conditions
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Alert types issued for Charleston 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 →Charleston County weather alert questions
Which NWS forecast zone is Charleston County in?
Charleston County, South Carolina is NWS county code SCC019 and forecast zone SCZ150. Alerts for it are issued by the North Charleston (CHS) Weather Forecast Office, and the nearest NEXRAD radar is KCLX.
Which towns in Charleston County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Charleston County covers every community inside it, including Adams Run, Awendaw, Charleston, Charleston Afb, Folly Beach, Hollywood, Isle Of Palms, Johns Island, Mc Clellanville, Mount Pleasant, North Charleston, Ravenel, Sullivans Island and Wadmalaw Island.
Are there river gauges in Charleston County?
Yes — StormCast monitors 11 river gauges in and around Charleston County, including Ashley River near North Charleston (IN MLLW), Cooper River at Charleston Harbor (IN MLLW), Cooper River at HW-17 (IN MLLW). 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 Charleston County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for SCC019, the push notification goes out within moments — even with your screen off.