Calvert County, MD Weather Alerts
Every National Weather Service alert issued for Calvert County, Maryland, pushed to your phone within moments — county code MDC009, forecast zone MDZ018. Free with StormCast.
Download on Google PlayHow the NWS identifies Calvert County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches MDC009 directly rather than matching on place names, which is why an alert arrives whether you are in Barstow or anywhere else in the county.
NWS County Code
MDC009
Forecast Zone
MDZ018
Forecast Office
Sterling (LWX)
Radar Station
KLWX
Towns covered in Calvert County
An NWS alert for Calvert County applies to all 14 of these communities. You do not need a separate alert for each one.
Current conditions
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Alert types issued for Calvert 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 →Calvert County weather alert questions
Which NWS forecast zone is Calvert County in?
Calvert County, Maryland is NWS county code MDC009 and forecast zone MDZ018. Alerts for it are issued by the Sterling (LWX) Weather Forecast Office, and the nearest NEXRAD radar is KLWX.
Which towns in Calvert County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Calvert County covers every community inside it, including Barstow, Broomes Island, Chesapeake Beach, Dowell, Dunkirk, Huntingtown, Lusby, North Beach, Owings, Port Republic, Prince Frederick, Saint Leonard, Solomons and Sunderland.
Does StormCast monitor flooding in Calvert County?
Yes. StormCast tracks NWS flood watches, flash flood warnings and river flood warnings for Calvert County, alongside 12,700+ USGS river gauges nationwide.
How fast are alerts for Calvert County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for MDC009, the push notification goes out within moments — even with your screen off.