Prince William County, VA Weather Alerts
Every National Weather Service alert issued for Prince William County, Virginia, pushed to your phone within moments — county code VAC153, forecast zone 3 zones (VAZ527, VAZ526, VAZ501). Free with StormCast.
Download on Google PlayHow the NWS identifies Prince William County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches VAC153 directly rather than matching on place names, which is why an alert arrives whether you are in Bristow or anywhere else in the county.
NWS County Code
VAC153
Forecast Zones
3 zones (VAZ527, VAZ526, VAZ501)
Forecast Office
Sterling (LWX)
Radar Station
KLWX
Towns covered in Prince William County
An NWS alert for Prince William County applies to all 11 of these communities. You do not need a separate alert for each one.
River gauges in and around Prince William County
StormCast tracks 7 gauges near Prince William County. Set a flood-stage alert on any of them to get notified before the water reaches you.
Current conditions
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Alert types issued for Prince William 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 →Prince William County weather alert questions
Which NWS forecast zone is Prince William County in?
Prince William County, Virginia is NWS county code VAC153 and spans 3 forecast zones (VAZ527, VAZ526, VAZ501). Alerts for it are issued by the Sterling (LWX) Weather Forecast Office, and the nearest NEXRAD radar is KLWX.
Which towns in Prince William County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Prince William County covers every community inside it, including Bristow, Catharpin, Dumfries, Gainesville, Haymarket, Manassas, Nokesville, Occoquan, Quantico, Triangle and Woodbridge.
Are there river gauges in Prince William County?
Yes — StormCast monitors 7 river gauges in and around Prince William County, including Broad Run at Nokesville Road (VA-28), Kettle Run at Bristow Manor GC, Cedar Run at Bristow Road. 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 Prince William County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for VAC153, the push notification goes out within moments — even with your screen off.