Weld County, CO Weather Alerts
Every National Weather Service alert issued for Weld County, Colorado, pushed to your phone within moments — county code COC123, forecast zone 3 zones (COZ043, COZ038, COZ042). Free with StormCast.
Download on Google PlayHow the NWS identifies Weld County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches COC123 directly rather than matching on place names, which is why an alert arrives whether you are in Ault or anywhere else in the county.
NWS County Code
COC123
Forecast Zones
3 zones (COZ043, COZ038, COZ042)
Forecast Office
Boulder (BOU)
Radar Station
KFTG
Towns covered in Weld County
An NWS alert for Weld County applies to all 33 of these communities. You do not need a separate alert for each one.
River gauges in and around Weld County
StormCast tracks 6 gauges near Weld 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 Weld 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 →Weld County weather alert questions
Which NWS forecast zone is Weld County in?
Weld County, Colorado is NWS county code COC123 and spans 3 forecast zones (COZ043, COZ038, COZ042). Alerts for it are issued by the Boulder (BOU) Weather Forecast Office, and the nearest NEXRAD radar is KFTG.
Which towns in Weld County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Weld County covers every community inside it, including Ault, Briggsdale, Brighton, Carr, Dacono, Eaton, Evans, Firestone, Fort Lupton, Frederick, Galeton, Gilcrest, Gill, Greeley, Grover, Hereford, Hudson, Johnstown, Keenesburg, Kersey, La Salle, Longmont, Lucerne, Mead, Milliken, New Raymer, Nunn, Pierce, Platteville, Roggen, Severance, Stoneham and Windsor.
Are there river gauges in Weld County?
Yes — StormCast monitors 6 river gauges in and around Weld County, including Cache La Poudre River (CO) near Greeley, Cache La Poudre River (CO) at Greeley, South Platte River near Kersey. 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 Weld County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for COC123, the push notification goes out within moments — even with your screen off.