New Haven County, CT Weather Alerts

Every National Weather Service alert issued for New Haven County, Connecticut, pushed to your phone within moments — county code CTC009, forecast zone 2 zones (CTZ006, CTZ010). Free with StormCast.

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How the NWS identifies New Haven County

These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches CTC009 directly rather than matching on place names, which is why an alert arrives whether you are in Ansonia or anywhere else in the county.

NWS County Code

CTC009

Forecast Zones

2 zones (CTZ006, CTZ010)

Forecast Office

Upton (OKX)

Radar Station

KOKX

Towns covered in New Haven County

An NWS alert for New Haven County applies to all 29 of these communities. You do not need a separate alert for each one.

Ansonia Beacon Falls Bethany Branford Cheshire Derby East Haven Guilford Hamden Madison Meriden Middlebury Milford Naugatuck New Haven North Branford North Haven Northford Orange Oxford Prospect Seymour South Britain Southbury Wallingford Waterbury West Haven Wolcott Woodbridge

River gauges in and around New Haven County

StormCast tracks 12 gauges near New Haven County. Set a flood-stage alert on any of them to get notified before the water reaches you.

All Connecticut river gauges →

Current conditions

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Alert types issued for New Haven 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 →

Wind & Lightning

High Wind Warning, Wind Advisory and lightning proximity alerts.

Lightning alerts →

New Haven County weather alert questions

Which NWS forecast zone is New Haven County in?

New Haven County, Connecticut is NWS county code CTC009 and spans 2 forecast zones (CTZ006, CTZ010). Alerts for it are issued by the Upton (OKX) Weather Forecast Office, and the nearest NEXRAD radar is KOKX.

Which towns in New Haven County are covered?

All of them. NWS alerts are issued at the county and zone level, so a warning for New Haven County covers every community inside it, including Ansonia, Beacon Falls, Bethany, Branford, Cheshire, Derby, East Haven, Guilford, Hamden, Madison, Meriden, Middlebury, Milford, Naugatuck, New Haven, North Branford, North Haven, Northford, Orange, Oxford, Prospect, Seymour, South Britain, Southbury, Wallingford, Waterbury, West Haven, Wolcott and Woodbridge.

Are there river gauges in New Haven County?

Yes — StormCast monitors 12 river gauges in and around New Haven County, including Lake Bethany at Lake Bethany, Lake Chamberlain at Lake Chamberlain, West River above Lake Watrous. 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 New Haven County delivered?

StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for CTC009, the push notification goes out within moments — even with your screen off.

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