Middlesex County, NJ Weather Alerts

Every National Weather Service alert issued for Middlesex County, New Jersey, pushed to your phone within moments — county code NJC023, forecast zone NJZ012. Free with StormCast.

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How the NWS identifies Middlesex County

These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches NJC023 directly rather than matching on place names, which is why an alert arrives whether you are in Avenel or anywhere else in the county.

NWS County Code

NJC023

Forecast Zone

NJZ012

Forecast Office

Mount Holly (PHI)

Radar Station

KDIX

Towns covered in Middlesex County

An NWS alert for Middlesex County applies to all 34 of these communities. You do not need a separate alert for each one.

Avenel Carteret Colonia Cranbury Dayton Dunellen East Brunswick Edison Fords Helmetta Highland Park Iselin Keasbey Kendall Park Metuchen Middlesex Milltown Monmouth Junction Monroe Township New Brunswick North Brunswick Old Bridge Parlin Perth Amboy Piscataway Plainsboro Port Reading Sayreville Sewaren South Amboy South Plainfield South River Spotswood Woodbridge

River gauges in and around Middlesex County

StormCast tracks 4 gauges near Middlesex County. Set a flood-stage alert on any of them to get notified before the water reaches you.

All New Jersey river gauges →

Current conditions

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Alert types issued for Middlesex 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 →

Middlesex County weather alert questions

Which NWS forecast zone is Middlesex County in?

Middlesex County, New Jersey is NWS county code NJC023 and forecast zone NJZ012. Alerts for it are issued by the Mount Holly (PHI) Weather Forecast Office, and the nearest NEXRAD radar is KDIX.

Which towns in Middlesex County are covered?

All of them. NWS alerts are issued at the county and zone level, so a warning for Middlesex County covers every community inside it, including Avenel, Carteret, Colonia, Cranbury, Dayton, Dunellen, East Brunswick, Edison, Fords, Helmetta, Highland Park, Iselin, Keasbey, Kendall Park, Metuchen, Middlesex, Milltown, Monmouth Junction, Monroe Township, New Brunswick, North Brunswick, Old Bridge, Parlin, Perth Amboy, Piscataway, Plainsboro, Port Reading, Sayreville, Sewaren, South Amboy, South Plainfield, South River, Spotswood and Woodbridge.

Are there river gauges in Middlesex County?

Yes — StormCast monitors 4 river gauges in and around Middlesex County, including Lawrence Brook at Weston Mills, Manalapan Brook at Spotswood, Arthur Kill at Perth Amboy (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 Middlesex County delivered?

StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for NJC023, the push notification goes out within moments — even with your screen off.

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