Station Name: Whippany River near Pine Brook NJ
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 177 feet

Nearest Address:
1198 Edwards Rd
Pine Brook, NJ 07054
Morris County

GPS Coordinates: 40.845, -74.3472222

Nearby Water Temperatures

Flash Flood Warning issued July 21 at 3:13PM EDT until July 21 at 7:15PM EDT by NWS Mount Holly NJ

Effective: Tue July 21, 2026, 3:13 PM
Expires: Tue July 21, 2026, 7:15 PM

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Southeastern Morris County in northern New Jersey... North Central Somerset County in northern New Jersey... * Until 715 PM EDT. * At 313 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. * Some locations that may experience flash flooding include... Morristown, Madison, Florham Park, East Hanover, Morris Plains, Mendham, Peapack And Gladstone, Far Hills, Bernardsville and Hanover Township. This includes the following highways... Interstate 287 in New Jersey between mile markers 31 and 41. Interstate 80 in New Jersey between mile markers 45 and 48.

Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flash Flood Warning issued July 21 at 3:07PM EDT until July 21 at 6:15PM EDT by NWS Upton NY

Effective: Tue July 21, 2026, 3:07 PM
Expires: Tue July 21, 2026, 6:15 PM

FFWOKX The National Weather Service in Upton has issued a * Flash Flood Warning for... Bergen County in northeastern New Jersey... Central Essex County in northeastern New Jersey... Hudson County in northeastern New Jersey... Eastern Passaic County in northeastern New Jersey... * Until 615 PM EDT. * At 307 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Paterson, Passaic, Wayne, Bloomfield, Hackensack, Orange, Bergenfield, Paramus, Ridgewood, Lyndhurst, Rutherford, Secaucus, Ramsey, Ridgefield, Caldwell, Kearny, Hawthorne, Oradell, Fairfield and Norwood.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Excessive runoff from heavy rainfall will cause flooding of urban areas, highways, streets and underpasses as well as other drainage areas and low lying spots.

Flash Flood Warning issued July 21 at 3:38PM EDT until July 21 at 7:00PM EDT by NWS Mount Holly NJ

Effective: Tue July 21, 2026, 3:38 PM
Expires: Tue July 21, 2026, 7:00 PM

At 338 PM EDT, the New Jersey Department of Transportation reported flooding on I-80 at Exit 35. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. Some locations that may experience flash flooding include... Dover, Hopatcong, Lincoln Park, Kinnelon, Boonton, Butler, Wharton, Rockaway, Morris Plains, Mount Arlington, Mendham and Mountain Lakes. This includes the following highways... Interstate 287 in New Jersey between mile markers 42 and 53. Interstate 80 in New Jersey between mile markers 28 and 44.

Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flash Flood Warning issued July 21 at 2:49PM EDT until July 21 at 7:00PM EDT by NWS Mount Holly NJ

Effective: Tue July 21, 2026, 2:49 PM
Expires: Tue July 21, 2026, 7:00 PM

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Central Morris County in northern New Jersey... * Until 700 PM EDT. * At 249 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. * Some locations that may experience flash flooding include... Dover, Hopatcong, Lincoln Park, Kinnelon, Boonton, Butler, Wharton, Rockaway, Morris Plains, Mount Arlington, Mendham and Mountain Lakes. This includes the following highways... Interstate 287 in New Jersey between mile markers 42 and 53. Interstate 80 in New Jersey between mile markers 29 and 44.

Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flood Watch issued July 21 at 2:43AM EDT until July 22 at 2:00AM EDT by NWS Upton NY

Effective: Tue July 21, 2026, 2:43 AM
Expires: Tue July 21, 2026, 6:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northeast New Jersey, including the following areas, Eastern Bergen, Eastern Essex, Eastern Passaic, Eastern Union, Hudson, Western Bergen, Western Essex, Western Passaic and Western Union and southeast New York, including the following areas, Bronx, Kings (Brooklyn), New York (Manhattan), Northern Queens, Richmond (Staten Island) and Southern Queens. * WHEN...From 8 AM EDT this morning through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Multiple rounds of showers and thunderstorms are expected this morning through tonight. Average rainfall totals will be between 1 and 2 inches, with isolated totals around 3 to 4 inches possible. Peak rainfall rates in the strongest storms could be near 2.5 inches per hour. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.