Active Weather Alerts
Flash Flood Warning
Issued: 4:45 AM Aug. 6, 2026 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 AM EDT EARLY THIS MORNING FOR MORRIS, NORTHERN SOMERSET AND NORTHEASTERN HUNTERDON COUNTIES... At 1244 AM EDT, local law enforcement reported thunderstorms producing heavy rain in Flooding on Route 46 east of NJ15 in Dover. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 0.5 to 1 inch in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. 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, Bridgewater, Dover, Madison, Florham Park, East Hanover, Chatham, Boonton, Wharton, Rockaway, Morris Plains and Mount Arlington. This includes the following highways... Interstate 287 in New Jersey between mile markers 17 and 46. Interstate 78 in New Jersey between mile markers 17 and 38. Interstate 80 in New Jersey between mile markers 29 and 48. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. && FLASH FLOOD...OBSERVED; EXPECTED RAINFALL RATE...0.5-1 INCH IN 1 HOUR
Flash Flood Warning
Issued: 4:31 AM Aug. 6, 2026 – National Weather Service
The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northeastern Morris County in northern New Jersey... * Until 430 AM EDT. * At 1231 AM 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 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... Lincoln Park, Kinnelon, Boonton, Butler, Riverdale, Pequannock Township, Green Pond and Lake Telemark. This includes Interstate 287 in New Jersey between mile markers 46 and 53. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. && FLASH FLOOD...RADAR INDICATED; EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
Heat Advisory
Issued: 5:50 PM Aug. 5, 2026 – National Weather Service
...HEAT ADVISORY IN EFFECT FROM 10 AM THURSDAY TO 8 PM EDT FRIDAY... * WHAT...Heat index values around 100 expected. * WHERE...Portions of northern and northwest New Jersey and east central, northeast, and southeast Pennsylvania. * WHEN...From 10 AM Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. &&
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