Station Name: Little Lehigh Creek at Tenth St. Br. at Allentown
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 259 feet

Nearest Address:
607 S 10th St
Allentown, PA 18103
Lehigh County

GPS Coordinates: 40.59648637, -75.4740717

Nearby Water Temperatures

Flash Flood Warning issued August 5 at 3:33PM EDT until August 5 at 7:30PM EDT by NWS Mount Holly NJ

Effective: Wed August 5, 2026, 3:33 PM
Expires: Wed August 5, 2026, 7:30 PM

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Hunterdon County in northwestern New Jersey... Southwestern Warren County in northwestern New Jersey... North Central Bucks County in southeastern Pennsylvania... * Until 730 PM EDT. * At 333 PM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain just beginning to move into the warned area. These storms have a history of producing 1 to 2 inches of rainfall within an hour and causing flash flooding. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. 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... Easton, Flemington, High Bridge, Clinton, Alpha, Glen Gardner, Ferndale, Hampton, Frenchtown, Lebanon, Milford and Califon. This includes Interstate 78 in New Jersey between mile markers 0 and 23.

Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads.

Flash Flood Warning issued August 5 at 2:50PM EDT until August 5 at 7:00PM EDT by NWS Mount Holly NJ

Effective: Wed August 5, 2026, 2:50 PM
Expires: Wed August 5, 2026, 7:00 PM

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northwestern Mercer County in central New Jersey... Southeastern Hunterdon County in northwestern New Jersey... Central Bucks County in southeastern Pennsylvania... * Until 700 PM EDT. * At 250 PM EDT, Doppler radar indicated heavy rainfall producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 0.5 to 1 inch in 30 minutes. Additional rainfall amounts up to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding caused by heavy rainfall. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets, and underpasses. * Some locations that may experience flash flooding include... Trenton, Ewing, Doylestown, Byram, Bedminster, Flemington, Chalfont, Tinicum, Pennington, New Hope, Yardley and Newtown. This includes Interstate 295 in New Jersey between mile markers 65 and 76.

Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads.

Flash Flood Warning issued August 5 at 2:17PM EDT until August 5 at 6:15PM EDT by NWS Mount Holly NJ

Effective: Wed August 5, 2026, 2:17 PM
Expires: Wed August 5, 2026, 6:15 PM

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Southeastern Bucks County in southeastern Pennsylvania... Southeastern Montgomery County in southeastern Pennsylvania... * Until 615 PM EDT. * At 217 PM EDT, Doppler radar indicated heavy rain beginning to move into the warned area. The expected rainfall rate is 0.5 to 1 inch in 30 minutes. Rainfall amounts up to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. 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... Philadelphia, Lansdale, East Norriton, Doylestown, Hatboro, Ambler, Chalfont, New Hope, Yardley, Newtown, Abington and Langhorne. This includes the following highways... Northeast Extension between mile markers 21 and 28. Pennsylvania Turnpike between mile markers 333 and 349.

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. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.