Lansdale, PA

Right Now
75°
Thunderstorm
  • Humidity: 90%
  • Feels Like: 75°
  • Heat Index: 75°
  • Wind: 10 mph
  • Wind Chill: 75°
  • UV Index: 5 Moderate
  • Sunrise: 05:46:15 AM
  • Sunset: 08:28:10 PM
  • Dew Point: 72°
  • Visibility: 1.8 mi

Today

Thunderstorms with locally heavy downpours. Storms could contain damaging winds. High 76F. Winds WSW at 10 to 15 mph. Chance of rain 100%.

Tonight

Some clouds this evening will give way to mainly clear skies overnight. A stray shower or thunderstorm is possible. Low 62F. Winds light and variable.

Tomorrow

Plentiful sunshine. High 83F. Winds NNW at 5 to 10 mph.

Weather Alert

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR
SOUTHEASTERN BERKS...NORTHWESTERN MONTGOMERY AND NORTH CENTRAL
CHESTER COUNTIES...

AT 256 PM EDT, THE PUBLIC REPORTED MULTIPLE WATER RESCUES IN THE
POTTSTOWN AREA. DOPPLER RADAR RAINFALL ESTIMATES ARE NOW UP TO THREE
INCHES.

SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE... POTTSTOWN,
BIRDSBORO, EAST GREENVILLE, ELVERSON, BALLY, BECHTELSVILLE, GREEN
LANE, NEW MORGAN, GILBERTSVILLE, CEDARVILLE, STOWE, BOYERTOWN,
PENNSBURG, RED HILL, POTTSGROVE, SOUTH POTTSTOWN, AMITY GARDENS,
SANATOGA, KENILWORTH AND HALFWAY HOUSE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

Weather Alert

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLOOD ADVISORY FOR...
MORRIS COUNTY IN NORTHERN NEW JERSEY...
HUNTERDON COUNTY IN NORTHWESTERN NEW JERSEY...
SOUTHEASTERN SUSSEX COUNTY IN NORTHWESTERN NEW JERSEY...
SOUTHERN WARREN COUNTY IN NORTHWESTERN NEW JERSEY...
NORTHWESTERN SOMERSET COUNTY IN NORTHERN NEW JERSEY...
SOUTHEASTERN BERKS COUNTY IN EASTERN PENNSYLVANIA...
MONTGOMERY COUNTY IN SOUTHEASTERN PENNSYLVANIA...
SOUTHEASTERN LEHIGH COUNTY IN EASTERN PENNSYLVANIA...
NORTHWESTERN BUCKS COUNTY IN SOUTHEASTERN PENNSYLVANIA...
NORTHERN CHESTER COUNTY IN SOUTHEASTERN PENNSYLVANIA...
SOUTH CENTRAL NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...

* UNTIL 600 PM EDT.

* AT 200 PM EDT, DOPPLER RADAR INDICATED HEAVY RAIN ALONG AN
EXTENDED LINE OF THUNDERSTORMS. THIS WILL CAUSE MINOR FLOODING IN
THE ADVISORY AREA. UP TO ONE INCH OF RAIN HAS ALREADY FALLEN.

* SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
MORRISTOWN, BRIDGEWATER, POTTSTOWN, DOVER, PHOENIXVILLE, LANSDALE,
MADISON, WEST NORRITON, HOPATCONG, EAST NORRITON, COATESVILLE,
FLORHAM PARK, EAST HANOVER, LINCOLN PARK, KINNELON, HACKETTSTOWN,
QUAKERTOWN, PERKASIE, DOYLESTOWN AND BYRAM.

ANOTHER INCH OF RAIN IS POSSIBLE ACROSS THE SAME AREAS THAT HAVE
ALREADY RECEIVED HEAVY RAINFALL. THIS ADDITIONAL RAIN WILL RESULT IN
MINOR FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD ADVISORY MEANS RIVER OR STREAM FLOWS ARE ELEVATED, OR PONDING
OF WATER IN URBAN OR OTHER AREAS IS OCCURRING OR IS IMMINENT.

&&

Weather Alert

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLOOD ADVISORY FOR...
NORTHERN NEW CASTLE COUNTY IN NORTHERN DELAWARE...
CECIL COUNTY IN NORTHEASTERN MARYLAND...
SOUTHEASTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
SOUTHEASTERN HUNTERDON COUNTY IN NORTHWESTERN NEW JERSEY...
MERCER COUNTY IN CENTRAL NEW JERSEY...
SOMERSET COUNTY IN NORTHERN NEW JERSEY...
MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEASTERN PENNSYLVANIA...
SOUTHEASTERN BUCKS COUNTY IN SOUTHEASTERN PENNSYLVANIA...
SOUTHERN CHESTER COUNTY IN SOUTHEASTERN PENNSYLVANIA...
PHILADELPHIA COUNTY IN SOUTHEASTERN PENNSYLVANIA...
DELAWARE COUNTY IN SOUTHEASTERN PENNSYLVANIA...

* UNTIL 645 PM EDT.

* AT 248 PM EDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO A LONG
LINE OF THUNDERSTORMS. THIS WILL CAUSE MINOR FLOODING IN THE
ADVISORY AREA. UP TO ONE INCH OF RAIN HAS ALREADY FALLEN.

* SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
PHILADELPHIA, TRENTON, WILMINGTON, NEW BRUNSWICK, PERTH AMBOY,
NEWARK, WEST CHESTER, ELKTON, SOMERVILLE, SOMERSET, EDISON,
CALVERT, BENSALEM, EAST BRUNSWICK, SOUTH BRUNSWICK, SAYREVILLE,
NORTH BRUNSWICK, EWING, NORRISTOWN AND CHESTER.

ANOTHER INCH OF RAIN IS POSSIBLE ACROSS THE SAME AREAS THAT HAVE
ALREADY RECEIVED HEAVY RAINFALL. THIS ADDITIONAL RAIN WILL RESULT IN
MINOR FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD ADVISORY MEANS RIVER OR STREAM FLOWS ARE ELEVATED, OR PONDING
OF WATER IN URBAN OR OTHER AREAS IS OCCURRING OR IS IMMINENT.

&&

Weather Alert

...FLASH FLOOD WATCH IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF NEW JERSEY AND SOUTHEAST
PENNSYLVANIA, INCLUDING THE FOLLOWING AREAS, IN NEW JERSEY,
CAMDEN, GLOUCESTER, HUNTERDON, MERCER, MIDDLESEX, MORRIS,
NORTHWESTERN BURLINGTON, SOMERSET, AND WESTERN MONMOUTH. IN
SOUTHEAST PENNSYLVANIA, DELAWARE, EASTERN MONTGOMERY, LOWER
BUCKS, AND PHILADELPHIA.

* FROM 11 AM EDT THIS MORNING THROUGH THIS EVENING

* THUNDERSTORMS PRODUCING HEAVY RAIN COULD RESULT IN FLASH
FLOODING ACROSS ALONG AND NEAR THE INTERSTATE 95 CORRIDOR IN NEW
JERSEY AND SOUTHEASTERN PENNSYLVANIA. ONE TO TWO INCHES OF RAIN
IS EXPECTED, THOUGH LOCALLY HIGHER AMOUNTS ABOVE 3 INCHES ARE
POSSIBLE.

* THE HEAVIEST RAIN IS EXPECTED THIS AFTERNOON AND EVENING,
INCLUDING THE AFTERNOON COMMUTE. EXCESSIVE RAINFALL WITHIN A
SHORT PERIOD OF TIME CAN LEAD TO RAPIDLY RISING WATER AND FLASH
FLOODING, PARTICULARLY IN URBAN AREAS AND ALONG SMALL CREEKS AND
STREAMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT THERE IS THE POTENTIAL FOR FLASH
FLOODING WHICH CAN BE LIFE-THREATENING. HEAVY RAIN IS EXPECTED TO
OCCUR OVER A SHORT PERIOD OF TIME. RAPIDLY RISING FLOOD WATERS
MAY QUICKLY INUNDATE ROADWAYS AND AREAS OF POOR DRAINAGE. STREAMS
AND CREEKS COULD LEAVE THEIR BANKS, FLOODING NEARBY PROPERTIES.

PLEASE MONITOR THE FORECAST, ESPECIALLY IF YOU LIVE IN A LOCATION
THAT IS PRONE TO FLOODING. BE PREPARED TO TAKE ACTION IF A FLASH
FLOOD WARNING IS ISSUED FOR YOUR AREA.

&&

Next 12 Hours

Time
Temp
Precip
3 PM
75°
100%
3 PM
75°

Wind: WSW @ 10mph

Precip: 100% Chance

Humidity: 90%

Wind Chill: 75°

Heat Index: 75°

UV Index: 5 Moderate

Visibility: 1 mi

4 PM
71°
94%
4 PM
71°

Wind: WSW @ 8mph

Precip: 94% Chance

Humidity: 100%

Wind Chill: 71°

Heat Index: 71°

UV Index: 3 Moderate

Visibility: 0.32 mi

5 PM
71°
71%
5 PM
71°

Wind: WSW @ 7mph

Precip: 71% Chance

Humidity: 100%

Wind Chill: 71°

Heat Index: 71°

UV Index: 2 Low

Visibility: 7 mi

6 PM
72°
31%
6 PM
72°

Wind: W @ 6mph

Precip: 31% Chance

Humidity: 97%

Wind Chill: 72°

Heat Index: 72°

UV Index: 1 Low

Visibility: 9 mi

7 PM
76°
18%
7 PM
76°

Wind: WNW @ 3mph

Precip: 18% Chance

Humidity: 84%

Wind Chill: 76°

Heat Index: 76°

UV Index: 0 Low

Visibility: 8 mi

8 PM
74°
19%
8 PM
74°

Wind: NW @ 2mph

Precip: 19% Chance

Humidity: 91%

Wind Chill: 74°

Heat Index: 74°

UV Index: 0 Low

Visibility: 7 mi

9 PM
72°
18%
9 PM
72°

Wind: NNW @ 1mph

Precip: 18% Chance

Humidity: 98%

Wind Chill: 72°

Heat Index: 72°

UV Index: 0 Low

Visibility: 6 mi

10 PM
72°
15%
10 PM
72°

Wind: NNW @ 1mph

Precip: 15% Chance

Humidity: 97%

Wind Chill: 72°

Heat Index: 75°

UV Index: 0 Low

Visibility: 5 mi

11 PM
71°
15%
11 PM
71°

Wind: N @ 2mph

Precip: 15% Chance

Humidity: 95%

Wind Chill: 71°

Heat Index: 74°

UV Index: 0 Low

Visibility: 6 mi

12 AM
70°
15%
12 AM
70°

Wind: N @ 2mph

Precip: 15% Chance

Humidity: 97%

Wind Chill: 70°

Heat Index: 72°

UV Index: 0 Low

Visibility: 7 mi

1 AM
69°
15%
1 AM
69°

Wind: N @ 2mph

Precip: 15% Chance

Humidity: 97%

Wind Chill: 69°

Heat Index: 71°

UV Index: 0 Low

Visibility: 8 mi

2 AM
68°
5%
2 AM
68°

Wind: N @ 3mph

Precip: 5% Chance

Humidity: 96%

Wind Chill: 68°

Heat Index: 70°

UV Index: 0 Low

Visibility: 8 mi