Areas of Excessive Rainfall; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall Wednesday may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Saturday. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fog/Mist

68°F

20°C

Humidity	96%
Wind Speed	SE 6 mph
Barometer	30.00 in (1015.6 mb)
Dewpoint	67°F (19°C)
Visibility	6.00 mi
Last update	23 Sep 7:53 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Lancaster PA

Tonight
Low: 64 °F
Showers
Likely and
Patchy Fog
Wednesday
High: 82 °F
Patchy Fog
then Chance
Showers
Wednesday Night
Low: 67 °F
Showers
Likely
Thursday
High: 78 °F
Showers
Thursday Night
Low: 64 °F
Chance
Showers
Friday
High: 80 °F
Chance
Showers
Friday Night
Low: 61 °F
Chance
Showers then
Mostly Cloudy
Saturday
High: 80 °F
Mostly Cloudy
then Chance
Showers
Saturday Night
Low: 60 °F
Chance
Showers then
Mostly Cloudy

Detailed Forecast

Tonight

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 1am. Patchy fog. Otherwise, mostly cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers, mainly between 2pm and 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 82. Light and variable wind. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Cloudy, with a low around 67. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and possibly a thunderstorm. High near 78. South wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers, mainly after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A chance of showers before 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

Saturday

A chance of showers after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.

Saturday Night

A chance of showers before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 81.

Sunday Night

Partly cloudy, with a low around 57.

Monday

Mostly sunny, with a high near 79.