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Severe Weather of July 18th, 2026

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

A Few Clouds

78°F

26°C

Humidity	74%
Wind Speed	S 15 G 21 mph
Barometer	29.68 in (1004.6 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	28 Jul 10:53 am EDT

More Information:

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

Extended Forecast for

East Prospect PA

Flood Watch until July 29, 02:00am

Click here for hazard details and duration

Flood Watch

Flood Watch until July 29, 02:00am
NOW until 2:00am Wed
Flood Watch
Today
High: 82 °F
T-storms
Tonight
Low: 66 °F
Heavy Rain
then Mostly
Clear
Wednesday
High: 81 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 66 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 81 °F
Partly Sunny
then Chance
Showers
Thursday Night
Low: 65 °F
Chance
Showers then
Mostly Clear
Friday
High: 84 °F
Sunny
Friday Night
Low: 66 °F
Partly Cloudy

Detailed Forecast

Today

Showers and possibly a thunderstorm before 5pm, then showers and thunderstorms likely after 5pm. High near 82. Southeast wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Showers and thunderstorms likely, mainly before 10pm. Some of the storms could produce heavy rainfall. Mostly cloudy, then gradually becoming mostly clear, with a low around 66. East wind 5 to 8 mph becoming west in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

A chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 81. Northwest wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A slight chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 81. Northwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

Thursday Night

A chance of showers before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

Friday

Sunny, with a high near 84.

Friday Night

Partly cloudy, with a low around 66.

Saturday

Mostly sunny, with a high near 86.

Saturday Night

Mostly cloudy, with a low around 69.

Sunday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.