Dangerous Heat Building in the West; Severe Storms in the Upper Midwest

A long duration heat wave will build across the Southwest, California, and Pacific Northwest. Dangerous heat is also forecast for the Great Basin and South Plains. Severe storms in the Upper Midwest may have locally heavy rain, damaging winds, and very large hail. Heavy rain and flooding will also be possible in the Deep South and Appalachians. Read More >

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Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair with Haze

77°F

25°C

Humidity	79%
Wind Speed	NE 8 mph
Barometer	30.04 in (1016.7 mb)
Dewpoint	70°F (21°C)
Visibility	5.00 mi
Heat Index	79°F (26°C)
Last update	14 Aug 8:53 am EDT

More Information:

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

Extended Forecast for

Lancaster PASimilar City Names

Today

Slight Chance
Showers then
Chance
T-storms
High: 86 °F
Tonight

Chance
T-storms then
Mostly Cloudy
Low: 66 °F
Saturday

Partly Sunny
High: 82 °F
Saturday
Night

Chance
Showers
Low: 66 °F
Sunday

Showers
Likely
High: 77 °F
Sunday
Night

Chance
Showers
Low: 64 °F
Monday

Mostly Sunny
High: 83 °F
Monday
Night

Partly Cloudy
Low: 63 °F
Tuesday

Sunny
High: 83 °F

Detailed Forecast

Today

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. East wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Partly sunny, with a high near 82. East wind 6 to 8 mph.

Saturday Night

A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 66. East wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Showers likely, mainly before 2pm. Mostly cloudy, with a high near 77. East wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

A chance of showers, mainly before midnight. Mostly cloudy, with a low around 64. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

Mostly sunny, with a high near 83.

Monday Night

Partly cloudy, with a low around 63.

Tuesday

Sunny, with a high near 83.

Tuesday Night

Partly cloudy, with a low around 62.

Wednesday

Partly sunny, with a high near 82.

Wednesday Night

Mostly cloudy, with a low around 64.