Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair

39°F

4°C

Humidity	73%
Wind Speed	E 5 mph
Barometer	30.46 in (1031.6 mb)
Dewpoint	31°F (-1°C)
Visibility	10.00 mi
Wind Chill	35°F (2°C)
Last update	12 Apr 5:53 am EDT

More Information:

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

Extended Forecast for

Mount Gretna PA

Frost Advisory until April 12, 08:00am

Click here for hazard details and duration

...

Frost Advisory until April 12, 08:00am
NOW until 8:00am Sun
Frost Advisory
Today
High: 63 °F
Mostly Sunny
Tonight
Low: 51 °F
Mostly Cloudy
Monday
High: 76 °F
Mostly Cloudy
then Chance
Showers
Monday Night
Low: 57 °F
Chance
Showers then
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
Tuesday Night
Low: 62 °F
Slight Chance
Showers
Wednesday
High: 85 °F
Mostly Sunny
Wednesday Night
Low: 64 °F
Chance
Showers

Detailed Forecast

Today

Mostly sunny, with a high near 63. East wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

Tonight

Mostly cloudy, with a low around 51. South wind 10 to 14 mph, with gusts as high as 22 mph.

Monday

A chance of showers after 2pm. Mostly cloudy, with a high near 76. South wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

Monday Night

A chance of showers before 8pm. Partly cloudy, with a low around 57. West wind 6 to 10 mph. Chance of precipitation is 30%.

Tuesday

Mostly sunny, with a high near 82. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

Tuesday Night

A slight chance of showers before 2am. Partly cloudy, with a low around 62. Chance of precipitation is 20%.

Wednesday

Mostly sunny, with a high near 85.

Wednesday Night

A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

Thursday

Partly sunny, with a high near 84.