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 >

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair

52°F

11°C

Humidity 49%
Wind Speed Calm
Barometer 30.34 in (1027.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 11 Apr 9:53 pm EDT
Extended Forecast for

Lancaster PA

Frost Advisory April 12, 02:00am until April 12, 08:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 37. Light northeast wind.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 63. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 2pm.  Mostly cloudy, with a high near 80. Southwest wind 9 to 14 mph, with gusts as high as 29 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 2am.  Partly cloudy, with a low around 58. West wind 3 to 8 mph.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 37. Light northeast wind.
Sunday
Mostly sunny, with a high near 63. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 51. South wind around 10 mph, with gusts as high as 20 mph.
Monday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 80. Southwest wind 9 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 58. West wind 3 to 8 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly cloudy, with a low around 65.
Thursday
Partly sunny, with a high near 87.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster PA
 40.04°N 76.3°W (Elev. 302 ft)
8:05 pm EDT Apr 11, 2026
10pm EDT Apr 11, 2026-6pm EDT Apr 18, 2026
 
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Additional Resources

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