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

40°F

4°C

Humidity 70%
Wind Speed E 3 mph
Barometer 30.44 in (1031.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 12 Apr 4:53 am EDT
Extended Forecast for

2 Miles N Lampeter PA

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

    NOW until 8:00am Sun

    Frost Advisory

  • Overnight

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Southeast wind around 10 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers after 2pm.  Partly sunny, with a high near 79. South wind 10 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 57. West wind 3 to 7 mph.  Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Light east wind.
Sunday
Mostly sunny, with a high near 64. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 51. Southeast wind around 10 mph, with gusts as high as 21 mph.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 79. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers before 8pm. Partly cloudy, with a low around 57. West wind 3 to 7 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
Partly sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Lampeter PA
 40.03°N 76.25°W (Elev. 318 ft)
2:51 am EDT Apr 12, 2026
5am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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