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

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

42°F

6°C

Humidity 62%
Wind Speed E 6 mph
Barometer 30.46 in (1031.7 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Apr 6:56 am EDT
Extended Forecast for

Linglestown 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: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. Southeast wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, mainly after 2pm.  Mostly cloudy, with a high near 77. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 57. West wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 2pm.  Mostly sunny, with a high near 83. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

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

    Low: 62 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 65. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Tonight
Mostly cloudy, with a low around 51. Southeast wind 7 to 10 mph, with gusts as high as 21 mph.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 77. Southwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers before 8pm. Partly cloudy, with a low around 57. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
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 87.
Wednesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 85.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Linglestown PA
 40.33°N 76.8°W (Elev. 479 ft)
6:21 am EDT Apr 12, 2026
7am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
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Additional Resources

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