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

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Fair

35°F

2°C

Humidity 72%
Wind Speed Calm
Barometer 30.44 in (1031.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 12 Apr 4:54 am EDT
Extended Forecast for

3 Miles NNW Lock Haven PA

  • Today

    Today: 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 22 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. South wind 6 to 8 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers.  Mostly cloudy, with a high near 70. South wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. West wind 5 to 7 mph.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm.  Partly sunny, with a high near 77. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 59. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm.  Partly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm.  Partly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
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 22 mph.
Tonight
Mostly cloudy, with a low around 51. South wind 6 to 8 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 70. South wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 57. West wind 5 to 7 mph.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 77. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 54.
Saturday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lock Haven PA
 41.18°N 77.47°W (Elev. 912 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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