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

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Fair

66°F

19°C

Humidity 42%
Wind Speed E 8 G 17 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 10 Apr 1:54 pm EDT
Extended Forecast for

3 Miles ESE Sonestown PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 64. Southwest wind around 10 mph, with gusts as high as 23 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a chance of showers between midnight and 1am.  Mostly cloudy, with a low around 37. Southwest wind 10 to 14 mph becoming north after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 50. North wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 50 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. North wind around 7 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 53. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 53 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm.  Mostly cloudy, with a high near 65. Chance of precipitation is 40%.

    High: 65 °F

    Cloudy then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm.  Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 64. Southwest wind around 10 mph, with gusts as high as 23 mph.
Tonight
Showers and thunderstorms likely before midnight, then a chance of showers between midnight and 1am. Mostly cloudy, with a low around 37. Southwest wind 10 to 14 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 50. North wind 9 to 14 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 31. North wind around 7 mph.
Sunday
Partly sunny, with a high near 53. South wind 5 to 10 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
Monday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Sonestown PA
 41.34°N 76.45°W (Elev. 2297 ft)
1:52 pm EDT Apr 10, 2026
1pm EDT Apr 10, 2026-6pm EDT Apr 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database