National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Montoursville PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 72. South wind around 9 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and 1am. Mostly cloudy, with a low around 42. West wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 59. Northwest wind 7 to 10 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 61. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 61 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.

    High: 72 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 78.

    High: 78 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 72. South wind around 9 mph.
Tonight
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and 1am. Mostly cloudy, with a low around 42. West wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 59. Northwest wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 36. Calm wind.
Sunday
Partly sunny, with a high near 61. Light southeast 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 49.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
Monday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 78.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montoursville PA
 41.26°N 76.93°W (Elev. 531 ft)
Last Update:
2:21 pm EDT Apr 10, 2026
Forecast Valid:
2pm EDT Apr 10, 2026-6pm EDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation