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

Hazardous Weather Conditions

Current conditions at

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Fair

87°F

31°C

Humidity 63%
Wind Speed S 14 mph
Barometer 29.99 in (1014.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 13 Jul 2:54 pm EDT
Extended Forecast for

South Williamsport PA

Flood Watch until July 14, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until July 14, 01:00am

    NOW until 1:00am Mon

    Flood Watch

  • This Afternoon

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 5am, then a slight chance of showers. Low around 70. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 86. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Partly Sunny
    then
    Scattered
    T-storms

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.

    High: 89 °F

    Partly Sunny
    then
    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    T-storms

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 5am, then a slight chance of showers. Low around 70. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 86. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly cloudy, with a low around 69. Calm wind.
Tuesday
Scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Wednesday Night
Scattered showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Thursday
Scattered showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
Scattered showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Friday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
Scattered showers. Partly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Williamsport PA
 41.24°N 76.99°W (Elev. 492 ft)
Last Update:
8:29 am EDT Jul 13, 2025
Forecast Valid:
3pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
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