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

Severe Weather and Excessive Rain from the Southern Plains into the Mississippi Valley

Severe thunderstorms may produce tornadoes, some strong, damaging wind gusts above 70 mph, and very large hail exceeding 2 inches in diameter, and intense rainfall that may cause flash flooding tonight across much of the southern Plains and lower Missouri Valley. The severe thunderstorms and excessive rainfall will expand from east Texas into the Mississippi Valley on Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Overcast

52°F

11°C

Humidity 86%
Wind Speed Calm
Barometer 30.20 in (1022.7 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 28 Apr 8:54 am EDT
Extended Forecast for

South Williamsport PA

  • Today

    Today: A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Partly Sunny
    then Chance
    Showers

    High: 82 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 58. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Mostly Cloudy

    Low: 58 °F

  • Monday

    Monday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 20%.

    Partly Sunny
    then Slight
    Chance
    T-storms

    High: 86 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.

    Partly Cloudy

    Low: 61 °F

  • Tuesday

    Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Showers
    Likely

    High: 83 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 59 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    Mostly Sunny

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 55.

    Mostly Clear

    Low: 55 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    Mostly Sunny

    High: 80 °F

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 58. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
South Williamsport PA
 41.24°N 76.99°W (Elev. 492 ft)
Last Update:
8:51 am EDT Apr 28, 2024
Forecast Valid:
9am EDT Apr 28, 2024-6pm EDT May 4, 2024
 
Forecast Discussion
 
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Additional Resources

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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