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 >

Current conditions at

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Overcast

50°F

10°C

Humidity 83%
Wind Speed E 8 mph
Barometer 30.26 in (1024.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 27 Apr 11:54 pm EDT
Extended Forecast for

South Williamsport PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 50. Light southeast wind.

    Mostly Cloudy

    Low: 50 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Partly Sunny
    then Chance
    T-storms

    High: 82 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Partly 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 around 6 mph in the afternoon. Chance of precipitation is 20%.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 86 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 61. Light southeast wind.

    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. 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 and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    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

Detailed Forecast

Overnight
Mostly cloudy, with a low around 50. Light southeast wind.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 58. Calm wind. 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 around 6 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 61. Light southeast wind.
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. 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 and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
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:
11:48 pm EDT Apr 27, 2024
Forecast Valid:
12am EDT Apr 28, 2024-6pm EDT May 3, 2024
 
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