Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Overcast

56°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 29.93 in (1013.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 11 Oct 8:54 pm EDT
Extended Forecast for

South Williamsport PA

  • Tonight

    Tonight: Rain likely, mainly before 11pm.  Cloudy, with a low around 55. Northeast wind around 5 mph becoming light and variable  in the evening.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Rain Likely

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 73. Northwest wind 5 to 7 mph.

    High: 73 °F

    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog before 11pm, then patchy fog after midnight.  Otherwise, partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 78 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm.  Partly sunny, with a high near 76. Chance of precipitation is 20%.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely after 2am.  Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Partly Cloudy
    then Showers
    Likely

Detailed Forecast

Tonight
Rain likely, mainly before 11pm. Cloudy, with a low around 55. Northeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
Partly sunny, with a high near 73. Northwest wind 5 to 7 mph.
Monday Night
Patchy fog before 11pm, then patchy fog after midnight. Otherwise, partly cloudy, with a low around 55. Calm wind.
Tuesday
Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 63. Light and variable wind.
Wednesday
A slight chance of showers after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Showers likely after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 41. Breezy. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 51. Breezy.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
South Williamsport PA
 41.24°N 76.99°W (Elev. 492 ft)
8:06 pm EDT Oct 11, 2026
9pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database