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Severe Thunderstorms over the Plains, Heavy Rain Threat Continues over Portions of the Mississippi Valley

Heavy rainfall with localized flooding will remain possible over portions of the Mississippi Valley and the Plains through midweek. In addition, severe thunderstorms will be possible over the southern and central Plains. Some of the storms could contain damaging winds and large hail. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Mostly Cloudy

74°F

23°C

Humidity 91%
Wind Speed Calm
Barometer 30.00 in (1015.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 16 Aug 7:53 pm EDT
Extended Forecast for

Herndon PA

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 63. Calm wind.

    Clear then
    Patchy Fog

    Low: 63 °F

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 85. Light and variable wind.  Chance of precipitation is 20%.

    Patchy Fog
    then Slight
    Chance
    T-storms

    High: 85 °F

  • Thursday
    Night

    Thursday Night: Showers and thunderstorms likely, mainly after 2am.  Mostly cloudy, with a low around 69. Calm wind becoming south around 5 mph after midnight.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    Low: 69 °F

  • Friday

    Friday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 85. South wind around 6 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely

    High: 85 °F

  • Friday
    Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance
    Showers

    Low: 67 °F

  • Saturday

    Saturday: Isolated showers after 2pm.  Mostly sunny, with a high near 84. Chance of precipitation is 20%.

    Mostly Sunny
    then Isolated
    Showers

    High: 84 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    Mostly Sunny

    High: 84 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 63. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Light and variable wind. Chance of precipitation is 20%.
Thursday Night
Showers and thunderstorms likely, mainly after 2am. Mostly cloudy, with a low around 69. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 85. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Isolated showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Scattered showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Wednesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Herndon PA
 40.72°N 76.85°W (Elev. 397 ft)
6:55 pm EDT Aug 16, 2017
8pm EDT Aug 16, 2017-6pm EDT Aug 23, 2017
 
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