Heat Continues in the Northeast and Northwest U.S.; Areas of Flash Flooding In the Ohio Valley and Southwest

Dangerous heat will continue to impact portions of the interior Northwest and Northeast U.S. Some relief is expected by Wednesday for the Northeast. Monsoon showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region into the Great Basin this week. Thunderstorms, some severe, may produce excessive rainfall from the Ohio Valley to the Central Appalachians. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Mostly Cloudy

71°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 30.03 in (1016.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 9 Aug 11:53 pm EDT
Extended Forecast for

Herndon PA

  • Overnight

    Overnight: Partly cloudy, with a low around 68. Calm wind.

    Partly Cloudy

    Low: 68 °F

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Some of the storms could produce heavy rainfall.  Partly sunny, with a high near 85. Light north wind.  Chance of precipitation is 40%.

    Heavy Rain

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers, mainly before 8pm. The rain could be heavy at times.  Partly cloudy, with a low around 63. Calm wind.  Chance of precipitation is 30%.

    Heavy Rain

    Low: 63 °F

  • Thursday

    Thursday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Sunny, with a high near 87. Calm wind becoming northwest 5 to 7 mph in the morning.  Chance of precipitation is 20%.

    Sunny then
    Slight Chance
    T-storms

    High: 87 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 59. North wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 59 °F

  • Friday

    Friday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

  • Friday
    Night

    Friday Night: Clear, with a low around 54.

    Clear

    Low: 54 °F

  • Saturday

    Saturday: Sunny, with a high near 82.

    Sunny

    High: 82 °F

  • Saturday
    Night

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

    Mostly Clear

    Low: 55 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 68. Calm wind.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 85. Light north wind. Chance of precipitation is 40%.
Wednesday Night
A chance of showers, mainly before 8pm. The rain could be heavy at times. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.
Thursday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 87. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 59. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 81.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 79.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Herndon PA
 40.72°N 76.85°W (Elev. 397 ft)
11:54 pm EDT Aug 9, 2022
12am EDT Aug 10, 2022-6pm EDT Aug 15, 2022
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database