Severe Storms and Flash Flood Threat in the Lower Mississippi River Valley

Scattered severe thunderstorms are expected from parts of central/east Texas into the lower Mississippi Valley and Mid-South. Large hail, damaging wind gusts, and a couple of tornadoes all appear possible. Heavy rain from storms will also result in a threat of flash flooding. Critical fire weather conditions will exist in Northern California and New Mexico. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Light Rain

45°F

7°C

Humidity 86%
Wind Speed E 6 mph
Barometer 29.99 in (1015.9 mb)
Dewpoint 41°F (5°C)
Visibility 8.00 mi
Wind Chill42°F (6°C)
Last update 9 May 2:53 pm EDT
Extended Forecast for

Herndon PA

  • This
    Afternoon

    This Afternoon: Rain.  High near 52. Calm wind.  Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Rain

    High: 52 °F

  • Tonight

    Tonight: Rain, mainly before 5am.  Low around 45. East wind around 5 mph becoming calm.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    Low: 45 °F

  • Monday

    Monday: A chance of rain before 7am.  Partly sunny, with a high near 61. Northwest wind 6 to 8 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain
    then Mostly
    Sunny

    High: 61 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 42. Northwest wind around 6 mph.

    Partly Cloudy

    Low: 42 °F

  • Tuesday

    Tuesday: Isolated showers after 2pm.  Partly sunny, with a high near 59. Northwest wind 5 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Mostly Sunny
    then Isolated
    Showers

    High: 59 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 39.

    Partly Cloudy

    Low: 39 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    Mostly Sunny

    High: 63 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 38.

    Mostly Clear

    Low: 38 °F

  • Thursday

    Thursday: Sunny, with a high near 68.

    Sunny

    High: 68 °F

Detailed Forecast

This Afternoon
Rain. High near 52. Calm wind. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 5am. Low around 45. East wind around 5 mph becoming calm. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of rain before 7am. Partly sunny, with a high near 61. Northwest wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 42. Northwest wind around 6 mph.
Tuesday
Isolated showers after 2pm. Partly sunny, with a high near 59. Northwest wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 45. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 73.
Click Map For Forecast
Point Forecast:
Herndon PA
 40.72°N 76.85°W (Elev. 397 ft)
3:17 pm EDT May 9, 2021
3pm EDT May 9, 2021-6pm EDT May 16, 2021
 
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