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Heavy Rain and Potential for Flash Flooding for Mid-Atlantic

An unseasonably strong storm system will bring heavy rain to the Mid-Atlantic and central Appalachians Friday into Saturday. Flash flooding and widespread lowland flooding are possible during this period. Meanwhile, monsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Desert Southwest through the southern/central Rockies and High Plains. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

79°F

26°C

Humidity 72%
Wind Speed E 3 mph
Barometer 29.79 in (1008.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 28 Jul 3:53 pm EDT
Extended Forecast for

Northumberland PA

  • This
    Afternoon

    This Afternoon: Showers likely, mainly after 5pm.  Partly sunny, with a steady temperature around 75. Northeast wind 3 to 5 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely

    High: 75 °F

  • Tonight

    Tonight: Showers likely, mainly before 5am.  Mostly cloudy, with a low around 60. North wind 3 to 6 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Showers
    Likely

    Low: 60 °F

  • Saturday

    Saturday: A chance of showers, mainly before 8am.  Mostly cloudy, with a high near 75. North wind 6 to 11 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 75 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 54. North wind 3 to 7 mph.

    Partly Cloudy

    Low: 54 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 80. North wind around 5 mph.

    Mostly Sunny

    High: 80 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 57.

    Mostly Clear

    Low: 57 °F

  • Monday

    Monday: Mostly sunny, with a high near 84.

    Mostly Sunny

    High: 84 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 62.

    Partly Cloudy

    Low: 62 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    Mostly Sunny

    High: 86 °F

Detailed Forecast

This Afternoon
Showers likely, mainly after 5pm. Partly sunny, with a steady temperature around 75. Northeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly before 5am. Mostly cloudy, with a low around 60. North wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of showers, mainly before 8am. Mostly cloudy, with a high near 75. North wind 6 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 54. North wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 80. North wind around 5 mph.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Click Map For Forecast
Point Forecast:
Northumberland PA
 40.89°N 76.79°W (Elev. 482 ft)
3:18 pm EDT Jul 28, 2017
4pm EDT Jul 28, 2017-6pm EDT Aug 4, 2017
 
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