Locally Heavy Rainfall and Flash Flooding Possible Over the Midwest & Southwest; Critical Fire Weather Conditions in the Great Basin

Monsoon moisture will result in locally heavy showers and thunderstorms over the Southwest U.S. through Sunday. Heavy rainfall will also impact parts of the Midwest. Meanwhile, critical fire weather conditions are expected for much of the Great Basin. Tropical Storm Humberto will remain well offshore the Southeast U.S., but rip currents and heavy surf are expected from Florida to the Carolinas. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Northumberland PA

  • Today

    Today: Areas of fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 26. Calm wind.

    Areas Fog
    then Sunny

    High: 26 °C

  • Tonight

    Tonight: Partly cloudy, with a low around 15. Calm wind.

    Partly Cloudy

    Low: 15 °C

  • Monday

    Monday: A slight chance of showers.  Partly sunny, with a high near 27. Calm wind becoming northwest 5 to 8 km/h in the afternoon.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 27 °C

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 13. North wind 8 to 10 km/h.

    Partly Cloudy

    Low: 13 °C

  • Tuesday

    Tuesday: Sunny, with a high near 24. North wind 3 to 8 km/h.

    Sunny

    High: 24 °C

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 11.

    Mostly Clear

    Low: 11 °C

  • Wednesday

    Wednesday: Sunny, with a high near 24.

    Sunny

    High: 24 °C

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 12.

    Mostly Clear

    Low: 12 °C

  • Thursday

    Thursday: Sunny, with a high near 24.

    Sunny

    High: 24 °C

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 26. Calm wind.
Tonight
Partly cloudy, with a low around 15. Calm wind.
Monday
A slight chance of showers. Partly sunny, with a high near 27. Calm wind becoming northwest 5 to 8 km/h in the afternoon. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 13. North wind 8 to 10 km/h.
Tuesday
Sunny, with a high near 24. North wind 3 to 8 km/h.
Tuesday Night
Mostly clear, with a low around 11.
Wednesday
Sunny, with a high near 24.
Wednesday Night
Mostly clear, with a low around 12.
Thursday
Sunny, with a high near 24.
Thursday Night
Mostly clear, with a low around 13.
Friday
Mostly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 27.
Click Map For Forecast
Point Forecast:
Northumberland PA
 40.89°N 76.79°W (Elev. 147 m)
1:12 am EDT Sep 15, 2019
6am EDT Sep 15, 2019-6pm EDT Sep 21, 2019
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database