Extreme Fire Weather Concerns for the Western U.S.; Severe Weather and Flooding Threats for the Central U.S.

Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Light Rain

66°F

19°C

Humidity 93%
Wind Speed Calm
Barometer 30.08 in (1018.3 mb)
Dewpoint 64°F (18°C)
Visibility 9.00 mi
Last update 27 Jun 1:53 am EDT
Extended Forecast for

Lewisburg PA

  • Overnight

    Overnight: A chance of light rain.  Mostly cloudy, with a low around 64. Calm wind.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Chance Light
    Rain

  • Saturday

    Saturday: Light rain likely before 1pm, then showers likely, mainly between 1pm and 2pm.  Mostly cloudy, with a high near 77. Calm wind.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Light Rain
    Likely

  • Saturday Night

    Saturday Night: A chance of showers, mainly between 2am and 3am.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 64. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers between 10am and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Patchy fog before 7am.  Otherwise, partly sunny, with a high near 84. Calm wind.  Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of light rain. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Light rain likely before 1pm, then showers likely, mainly between 1pm and 2pm. Mostly cloudy, with a high near 77. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers, mainly between 2am and 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers between 10am and 3pm, then a slight chance of showers and thunderstorms after 3pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 84. Calm wind. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 63. Calm wind.
Monday
Mostly sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Mostly sunny and hot, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 73.
Friday
Mostly sunny and hot, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lewisburg PA
 40.96°N 76.89°W (Elev. 499 ft)
1:21 am EDT Jun 27, 2026
1am EDT Jun 27, 2026-6pm EDT Jul 3, 2026
 
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