National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Partly Cloudy

93°F

34°C

Humidity 50%
Wind Speed Vrbl 7 mph
Barometer 30.19 in (1021.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 18 Jun 3:53 pm EDT
Extended Forecast for

Mechanicsville PA

Heat Advisory June 18, 04:30pm until June 21, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 18, 04:30pm until June 21, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 68 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 91. Calm wind becoming south around 6 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Light south wind.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 91. Light southwest wind.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 40%.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. South wind 3 to 7 mph.
Juneteenth
Mostly sunny, with a high near 91. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68. Light south wind.
Thursday
Mostly sunny, with a high near 91. Light southwest wind.
Thursday Night
Partly cloudy, with a low around 71. Calm wind.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 92. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Monday
A chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly clear, with a low around 61. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 86.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsville PA
 40.98°N 76.57°W (Elev. 961 ft)
Last Update:
3:29 pm EDT Jun 18, 2024
Forecast Valid:
4pm EDT Jun 18, 2024-6pm EDT Jun 25, 2024
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation