Hazardous Weather Conditions
Current conditions at
Selinsgrove Penn Valley Airport (KSEG)
Lat: 40.82°NLon: 76.87°WElev: 443ft.
Fog/Mist
71°F
22°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 29.93 in (1013.2 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 6.00 mi |
| Last update | 18 Jun 7:53 am EDT |
Extended Forecast for
Mechanicsville PA
Today
High: 83 °F
Showers
Likely and
Patchy Dense
FogTonight
Low: 69 °F
Showers
Likely then
Patchy FogJuneteenth
High: 86 °F
Chance
T-storms then
Severe
ThunderstormsThursday Night
Low: 61 °F
Severe
Thunderstorms
then Partly
CloudyFriday
High: 83 °F
Sunny
Friday Night
Low: 61 °F
Partly Cloudy
then Patchy
FogSaturday
High: 87 °F
Mostly Sunny
Saturday Night
Low: 68 °F
Partly Cloudy
Sunday
High: 91 °F
Mostly Sunny
Detailed Forecast
Today
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy dense fog before 10am. Otherwise, mostly cloudy, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Patchy fog between midnight and 3am. Otherwise, partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could be severe. High near 86. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 8pm. Some of the storms could be severe. Low around 61. Northwest wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 83. Northwest wind 3 to 6 mph.
Friday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 71.
Monday
Patchy fog. Otherwise, sunny and hot, with a high near 96.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny and hot, with a high near 96.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mechanicsville PA
40.96°N 76.6°W (Elev. 499 ft)
40.96°N 76.6°W (Elev. 499 ft)
7:15 am EDT Jun 18, 2025
8am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
