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.

Fair

90°F

32°C

Humidity 52%
Wind Speed SW 6 mph
Barometer 30.04 in (1016.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 14 Jul 3:53 pm EDT
Extended Forecast for

Milton PA

Heat Advisory July 14, 03:58pm until July 15, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 14, 03:58pm until July 15, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Widespread haze. Patchy smoke. Sunny and hot, with a high near 97. Heat index values as high as 102. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 97 °F

    Haze

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. Northwest wind around 6 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: Widespread haze. Areas of smoke. Mostly cloudy, then gradually becoming sunny and hot, with a high near 93. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 93 °F

    Haze

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. Northwest wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 73. West wind 5 to 8 mph becoming calm after midnight.
Wednesday
Widespread haze. Patchy smoke. Sunny and hot, with a high near 97. Heat index values as high as 102. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 70. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Widespread haze. Areas of smoke. Mostly cloudy, then gradually becoming sunny and hot, with a high near 93. Calm wind becoming west 5 to 9 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 66. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 90.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Sunday Night
A chance of thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 88.
Monday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Milton PA
 41.01°N 76.86°W (Elev. 456 ft)
Last Update:
2:21 pm EDT Jul 14, 2026
Forecast Valid:
3pm EDT Jul 14, 2026-6pm EDT Jul 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation