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Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Mostly Cloudy

73°F

23°C

Humidity 76%
Wind Speed S 13 G 18 mph
Barometer 29.64 in (1003.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 16 Oct 2:53 pm EDT
Extended Forecast for

Mifflinburg PA

Freeze Watch October 18, 01:00am until October 18, 09:00am
Severe T-storm Watch until October 16, 08:00pm
Severe T-storm Warning October 16, 03:00pm until October 16, 03:15pm
Click here for hazard details and duration
Freeze Watch
Severe T-storm Watch
Severe T-storm Warning
  •  
    Severe T-storm Watch until October 16, 08:00pm
    Severe T-storm Warning October 16, 03:00pm until October 16, 03:15pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 74 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Increasing clouds, with a low around 44. North wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 44 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 50. North wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 50 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 3am. Otherwise, clear, with a low around 30. North wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 58. Calm wind.

    High: 58 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 60.

    High: 60 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 74. Southwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Increasing clouds, with a low around 44. North wind 10 to 14 mph, with gusts as high as 26 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 50. North wind 14 to 17 mph, with gusts as high as 29 mph.
Saturday Night
Widespread frost, mainly after 3am. Otherwise, clear, with a low around 30. North wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 58. Calm wind.
Sunday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 34.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mifflinburg PA
 40.91°N 77.05°W (Elev. 699 ft)
Last Update:
2:51 pm EDT Oct 16, 2026
Forecast Valid:
3pm EDT Oct 16, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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