Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

69°F

21°C

Humidity 55%
Wind Speed NW 14 G 22 mph
Barometer 29.70 in (1005.6 mb)
Dewpoint 52°F (11°C)
Visibility 8.00 mi
Last update 18 May 3:53 pm EDT
Extended Forecast for

Mifflinburg PA

  • Tonight

    Tonight: Partly cloudy, with a low around 51. West wind 6 to 14 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 70. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. North wind around 6 mph becoming calm  after midnight.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. North wind 3 to 5 mph.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers, mainly after 2am.  Low around 49. Calm wind.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Slight Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers.  High near 56. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers.  Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Thursday

    Thursday: Showers.  High near 56. Chance of precipitation is 80%.

    High: 56 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers.  Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 51. West wind 6 to 14 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 70. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 42. North wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 68. North wind 3 to 5 mph.
Tuesday Night
Showers, mainly after 2am. Low around 49. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers. High near 56. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers. Low around 48. Chance of precipitation is 90%.
Thursday
Showers. High near 56. Chance of precipitation is 80%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Friday
Showers likely, mainly after 2pm. Partly sunny, with a high near 61. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 46. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mifflinburg PA
 40.91°N 77.05°W (Elev. 699 ft)
2:26 pm EDT May 18, 2025
4pm EDT May 18, 2025-6pm EDT May 25, 2025
 
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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