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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

34°F

1°C

Humidity 67%
Wind Speed SW 3 mph
Barometer 30.52 in (1033.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 9 Apr 1:53 am EDT
Extended Forecast for

Millersburg PA

Freeze Warning until April 9, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until April 9, 09:00am

    NOW until 9:00am Thu

    Freeze Warning

  • Overnight

    Low: 31 °F

    Areas Frost

  • Thursday

    Thursday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 58. Light southeast wind becoming south 5 to 9 mph in the morning.

    High: 58 °F

    Frost then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. Southeast wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 71. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 47. South wind around 5 mph becoming light and variable. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Overnight
Areas of frost after 5am. Otherwise, mostly clear, with a low around 31. Southeast wind around 6 mph.
Thursday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 58. Light southeast wind becoming south 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 38. Southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 71. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 47. South wind around 5 mph becoming light and variable. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly cloudy, with a high near 76.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Mostly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Millersburg PA
 40.55°N 76.94°W (Elev. 525 ft)
Last Update:
2:36 am EDT Apr 9, 2026
Forecast Valid:
2am EDT Apr 9, 2026-6pm EDT Apr 15, 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