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

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair

31°F

-1°C

Humidity 92%
Wind Speed NE 3 mph
Barometer 30.55 in (1034.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 9 Apr 3:53 am EDT
Extended Forecast for

Mount Gretna 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: 30 °F

    Frost

  • Thursday

    Thursday: Widespread frost before 9am. Otherwise, mostly sunny, with a high near 57. Light south wind increasing to 5 to 10 mph in the morning.

    High: 57 °F

    Frost then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. South wind 5 to 7 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68. Light south wind increasing to 5 to 10 mph in the morning.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. South wind around 9 mph becoming west after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread frost before 5am. Otherwise, partly cloudy, with a low around 30. Southeast wind around 5 mph.
Thursday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 57. Light south wind increasing to 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 37. South wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 68. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly cloudy, with a low around 48. South wind around 9 mph becoming west after midnight.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Mostly sunny, with a high near 64.
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 60.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Gretna PA
 40.26°N 76.47°W (Elev. 699 ft)
Last Update:
2:41 am EDT Apr 9, 2026
Forecast Valid:
4am 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