Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Light Rain

53°F

12°C

Humidity 89%
Wind Speed NW 17 G 32 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 19 Apr 6:53 am EDT
Extended Forecast for

Mount Gretna PA

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch
  • Today

    Today: Showers, mainly before noon.  High near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers and
    Breezy then
    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers after 3am.  Partly cloudy, with a low around 38. West wind 6 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 38 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 48. Northwest wind around 14 mph, with gusts as high as 25 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. North wind 5 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am.  Partly cloudy, with a low around 44. Chance of precipitation is 20%.

    Low: 44 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Showers, mainly before noon. High near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A slight chance of showers after 3am. Partly cloudy, with a low around 38. West wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 48. Northwest wind around 14 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 29. North wind 5 to 10 mph.
Tuesday
Sunny, with a high near 54. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Tuesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 44. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 52.
Saturday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Gretna PA
 40.26°N 76.47°W (Elev. 699 ft)
2:21 am EDT Apr 19, 2026
7am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database