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

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Mostly Cloudy

34°F

1°C

Humidity 70%
Wind Speed SE 5 mph
Barometer 30.19 in (1022.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 25 Dec 2:53 am EST
Extended Forecast for

Mount Gretna PA

Winter Storm Watch December 26, 07:00am until December 27, 07:00am
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Cloudy, with a low around 33. Light south wind.

    Low: 33 °F

    Cloudy

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 45. South wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. North wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Snow after noon, mixing with sleet after 3pm. High near 30. Northeast wind 6 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 90%. New snow and sleet accumulation of around an inch possible.

    High: 30 °F

    Mostly Cloudy
    then
    Snow/Sleet

  • Friday Night

    Friday Night: Sleet, possibly mixed with snow and freezing rain before 10pm, then freezing rain and sleet between 10pm and 4am, then a chance of freezing rain after 4am. Low around 27. Southeast wind 8 to 11 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.

    Low: 27 °F

    Wintry Mix

  • Saturday

    Saturday: A slight chance of freezing rain, mixing with snow after 10am, then gradually ending. Cloudy, with a high near 35. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Wintry Mix

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain. Cloudy, with a high near 39. Chance of precipitation is 50%.

    High: 39 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain. Low around 36. Chance of precipitation is 80%.

    Low: 36 °F

    Rain

Detailed Forecast

Overnight
Cloudy, with a low around 33. Light south wind.
Christmas Day
Partly sunny, with a high near 45. South wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 23. North wind 6 to 13 mph, with gusts as high as 20 mph.
Friday
Snow after noon, mixing with sleet after 3pm. High near 30. Northeast wind 6 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 90%. New snow and sleet accumulation of around an inch possible.
Friday Night
Sleet, possibly mixed with snow and freezing rain before 10pm, then freezing rain and sleet between 10pm and 4am, then a chance of freezing rain after 4am. Low around 27. Southeast wind 8 to 11 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.
Saturday
A slight chance of freezing rain, mixing with snow after 10am, then gradually ending. Cloudy, with a high near 35. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of rain. Cloudy, with a high near 39. Chance of precipitation is 50%.
Sunday Night
Rain. Low around 36. Chance of precipitation is 80%.
Monday
Rain likely before 1pm. Mostly cloudy, with a high near 45. Breezy. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 23. Breezy.
Tuesday
Partly sunny, with a high near 30. Breezy.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 34.
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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:
2:46 am EST Dec 25, 2025
Forecast Valid:
3am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation