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Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Light Rain

57°F

14°C

Humidity 90%
Wind Speed E 10 mph
Barometer 30.29 in (1025.5 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 11 Oct 6:53 am EDT
Extended Forecast for

Mount Gretna PA

  • Today

    Today: Rain, with thunderstorms also possible after 5pm. Patchy fog. High near 63. East wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 63 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm before 11pm, then a chance of rain and thunderstorms after 11pm. Patchy fog. Otherwise, cloudy, with a low around 59. Northeast wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Rain Likely
    and Patchy
    Fog

  • Columbus Day

    Columbus Day: Patchy fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 72. North wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Light southwest wind becoming south 6 to 11 mph in the morning.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, with thunderstorms also possible after 5pm. Patchy fog. High near 63. East wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tonight
Rain likely and possibly a thunderstorm before 11pm, then a chance of rain and thunderstorms after 11pm. Patchy fog. Otherwise, cloudy, with a low around 59. Northeast wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Columbus Day
Patchy fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 72. North wind 9 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 77. Light southwest wind becoming south 6 to 11 mph in the morning.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Friday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49. Breezy. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 58. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Gretna PA
 40.26°N 76.47°W (Elev. 699 ft)
Last Update:
6:09 am EDT Oct 11, 2026
Forecast Valid:
7am EDT Oct 11, 2026-6pm EDT Oct 17, 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