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

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 >

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair

67°F

19°C

Humidity 49%
Wind Speed E 10 mph
Barometer 30.45 in (1031.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 10 Oct 11:53 am EDT
Extended Forecast for

Columbia PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 71. Southeast wind 6 to 8 mph.

    High: 71 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of rain, mainly after 3am. Cloudy, with a low around 58. East wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain. High near 65. East wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 65 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms between 1am and 2am, then a chance of rain after 2am. Cloudy, with a low around 61. East wind 7 to 14 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Rain Likely

  • Columbus Day

    Columbus Day: A chance of rain, mainly before 10am. Partly sunny, with a high near 72. North wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Chance Rain
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 71. Southeast wind 6 to 8 mph.
Tonight
A chance of rain, mainly after 3am. Cloudy, with a low around 58. East wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 65. East wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Rain likely and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms between 1am and 2am, then a chance of rain after 2am. Cloudy, with a low around 61. East wind 7 to 14 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Columbus Day
A chance of rain, mainly before 10am. Partly sunny, with a high near 72. North wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Columbia PA
 40.04°N 76.51°W (Elev. 299 ft)
Last Update:
12:09 pm EDT Oct 10, 2026
Forecast Valid:
12pm EDT Oct 10, 2026-6pm EDT Oct 16, 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