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

Arnold Palmer Regional Airport (KLBE)

Lat: 40.28°NLon: 79.4°WElev: 1199ft.

Partly Cloudy

45°F

7°C

Humidity 100%
Wind Speed Calm
Barometer 30.34 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 10 Oct 6:47 am EDT
Extended Forecast for

Derry PA

  • Today

    Today: Partly sunny, with a high near 69. Southeast wind 5 to 14 mph.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: Showers, mainly after 2am. Low around 55. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Chance
    Showers then
    Showers and
    Breezy

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 65. Breezy, with a southeast wind 20 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 59. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Columbus Day

    Columbus Day: A chance of showers before 8am. Mostly cloudy, with a high near 70. Northwest wind 7 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 40%.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 69. Southeast wind 5 to 14 mph.
Tonight
Showers, mainly after 2am. Low around 55. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 65. Breezy, with a southeast wind 20 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 59. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Columbus Day
A chance of showers before 8am. Mostly cloudy, with a high near 70. Northwest wind 7 to 10 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 60.
Tuesday
A chance of showers after 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 40%.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Partly sunny, with a high near 66.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Derry PA
 40.33°N 79.3°W (Elev. 1198 ft)
Last Update:
2:21 am EDT Oct 10, 2026
Forecast Valid:
6am 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