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

Heavy Rain Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

Heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding to the Desert Southwest into Sunday. The tropical wave (AL94) continues to bring heavy rainfall to Puerto Rico and the US Virgin Islands. The close proximity of Tropical Storm Humberto and AL94 could lead to interaction between them, but details of their track and intensity forecasts remain uncertain Read More >

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Partly Cloudy

77°F

25°C

Humidity 77%
Wind Speed S 15 mph
Barometer 29.74 in (1006.6 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Heat Index79°F (26°C)
Last update 25 Sep 4:53 pm EDT
Extended Forecast for

Denver PA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 76. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 63. Southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 80. Northwest wind 3 to 6 mph.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 8pm. Cloudy, with a low around 63. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 63 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 76. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 63. Southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 80. Northwest wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 60. Calm wind.
Saturday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A chance of showers, mainly after 8pm. Cloudy, with a low around 63. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Partly sunny, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Denver PA
 40.24°N 76.15°W (Elev. 499 ft)
Last Update:
2:06 pm EDT Sep 25, 2025
Forecast Valid:
5pm EDT Sep 25, 2025-6pm EDT Oct 2, 2025
 
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