Heavy Rain and Thunderstorms in the Plains; Tropical Moisture Brings Heavy Rain to Southern California and Southwest

Heavy rain showers and thunderstorms, some severe, will persist across the Plains and Mississippi Valley through Friday. Increasing tropical moisture from the remnants of Mario will bring showers, thunderstorms, and a flash flooding threat across much of southern California into the Desert Southwest through Friday. Read More >

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Overcast

64°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 30.02 in (1016.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 18 Sep 12:53 am EDT
Extended Forecast for

Marietta PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59. Calm wind.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87. Northwest wind 3 to 7 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Northeast wind around 6 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 76.

    High: 76 °F

    Mostly Cloudy

  • Sunday Night

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

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. Calm wind.
Thursday
Sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 59. Calm wind.
Friday
Sunny, with a high near 87. Northwest wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 57. Northeast wind around 6 mph.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly cloudy, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
Mostly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta PA
 40.07°N 76.56°W (Elev. 299 ft)
11:20 pm EDT Sep 17, 2025
1am EDT Sep 18, 2025-6pm EDT Sep 24, 2025
 
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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