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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Partly Cloudy

46°F

8°C

Humidity 46%
Wind Speed W 5 mph
Barometer 29.99 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 14 Nov 7:35 pm EST
Extended Forecast for

3 Miles W Coatesville PA

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 35. West wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A chance of showers, mainly after 5pm. Mostly cloudy, with a high near 57. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 30%.

    High: 57 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 49. Southwest wind 5 to 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 54 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Showers

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 35. West wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers, mainly after 5pm. Mostly cloudy, with a high near 57. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 30%.
Saturday Night
Showers likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 49. Southwest wind 5 to 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday Night
Mostly clear, with a low around 32. West wind around 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 51.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Coatesville PA
 39.99°N 75.88°W (Elev. 600 ft)
Last Update:
4:10 pm EST Nov 14, 2025
Forecast Valid:
7pm EST Nov 14, 2025-6pm EST Nov 21, 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