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

Atmospheric River in the West; Strong Winds in the Northeast

A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. today into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. today into Thursday with gusty to high winds and areas of rain and high elevation snow showers. Read More >

Hazardous Weather Conditions

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fair

63°F

17°C

Humidity 39%
Wind Speed SW 8 G 16 mph
Barometer 29.75 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 5 Nov 3:15 pm EST
Extended Forecast for

4 Miles W West Chester PA

Wind Advisory November 5, 07:00pm until November 6, 07:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A slight chance of showers between 10pm and midnight. Mostly cloudy, then gradually becoming clear, with a low around 41. Southwest wind 10 to 15 mph becoming northwest in the evening. Winds could gust as high as 50 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 59. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 50. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Rain Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 1am. Partly cloudy, with a low around 43. Chance of precipitation is 30%.

    Low: 43 °F

    Partly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain before 1am. Partly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
A slight chance of showers between 10pm and midnight. Mostly cloudy, then gradually becoming clear, with a low around 41. Southwest wind 10 to 15 mph becoming northwest in the evening. Winds could gust as high as 50 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 54. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 32. Calm wind.
Friday
Mostly sunny, with a high near 59. South wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Rain likely. Mostly cloudy, with a low around 50. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
A chance of rain after 1am. Partly cloudy, with a low around 43. Chance of precipitation is 30%.
Sunday
Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Sunday Night
A chance of rain before 1am. Partly cloudy, with a low around 34. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 27.
Veterans Day
Mostly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W West Chester PA
 39.95°N 75.68°W (Elev. 299 ft)
Last Update:
12:52 pm EST Nov 5, 2025
Forecast Valid:
3pm EST Nov 5, 2025-6pm EST Nov 12, 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