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

64°F

18°C

Humidity 30%
Wind Speed SW 9 G 17 mph
Barometer 29.86 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 5 Nov 12:35 pm EST
Extended Forecast for

Chester Springs PA

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

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 64. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 50 mph.

    Low: 41 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 54. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. Northwest wind around 5 mph becoming calm.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 59. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 59 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Rain. Low around 50. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Saturday Night

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

    Low: 43 °F

    Partly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 64. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 41. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 50 mph.
Thursday
Sunny, with a high near 54. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 32. Northwest wind around 5 mph becoming calm.
Friday
Mostly cloudy, with a high near 59. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Rain. Low around 50. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A chance of rain after 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chester Springs PA
 40.1°N 75.65°W (Elev. 410 ft)
Last Update:
4:09 am EST Nov 5, 2025
Forecast Valid:
12pm EST Nov 5, 2025-6pm EST Nov 11, 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