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

Intensifying Storm Moving Across the Plains; Heavy Rain in Florida; River Flooding in the Southwest

An intensifying storm system will move into the Plains today, bringing strong winds, locally heavy rain, and scattered severe thunderstorms with a risk of damaging wind gusts and a few tornadoes. Heavy rainfall and isolated flash flooding will continue across eastern and southern Florida. Moderate to major river flooding will continue today across the Southwest and Four Corners Region. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

60°F

16°C

Humidity 64%
Wind Speed Calm
Barometer 30.39 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 2 Nov 11:55 am EST
Extended Forecast for

Downingtown PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 65. South wind around 5 mph.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly clear, with a low around 41. South wind around 5 mph becoming calm.

    Low: 41 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 69. Calm wind becoming south around 5 mph in the morning.

    High: 69 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 47. South wind around 5 mph.

    Low: 47 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 72. South wind 5 to 10 mph.

    High: 72 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Rain Likely

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.

    High: 70 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 65. South wind around 5 mph.
Tonight
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 41. South wind around 5 mph becoming calm.
Tuesday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 69. Calm wind becoming south around 5 mph in the morning.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 47. South wind around 5 mph.
Wednesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 72. South wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Rain likely. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Friday
A chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Downingtown PA
 40.02°N 75.7°W (Elev. 338 ft)
Last Update:
4:07 am EST Nov 2, 2026
Forecast Valid:
12pm EST Nov 2, 2026-6pm EST Nov 8, 2026
 
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