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

Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

59°F

15°C

Humidity 60%
Wind Speed E 7 mph
Barometer 30.41 in (1029.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 8 Oct 5:52 pm CDT
Extended Forecast for

Buffalo Grove IL

  • Tonight

    Tonight: Mostly clear, with a low around 43. Northeast wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63. Light south wind becoming southeast 5 to 10 mph in the morning.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. East southeast wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 67. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 47. Southwest wind around 5 mph becoming northwest after midnight. Winds could gust as high as 15 mph.

    Low: 47 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 63. Light south wind becoming southeast 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 45. East southeast wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.
Friday
Mostly sunny, with a high near 67. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 47. Southwest wind around 5 mph becoming northwest after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 54.
Columbus Day
Mostly sunny, with a high near 72.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Buffalo Grove IL
 42.17°N 87.95°W
Last Update:
4:11 pm CDT Oct 8, 2025
Forecast Valid:
6pm CDT Oct 8, 2025-6pm CDT Oct 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation