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Widespread Showers and Thunderstorms in Southern California and the Southern Plains into the Mississippi Valley

Isolated strong to severe thunderstorms and widespread heavy rainfall are possible across the southern Plains into Arkansas. Widespread showers with a slight chance of thunderstorms are possible across southern California. Urban flooding, rock and mudslides as well as minor debris flows near burn scars are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Overcast

47°F

8°C

Humidity 90%
Wind Speed NW 6 mph
Barometer 30.05 in (1017.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Nov 1:52 am CST
Extended Forecast for

Arlington Heights IL

  • Overnight

    Overnight: A slight chance of drizzle before 3am. Patchy fog. Otherwise, cloudy, with a steady temperature around 45. West northwest wind around 5 mph.

    Low: 45 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Friday

    Friday: Cloudy, with a high near 48. North northwest wind around 5 mph.

    High: 48 °F

    Cloudy

  • Friday Night

    Friday Night: Cloudy during the early evening, then gradual clearing, with a low around 31. North northeast wind around 5 mph becoming calm after midnight.

    Low: 31 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: A chance of rain after noon. Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain. Cloudy, with a low around 46.

    Low: 46 °F

    Rain

Detailed Forecast

Overnight
A slight chance of drizzle before 3am. Patchy fog. Otherwise, cloudy, with a steady temperature around 45. West northwest wind around 5 mph.
Friday
Cloudy, with a high near 48. North northwest wind around 5 mph.
Friday Night
Cloudy during the early evening, then gradual clearing, with a low around 31. North northeast wind around 5 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 50. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 36. West wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 38.
Monday
A chance of rain after noon. Mostly cloudy, with a high near 55.
Monday Night
Rain. Cloudy, with a low around 46.
Tuesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 56.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 25.
Thanksgiving Day
Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
2:46 am CST Nov 21, 2025
Forecast Valid:
2am CST Nov 21, 2025-6pm CST Nov 27, 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