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

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Mostly Cloudy

22°F

-6°C

Humidity 87%
Wind Speed S 14 mph
Barometer 30.01 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 3 Dec 12:15 am CST
Extended Forecast for

West Brooklyn IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 20. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow showers between 10am and 3pm. Cloudy, with a high near 31. South southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around -3. Wind chill values as low as -16. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: -3 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny and cold, with a high near 9. Wind chill values as low as -17. North northwest wind 5 to 10 mph becoming light and variable in the morning.

    High: 9 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -5. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: -5 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 20. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A chance of snow showers between 10am and 3pm. Cloudy, with a high near 31. South southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around -3. Wind chill values as low as -16. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny and cold, with a high near 9. Wind chill values as low as -17. North northwest wind 5 to 10 mph becoming light and variable in the morning.
Thursday Night
Partly cloudy, with a low around -5. South wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 23.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14.
Saturday
Mostly cloudy, with a high near 25.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 14.
Sunday
A chance of snow. Mostly cloudy, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Partly sunny, with a high near 23.
Monday Night
A chance of snow. Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Brooklyn IL
 41.69°N 89.15°W
Last Update:
12:16 am CST Dec 3, 2025
Forecast Valid:
12am CST Dec 3, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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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