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.

Overcast

21°F

-6°C

Humidity 80%
Wind Speed SE 12 mph
Barometer 30.07 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 8 Dec 11:35 pm CST
Extended Forecast for

West Brooklyn IL

  • Tonight

    Tonight: Scattered flurries with isolated snow showers before 2am, then scattered flurries between 2am and 3am. Mostly cloudy, with a temperature rising to around 24 by 5am. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 17 °F⇑

    Isolated Snow
    Showers

  • Tuesday

    Tuesday: A slight chance of freezing rain between 4pm and 5pm, then a chance of rain or freezing rain. Mostly cloudy, with a high near 34. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Rain/Freezing
    Rain

  • Tuesday Night

    Tuesday Night: Rain or freezing rain, becoming all rain after 8pm. Low around 30. Breezy, with a south wind 15 to 20 mph becoming west 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.

    Low: 30 °F

    Breezy.
    Rain/Freezing
    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Snow likely, mainly before noon. Mostly cloudy, with a high near 31. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Likely
    and Breezy
    then Slight
    Chance Snow
    and Blustery

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 13 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 21.

    High: 21 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 9.

    Low: 9 °F

    Chance Snow

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 19.

    High: 19 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -2.

    Low: -2 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered flurries with isolated snow showers before 2am, then scattered flurries between 2am and 3am. Mostly cloudy, with a temperature rising to around 24 by 5am. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of freezing rain between 4pm and 5pm, then a chance of rain or freezing rain. Mostly cloudy, with a high near 34. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tuesday Night
Rain or freezing rain, becoming all rain after 8pm. Low around 30. Breezy, with a south wind 15 to 20 mph becoming west 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.
Wednesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 31. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 21.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 9.
Friday
A chance of snow. Mostly cloudy, with a high near 19.
Friday Night
Mostly cloudy, with a low around -2.
Saturday
Mostly cloudy and cold, with a high near 6.
Saturday Night
Mostly cloudy, with a low around -3.
Sunday
Mostly sunny, with a high near 12.
Sunday Night
Mostly cloudy, with a low around 2.
Monday
Mostly cloudy, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
West Brooklyn IL
 41.69°N 89.15°W
Last Update:
9:46 pm CST Dec 8, 2025
Forecast Valid:
11pm CST Dec 8, 2025-6pm CST Dec 15, 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