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

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

11°F

-12°C

Humidity 57%
Wind Speed NW 5 mph
Barometer 30.33 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 4 Dec 3:35 pm CST
Extended Forecast for

West Brooklyn IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 12. Wind chill values as low as -3. Calm wind becoming south southwest around 5 mph.

    High: 12 °F

    Sunny

  • Tonight

    Tonight: Patchy freezing fog after 9pm. Increasing clouds, with a temperature falling to near -1 by 10pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -15. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: -1 °F⇑

    Patchy
    Freezing Fog

  • Friday

    Friday: Patchy freezing fog before 7am. Mostly sunny, with a high near 28. Wind chill values as low as -7. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 28 °F

    Patchy
    Freezing Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy snow and freezing rain before midnight. Mostly cloudy, with a low around 23. South southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Patchy Wintry
    Mix then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 26. West northwest wind 5 to 10 mph becoming light and variable in the afternoon.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight. Cloudy, with a low around 17. Chance of precipitation is 60%.

    Low: 17 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Partly sunny, with a high near 21.

    High: 21 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -1.

    Low: -1 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 12. Wind chill values as low as -3. Calm wind becoming south southwest around 5 mph.
Tonight
Patchy freezing fog after 9pm. Increasing clouds, with a temperature falling to near -1 by 10pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -15. South wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Patchy freezing fog before 7am. Mostly sunny, with a high near 28. Wind chill values as low as -7. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Patchy snow and freezing rain before midnight. Mostly cloudy, with a low around 23. South southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 26. West northwest wind 5 to 10 mph becoming light and variable in the afternoon.
Saturday Night
Snow likely, mainly after midnight. Cloudy, with a low around 17. Chance of precipitation is 60%.
Sunday
A 30 percent chance of snow before noon. Partly sunny, with a high near 21.
Sunday Night
Mostly cloudy, with a low around -1.
Monday
Partly sunny, with a high near 20.
Monday Night
A chance of snow. Mostly cloudy, with a low around 13.
Tuesday
Mostly cloudy, with a high near 30.
Tuesday Night
Snow likely. Cloudy, with a low around 21.
Wednesday
A chance of snow. Mostly cloudy, with a high near 32.
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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:
3:11 pm CST Dec 4, 2025
Forecast Valid:
3pm CST Dec 4, 2025-6pm CST Dec 10, 2025
 
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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