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.

Fair

28°F

-2°C

Humidity 74%
Wind Speed SW 12 mph
Barometer 30.28 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 12 Jan 12:19 am CST
Extended Forecast for

Naplate IL

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 27. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Partly sunny, with a high near 50. West wind around 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 31. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 50%.

    High: 37 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. Blustery.

    Low: 15 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 27. Southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 43. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 33. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 50. West wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 31. West northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 15. Blustery.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23.
Friday
A chance of snow after noon. Mostly cloudy, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 24.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Naplate IL
 41.33°N 88.88°W
Last Update:
12:26 am CST Jan 12, 2026
Forecast Valid:
12am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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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