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 N 8 mph
Barometer 30.62 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 28 Mar 3:35 am CDT
Extended Forecast for

Naplate IL

  • Overnight

    Overnight: Clear, with a low around 27. North wind around 5 mph, with gusts as high as 10 mph.

    Low: 27 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63. South southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Breezy.

    Low: 62 °F

    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Breezy.

    High: 78 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 27. North wind around 5 mph, with gusts as high as 10 mph.
Saturday
Sunny, with a high near 51. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 38. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 63. South southwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 49. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 78.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Breezy.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Breezy.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
A chance of showers. Partly sunny, with a high near 50.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 38.
Friday
A chance of showers. Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Naplate IL
 41.33°N 88.85°W
Last Update:
3:31 am CDT Mar 28, 2026
Forecast Valid:
3am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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