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

70°F

21°C

Humidity 83%
Wind Speed SE 8 mph
Barometer 29.89 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 11 Sep 11:20 pm CDT
Extended Forecast for

Naplate IL

  • Tonight

    Tonight: Partly cloudy, with a low around 65. South southeast wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. North wind around 5 mph, with gusts as high as 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 77. North wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 56. North northeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. South southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 61. North wind around 5 mph, with gusts as high as 10 mph.
Sunday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 77. North wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 56. North northeast wind around 5 mph, with gusts as high as 15 mph.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 76.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86.
Tuesday Night
Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 65.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 77.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 64.
Thursday
A chance of showers. Partly sunny, with a high near 78.
Thursday Night
A chance of showers. Partly cloudy, with a low around 59.
Friday
A chance of showers. Mostly sunny, with a high near 74.
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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:
8:51 pm CDT Sep 11, 2026
Forecast Valid:
11pm CDT Sep 11, 2026-6pm CDT Sep 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