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

53°F

12°C

Humidity 34%
Wind Speed SE 7 mph
Barometer 30.33 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 20 Apr 12:35 pm CDT
Extended Forecast for

Naplate IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 59. South wind around 5 mph, with gusts as high as 10 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 77. Northwest wind around 5 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 72.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 59. South wind around 5 mph, with gusts as high as 10 mph.
Tonight
Partly cloudy, with a low around 46. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 77. Northwest wind around 5 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 80. Breezy.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 72.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Naplate IL
 41.33°N 88.88°W
Last Update:
12:41 pm CDT Apr 20, 2026
Forecast Valid:
12pm CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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