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.

Overcast

75°F

24°C

Humidity 83%
Wind Speed SW 5 mph
Barometer 29.93 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 18 Aug 8:38 pm CDT
Extended Forecast for

2 Miles W Naplate IL

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. West wind around 5 mph, with gusts as high as 10 mph.

    Low: 67 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. West northwest wind around 5 mph becoming east northeast in the afternoon.

    High: 80 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming east around 5 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. West wind around 5 mph, with gusts as high as 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. West northwest wind around 5 mph becoming east northeast in the afternoon.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 60. Calm wind.
Thursday
Sunny, with a high near 80. Calm wind becoming east around 5 mph.
Thursday Night
Mostly clear, with a low around 61. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Naplate IL
 41.33°N 88.91°W
Last Update:
7:01 pm CDT Aug 18, 2026
Forecast Valid:
8pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Chance of Precipitation