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.

Fair

63°F

17°C

Humidity 94%
Wind Speed W 6 mph
Barometer 29.98 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 Jun 3:43 am CDT
Extended Forecast for

Tiskilwa IL

  • Overnight

    Overnight: Partly cloudy, with a low around 60. West wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 60. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 60 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 10am. Some of the storms could produce heavy rainfall. High near 69. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 69 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. West wind around 5 mph.
Saturday
Sunny, with a high near 80. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 60. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 10am. Some of the storms could produce heavy rainfall. High near 69. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Partly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tiskilwa IL
 41.29°N 89.5°W (Elev. 535 ft)
Last Update:
2:21 am CDT Jun 20, 2026
Forecast Valid:
3am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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