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

75°F

24°C

Humidity 47%
Wind Speed W 9 mph
Barometer 29.98 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 Jun 3:03 pm CDT
Extended Forecast for

Tiskilwa IL

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 77. West wind around 10 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. West wind around 5 mph. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 79. Northwest wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 4pm. Some of the storms could produce heavy rainfall. High near 73. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 73 °F

    Heavy Rain

  • Sunday Night

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

    Low: 57 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 75.

    High: 75 °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 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 77. West wind around 10 mph.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. West wind around 5 mph. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 79. Northwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Showers, with thunderstorms also possible after 4pm. Some of the storms could produce heavy rainfall. High near 73. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Breezy. 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 75.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 58.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tiskilwa IL
 41.29°N 89.53°W (Elev. 597 ft)
Last Update:
2:56 pm CDT Jun 19, 2026
Forecast Valid:
3pm CDT Jun 19, 2026-6pm CDT Jun 25, 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