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

42°F

6°C

Humidity 60%
Wind Speed SW 6 mph
Barometer 30.11 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 18 Apr 11:35 pm CDT
Extended Forecast for

Tiskilwa IL

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, clear, with a low around 35. West wind around 5 mph.

    Low: 35 °F

    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am. Otherwise, increasing clouds, with a high near 54. West wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 58. Calm wind becoming south around 5 mph in the morning.

    High: 58 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 35. West wind around 5 mph.
Sunday
Widespread frost, mainly before 7am. Otherwise, increasing clouds, with a high near 54. West wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 30. Northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 58. Calm wind becoming south around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Friday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tiskilwa IL
 41.29°N 89.53°W (Elev. 597 ft)
Last Update:
9:41 pm CDT Apr 18, 2026
Forecast Valid:
11pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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