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

64°F

18°C

Humidity 78%
Wind Speed W 13 G 18 mph
Barometer 29.55 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Jun 4:23 am CDT
Extended Forecast for

Tonica IL

  • Today

    Today: Mostly sunny, with a high near 73. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. West wind around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. West southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 74. Chance of precipitation is 80%.

    High: 74 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 56. Breezy.

    Low: 56 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 55. West wind around 5 mph.
Juneteenth
Sunny, with a high near 77. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 60. West southwest wind around 5 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 80. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 74. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 56. Breezy.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tonica IL
 41.21°N 89.06°W
Last Update:
3:36 am CDT Jun 18, 2026
Forecast Valid:
4am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
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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