Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

75°F

24°C

Humidity 73%
Wind Speed S 15 mph
Barometer 29.85 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 17 Apr 11:00 am CDT
Extended Forecast for

Tonica IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 84. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 84 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers likely. Some of the storms could produce heavy rainfall.  Low around 42. Breezy, with a south wind 15 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 42 °F

    Breezy. Heavy
    Rain then
    Showers
    Likely

  • Saturday

    Saturday: A 10 percent chance of showers before 7am.  Cloudy through mid morning, then gradual clearing, with a high near 49. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 49 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 3am.  Otherwise, mostly clear, with a low around 34. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 8am.  Otherwise, mostly sunny, with a high near 54. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 54 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 3am.  Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Widespread frost, mainly before 7am.  Otherwise, sunny, with a high near 60.

    High: 60 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Breezy.

    High: 75 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 84. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Tonight
Showers and thunderstorms before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 42. Breezy, with a south wind 15 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 10 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 49. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.
Saturday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 54. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34.
Monday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 75. Breezy.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Tonica IL
 41.21°N 89.06°W
11:01 am CDT Apr 17, 2026
11am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
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