Extreme Heat and Fire Weather Conditions in the West; Heavy Rain in the Southeast; Poor Air Quality

Extreme heat will begin to peak across the Desert Southwest. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Poor air quality persists from the Upper Midwest into the Northeast due to wildfire smoke. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

66°F

19°C

Humidity 91%
Wind Speed E 5 mph
Barometer 30.24 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 6 Aug 12:35 am CDT
Extended Forecast for

Tonica IL

  • Overnight

    Overnight: Mostly clear, with a low around 62. East wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Areas of smoke between 9am and 10am. Mostly sunny, with a high near 85. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 85 °F

    Areas Smoke
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. South southeast wind around 5 mph becoming calm.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. South southeast wind around 5 mph, with gusts as high as 15 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. South southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 62. East wind around 5 mph.
Wednesday
Areas of smoke between 9am and 10am. Mostly sunny, with a high near 85. Calm wind becoming south southeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. South southeast wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 87. South southeast wind around 5 mph, with gusts as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 70. South southeast wind around 5 mph, with gusts as high as 10 mph.
Friday
Mostly sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Tonica IL
 41.21°N 89.06°W
4:12 pm CDT Aug 5, 2025
12am CDT Aug 6, 2025-6pm CDT Aug 12, 2025
 
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Additional Resources

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Hourly Weather Forecast

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