Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

79°F

26°C

Humidity 89%
Wind Speed NW 3 mph
Barometer 29.96 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Sep 7:59 am CDT
Extended Forecast for

Ottawa IL

  • Today

    Today: Patchy fog before 9am.  Otherwise, sunny, with a high near 89. Heat index values as high as 96. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 89 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. East northeast wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. East wind around 5 mph, with gusts as high as 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 82. East southeast wind around 5 mph, with gusts as high as 15 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny, with a high near 89. Heat index values as high as 96. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 66. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 82. East northeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 61. East wind around 5 mph, with gusts as high as 10 mph.
Labor Day
Sunny, with a high near 82. East southeast wind around 5 mph, with gusts as high as 15 mph.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Partly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Ottawa IL
 41.35°N 88.85°W
6:55 am CDT Sep 5, 2026
8am CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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