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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 Index | 83°F (28°C) |
| Last update | 5 Sep 7:59 am CDT |
Extended Forecast for
Ottawa IL
Today
High: 89 °F
Patchy Fog
then Mostly
SunnyTonight

Low: 66 °F
Mostly Clear
Sunday

High: 82 °F
Sunny
Sunday Night

Low: 61 °F
Partly Cloudy
Labor Day

High: 82 °F
Sunny
Monday Night

Low: 63 °F
Partly Cloudy
Tuesday

High: 90 °F
Mostly Sunny
Tuesday Night

Low: 74 °F
Partly Cloudy
Wednesday

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ottawa IL
41.35°N 88.85°W
41.35°N 88.85°W
6:55 am CDT Sep 5, 2026
8am CDT Sep 5, 2026-6pm CDT Sep 11, 2026



