Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Fair
30°F
-1°C
| Humidity | 80% |
| Wind Speed | W 7 mph |
| Barometer | 30.12 in |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 23°F (-5°C) |
| Last update | 10 Feb 10:03 pm CST |
Extended Forecast for
Ottawa IL
Tonight
Low: 25 °F
Partly Cloudy
Wednesday
High: 44 °F
Sunny
Wednesday Night
Low: 27 °F
Increasing
CloudsThursday
High: 44 °F
Cloudy then
Slight Chance
SnowThursday Night
Low: 28 °F
Partly Cloudy
Friday
High: 49 °F
Mostly Sunny
Friday Night
Low: 30 °F
Mostly Clear
Saturday
High: 52 °F
Mostly Sunny
Saturday Night
Low: 34 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 25. Northwest wind around 10 mph.
Wednesday
Sunny, with a high near 44. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Increasing clouds, with a low around 27. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Thursday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 28. Southeast wind around 5 mph.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 30.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 32.
Washington's Birthday
Partly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 57.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ottawa IL
41.35°N 88.85°W
41.35°N 88.85°W
9:01 pm CST Feb 10, 2026
10pm CST Feb 10, 2026-6pm CST Feb 17, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
