Hazardous Weather Conditions
Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Ottawa IL
This Afternoon

High: 66 °F
Showers
Tonight
Low: 47 °F
Chance
Showers then
Cloudy and
BreezyFriday
High: 54 °F
Breezy.
Partly Sunny
then Chance
ShowersFriday Night

Low: 34 °F
Decreasing
Clouds then
Areas FrostSaturday

High: 58 °F
Frost then
SunnySaturday Night

Low: 38 °F
Clear
Sunday

High: 66 °F
Sunny
Sunday Night

Low: 42 °F
Mostly Clear
Monday

High: 70 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. High near 66. Southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 50 percent chance of showers, mainly before 11pm. Cloudy, with a low around 47. Breezy, with a west northwest wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Friday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 54. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Areas of frost after 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 34. North wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58. North northwest wind around 5 mph becoming calm.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 42.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 74.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Ottawa IL
41.35°N 88.85°W
41.35°N 88.85°W
1:01 pm CDT Oct 15, 2026
1pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026



