Hazardous Weather Conditions
Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Mostly Cloudy
27°F
-3°C
| Humidity | 46% |
| Wind Speed | S 6 mph |
| Barometer | 30.20 in |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 20 Jan 5:20 pm CST |
Extended Forecast for
Mendota IL
Tonight
Low: 20 °F⇑
Chance Snow
then SnowWednesday

High: 29 °F
Chance Snow
Wednesday Night
Low: 13 °F
Snow Showers
Likely and
BreezyThursday

High: 22 °F
Mostly Sunny
Thursday Night

Low: -8 °F
Mostly Cloudy
Friday

High: -2 °F
Cold
Friday Night

Low: -8 °F
Mostly Cloudy
Saturday

High: 7 °F
Cold
Saturday Night

Low: 0 °F
Mostly Cloudy
Detailed Forecast
Tonight
A chance of flurries with a slight chance of snow before 9pm, then snow, mainly after 1am. Temperature rising to around 23 by 3am. South southeast wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
A chance of snow or flurries before 4pm, then scattered flurries between 4pm and 5pm, then scattered snow showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 29. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Snow showers likely, mainly before 8pm. Mostly cloudy, with a low around 13. Wind chill values as low as -2. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 22. Wind chill values as low as -2. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around -8. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny and cold, with a high near -2.
Friday Night
Mostly cloudy, with a low around -8.
Saturday
Mostly cloudy and cold, with a high near 7.
Saturday Night
Mostly cloudy, with a low around 0.
Sunday
Partly sunny, with a high near 13.
Sunday Night
Partly cloudy, with a low around 0.
Monday
Mostly sunny, with a high near 16.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 26.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Mendota IL
41.54°N 89.13°W
41.54°N 89.13°W
3:11 pm CST Jan 20, 2026
6pm CST Jan 20, 2026-6pm CST Jan 27, 2026



