Hazardous Weather Conditions
Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Fair
61°F
16°C
| Humidity | 83% |
| Wind Speed | SE 6 mph |
| Barometer | 29.88 in |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 7:58 am CDT |
Extended Forecast for
Mendota IL
Today
High: 82 °F
Mostly Sunny
then Chance
T-storms and
BreezyTonight
Low: 40 °F
Breezy. Heavy
Rain then
Chance
ShowersSaturday

High: 48 °F
Mostly Sunny
and BreezySaturday Night

Low: 33 °F
Mostly Clear
then Areas
FrostSunday

High: 52 °F
Areas Frost
then Mostly
SunnySunday Night

Low: 32 °F
Mostly Clear
then FrostMonday

High: 58 °F
Frost then
SunnyMonday Night

Low: 46 °F
Partly Cloudy
Tuesday

High: 73 °F
Mostly Sunny
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 82. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
Showers and thunderstorms before midnight, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 40. Breezy, with a south wind around 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Saturday
Mostly sunny, with a high near 48. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.
Saturday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 33. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 52. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mendota IL
41.54°N 89.13°W
41.54°N 89.13°W
6:56 am CDT Apr 17, 2026
8am CDT Apr 17, 2026-6pm CDT Apr 23, 2026



