
Areas of Showers and Thunderstorms to Start the Work Week
Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >
Hazardous Weather Conditions
Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Overcast
63°F
17°C
| Humidity | 88% |
| Wind Speed | E 12 G 18 mph |
| Barometer | 30.07 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 7.00 mi |
| Last update | 21 Sep 2:20 am CDT |
Extended Forecast for
4 Miles SSW Mendota IL
Overnight

Low: 58 °F
Patchy
DrizzleMonday

High: 65 °F
Patchy
DrizzleMonday Night

Low: 54 °F
Slight Chance
ShowersTuesday
High: 64 °F
Slight Chance
Showers then
Mostly SunnyTuesday Night

Low: 50 °F
Partly Cloudy
Wednesday

High: 68 °F
Mostly Sunny
Wednesday Night

Low: 50 °F
Partly Cloudy
Thursday

High: 68 °F
Mostly Sunny
Thursday Night

Low: 52 °F
Partly Cloudy
Detailed Forecast
Overnight
Patchy drizzle. Cloudy, with a low around 58. East northeast wind around 15 mph, with gusts as high as 25 mph.
Monday
Patchy drizzle before 8am, then a slight chance of showers after 8am. Cloudy, with a high near 65. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 54. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers before 10am. Partly sunny, with a high near 64. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 50. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 72.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Mendota IL
41.5°N 89.13°W
41.5°N 89.13°W
1:21 am CDT Sep 21, 2026
2am CDT Sep 21, 2026-6pm CDT Sep 27, 2026



