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

    Overnight: Patchy drizzle.  Cloudy, with a low around 58. East northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Patchy
    Drizzle

  • Monday

    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%.

    High: 65 °F

    Patchy
    Drizzle

  • Monday Night

    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.

    Low: 54 °F

    Slight Chance
    Showers

  • Tuesday

    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.

    High: 64 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    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.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Mendota IL
 41.5°N 89.13°W
1:21 am CDT Sep 21, 2026
2am CDT Sep 21, 2026-6pm CDT Sep 27, 2026
 
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Additional Resources

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