Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

22°F

-6°C

Humidity 73%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 2 Jan 12:55 am CST
Extended Forecast for

Mendota IL

  • Overnight

    Overnight: Partly cloudy, with a low around 17. Northwest wind around 5 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 26. North northwest wind around 5 mph.

    High: 26 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Cloudy, with a low around 19. North wind around 5 mph.

    Low: 19 °F

    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 29. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 29 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 16. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 16 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 17. Northwest wind around 5 mph.
Friday
Mostly sunny, with a high near 26. North northwest wind around 5 mph.
Friday Night
Cloudy, with a low around 19. North wind around 5 mph.
Saturday
Partly sunny, with a high near 29. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 16. West northwest wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
12:16 am CST Jan 2, 2026
1am CST Jan 2, 2026-6pm CST Jan 8, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database