National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Mendota IL

  • This Afternoon

    This Afternoon: A 50 percent chance of snow showers, mainly before 4pm. Patchy blowing snow. Cloudy, with a high near 25. Blustery, with a west northwest wind around 25 mph, with gusts as high as 40 mph.

    High: 25 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: A 20 percent chance of snow showers before 2am. Patchy blowing snow before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values as low as -7. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 5 °F

    Slight Chance
    Snow Showers
    and Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Increasing clouds, with a high near 23. Wind chill values as low as -9. West northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 23 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow. Low around 20. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. South wind 5 to 15 mph becoming west southwest in the afternoon.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of snow showers, mainly before 4pm. Patchy blowing snow. Cloudy, with a high near 25. Blustery, with a west northwest wind around 25 mph, with gusts as high as 40 mph.
Tonight
A 20 percent chance of snow showers before 2am. Patchy blowing snow before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values as low as -7. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Increasing clouds, with a high near 23. Wind chill values as low as -9. West northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Snow. Low around 20. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Partly sunny, with a high near 41. South wind 5 to 15 mph becoming west southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
12:27 pm CDT Mar 16, 2026
Forecast Valid:
1pm CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
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Additional Resources

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Chance of Precipitation