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Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Mostly Cloudy

33°F

1°C

Humidity 48%
Wind Speed NW 7 mph
Barometer 30.39 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 28 Nov 1:35 pm CST
Extended Forecast for

Mendota IL

Winter Storm Warning November 29, 03:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 31. West northwest wind 5 to 10 mph becoming light west.

    High: 31 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow, mainly after 3am. Low around 24. Light and variable wind becoming east southeast 5 to 10 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Slight Chance
    Snow then
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Patchy blowing snow after noon. High near 30. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 30 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Snow. Patchy blowing snow before 9pm, then patchy blowing snow after 3am. Low around 24. Blustery, with a south wind 10 to 15 mph becoming west northwest 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: A chance of snow before noon, then a slight chance of snow showers after noon. Patchy blowing snow before 3pm. Mostly cloudy, with a high near 27. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 27 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 19.

    High: 19 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: A chance of snow before midnight. Mostly cloudy, with a low around 9.

    Low: 9 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 31. West northwest wind 5 to 10 mph becoming light west.
Tonight
Snow, mainly after 3am. Low around 24. Light and variable wind becoming east southeast 5 to 10 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow. The snow could be heavy at times. Patchy blowing snow after noon. High near 30. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Saturday Night
Snow. Patchy blowing snow before 9pm, then patchy blowing snow after 3am. Low around 24. Blustery, with a south wind 10 to 15 mph becoming west northwest 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday
A chance of snow before noon, then a slight chance of snow showers after noon. Patchy blowing snow before 3pm. Mostly cloudy, with a high near 27. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 5.
Monday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 19.
Monday Night
A chance of snow before midnight. Mostly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 21.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Mostly cloudy, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 6.
Thursday
Mostly sunny, with a high near 18.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
1:36 pm CST Nov 28, 2025
Forecast Valid:
1pm CST Nov 28, 2025-6pm CST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation