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.

Fair

18°F

-8°C

Humidity 62%
Wind Speed NW 13 G 18 mph
Barometer 30.07 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 15 Jan 12:02 am CST
Extended Forecast for

Mendota IL

  • Overnight

    Overnight: Partly cloudy, with a low around 13. Wind chill values as low as 1. North wind around 15 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 26. Wind chill values as low as 1. North northwest wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 26 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Snow. Temperature rising to around 28 by 4am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 24 °F⇑

    Snow

  • Friday

    Friday: A 40 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 36. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 36 °F

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 11. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 15.

    High: 15 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 16.

    High: 16 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 13. Wind chill values as low as 1. North wind around 15 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 26. Wind chill values as low as 1. North northwest wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Snow. Temperature rising to around 28 by 4am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday
A 40 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 36. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 11. West northwest wind around 15 mph, with gusts as high as 25 mph.
Saturday
Mostly cloudy, with a high near 15.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 16.
Sunday Night
Mostly cloudy, with a low around 6.
M.L.King Day
Partly sunny, with a high near 13. Blustery.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
Mostly cloudy, with a low around 10.
Wednesday
Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.13°W
Last Update:
12:11 am CST Jan 15, 2026
Forecast Valid:
12am CST Jan 15, 2026-6pm CST Jan 21, 2026
 
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Additional Resources

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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