Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

35°F

2°C

Humidity 60%
Wind Speed W 8 mph
Barometer 30.01 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 16 Nov 9:35 pm CST
Extended Forecast for

Mendota IL

  • Tonight

    Tonight: Mostly clear, with a low around 27. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: A chance of sprinkles between 3pm and 5pm, then a chance of sprinkles with a slight chance of showers after 5pm.  Increasing clouds, with a high near 49. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 49 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Rain.  Low around 37. East wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon.  Cloudy, with a high near 45. East wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after noon.  Mostly cloudy, with a high near 56.

    High: 56 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 27. West northwest wind around 5 mph becoming calm after midnight.
Monday
A chance of sprinkles between 3pm and 5pm, then a chance of sprinkles with a slight chance of showers after 5pm. Increasing clouds, with a high near 49. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Rain. Low around 37. East wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely, mainly before noon. Cloudy, with a high near 45. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 38. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 38.
Thursday
Showers likely, mainly after noon. Mostly cloudy, with a high near 56.
Thursday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 46.
Friday
A chance of rain. Mostly cloudy, with a high near 56.
Friday Night
A chance of rain. Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 51.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.13°W
9:36 pm CST Nov 16, 2025
9pm CST Nov 16, 2025-6pm CST Nov 23, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database