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

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

N/A

Humidity NA
Wind Speed SE 6 mph
Barometer 30.21 in
Dewpoint N/A
Visibility 10.00 mi
Last update 1 Nov 10:10 pm CST
Extended Forecast for

Marseilles IL

  • Overnight

    Overnight: Patchy drizzle after 5am. Cloudy, with a low around 56. South southeast wind 5 to 10 mph.

    Low: 56 °F

    Patchy
    Drizzle

  • Monday

    Monday: Patchy drizzle before 2pm. Cloudy, with a high near 64. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Patchy
    Drizzle

  • Monday Night

    Monday Night: Cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 30 mph.

    Low: 61 °F

    Cloudy

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 3pm. High near 73. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%.

    High: 73 °F

    Breezy.
    Slight Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 58. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    Low: 58 °F

    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain before noon. Partly sunny, with a high near 66.

    High: 66 °F

    Chance Rain
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy drizzle after 5am. Cloudy, with a low around 56. South southeast wind 5 to 10 mph.
Monday
Patchy drizzle before 2pm. Cloudy, with a high near 64. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 30 mph.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 3pm. High near 73. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 58. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Wednesday
A 50 percent chance of rain before noon. Partly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Partly sunny, with a high near 63.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Mostly cloudy, with a high near 57.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marseilles IL
 41.33°N 88.68°W
Last Update:
12:21 am CST Nov 2, 2026
Forecast Valid:
1am CST Nov 2, 2026-6pm CST Nov 8, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation