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

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fog/Mist

47°F

8°C

Humidity 87%
Wind Speed S 8 mph
Barometer 29.98 in
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Wind Chill43°F (6°C)
Last update 24 Nov 3:15 pm CST
Extended Forecast for

Eureka IL

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Cloudy, with a high near 51. South southeast wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 51 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain, mainly after 11pm. Patchy fog after 11pm. Low around 46. South wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Areas of drizzle before noon, then a chance of rain after 3pm. Areas of fog before 11am. Otherwise, cloudy, with a high near 54. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    High: 54 °F

    Chance Rain
    and Areas Fog

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain before midnight. Cloudy during the early evening, then becoming partly cloudy, with a low around 32. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 36 mph.

    Low: 32 °F

    Chance Rain
    then Mostly
    Cloudy and
    Breezy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 39. Breezy, with a west northwest wind 20 to 26 mph, with gusts as high as 41 mph.

    High: 39 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 22. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 31 mph.

    Low: 22 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 34. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 29 mph.

    High: 34 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Cloudy, with a high near 51. South southeast wind 8 to 10 mph, with gusts as high as 16 mph.
Tonight
Rain, mainly after 11pm. Patchy fog after 11pm. Low around 46. South wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Areas of drizzle before noon, then a chance of rain after 3pm. Areas of fog before 11am. Otherwise, cloudy, with a high near 54. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Tuesday Night
A 40 percent chance of rain before midnight. Cloudy during the early evening, then becoming partly cloudy, with a low around 32. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 36 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 39. Breezy, with a west northwest wind 20 to 26 mph, with gusts as high as 41 mph.
Wednesday Night
Mostly clear, with a low around 22. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 31 mph.
Thanksgiving Day
Sunny, with a high near 34. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 16.
Friday
Mostly sunny, with a high near 34.
Friday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Saturday
Snow likely. Cloudy, with a high near 36.
Saturday Night
A chance of rain and snow. Cloudy, with a low around 26.
Sunday
A chance of rain. Mostly cloudy, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eureka IL
 40.73°N 89.27°W (Elev. 774 ft)
Last Update:
3:16 pm CST Nov 24, 2025
Forecast Valid:
3pm CST Nov 24, 2025-6pm CST Nov 30, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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