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Current conditions at
Marshall County Airport (KC75)
Lat: 41.02°NLon: 89.39°WElev: 545ft.
Fair
60°F
16°C
| Humidity | 50% |
| Wind Speed | Calm |
| Barometer | 30.40 in |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 11:35 am CDT |
Extended Forecast for
Eureka IL
Today
High: 71 °F
Mostly Sunny
Tonight
Low: 43 °F
Mostly Clear
Tuesday
High: 73 °F
Sunny
Tuesday Night
Low: 43 °F
Clear
Wednesday
High: 74 °F
Sunny
Wednesday Night
Low: 48 °F
Clear
Thursday
High: 76 °F
Sunny
Thursday Night
Low: 49 °F
Clear
Friday
High: 74 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 71. Light south wind.
Tonight
Mostly clear, with a low around 43. Calm wind.
Tuesday
Sunny, with a high near 73. Light east southeast wind.
Tuesday Night
Clear, with a low around 43. Calm wind.
Wednesday
Sunny, with a high near 74. Calm wind.
Wednesday Night
Clear, with a low around 48. Calm wind.
Thursday
Sunny, with a high near 76. Calm wind.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 75.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Eureka IL
40.71°N 89.27°W (Elev. 774 ft)
40.71°N 89.27°W (Elev. 774 ft)
10:36 am CDT Oct 19, 2026
11am CDT Oct 19, 2026-6pm CDT Oct 25, 2026
Additional Resources
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Hourly Weather Forecast
