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Current conditions at
Marshall County Airport (KC75)
Lat: 41.02°NLon: 89.39°WElev: 545ft.
Fair
56°F
13°C
| Humidity | 75% |
| Wind Speed | Calm |
| Barometer | 29.96 in |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 7 Oct 9:15 pm CDT |
Extended Forecast for
Eureka IL
Tonight
Low: 52 °F
Mostly Clear
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 54 °F
Partly Cloudy
Friday
High: 80 °F
Mostly Sunny
Friday Night
Low: 61 °F
Clear
Saturday
High: 84 °F
Sunny
Saturday Night
Low: 57 °F
Mostly Cloudy
Sunday
High: 75 °F
Partly Sunny
Sunday Night
Low: 57 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 52. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 75. Northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 54. Light and variable wind.
Friday
Mostly sunny, with a high near 80. East southeast wind 5 to 11 mph, with gusts as high as 18 mph.
Friday Night
Clear, with a low around 61. South wind 8 to 10 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 84. South wind 8 to 11 mph, with gusts as high as 17 mph.
Saturday Night
Mostly cloudy, with a low around 57. South southeast wind 5 to 8 mph.
Sunday
Partly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 57.
Columbus Day
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Eureka IL
40.73°N 89.27°W (Elev. 774 ft)
40.73°N 89.27°W (Elev. 774 ft)
7:36 pm CDT Oct 7, 2026
9pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
Additional Resources
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Hourly Weather Forecast
