Current conditions at
Marshall County Airport (KC75)
Lat: 41.02°NLon: 89.39°WElev: 545ft.
Fair
57°F
14°C
| Humidity | 51% |
| Wind Speed | Calm |
| Barometer | 30.33 in |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 3 Jun 2:15 am CDT |
Extended Forecast for
Chillicothe IL
Overnight

Low: 53 °F
Mostly Clear
Wednesday

High: 84 °F
Sunny
Wednesday Night

Low: 58 °F
Mostly Clear
Thursday

High: 86 °F
Sunny
Thursday Night

Low: 65 °F
Increasing
CloudsFriday
High: 84 °F
Chance
Showers then
Showers
LikelyFriday Night

Low: 65 °F
Showers
Saturday

High: 86 °F
Chance
T-stormsSaturday Night

Low: 64 °F
Chance
T-storms
Detailed Forecast
Overnight
Mostly clear, with a low around 53. Light east wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming south southeast around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 58. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 86. South southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Increasing clouds, with a low around 65. South wind 7 to 9 mph, with gusts as high as 20 mph.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. South southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 65. South southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Sunday Night
Mostly cloudy, with a low around 64.
Monday
A chance of showers. Partly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Tuesday
A chance of showers. Mostly sunny, with a high near 88.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chillicothe IL
40.91°N 89.49°W (Elev. 472 ft)
40.91°N 89.49°W (Elev. 472 ft)
1:26 am CDT Jun 3, 2026
2am CDT Jun 3, 2026-6pm CDT Jun 9, 2026


