Current conditions at
Marshall County Airport (KC75)
Lat: 41.02°NLon: 89.39°WElev: 545ft.
Overcast
34°F
1°C
| Humidity | 56% |
| Wind Speed | E 7 mph |
| Barometer | 30.18 in |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 14 Mar 9:15 am CDT |
Extended Forecast for
Chillicothe IL
Today
High: 49 °F
Slight Chance
Snow then
Mostly CloudyTonight

Low: 42 °F
Mostly Cloudy
Sunday
High: 65 °F
Breezy. Rain
Likely then
RainSunday Night
Low: 18 °F
Rain/Snow and
Blustery then
Snow and
Patchy
Blowing SnowMonday

High: 25 °F
Snow Likely
and Areas
Blowing SnowMonday Night

Low: 8 °F
Decreasing
CloudsTuesday

High: 27 °F
Mostly Sunny
Tuesday Night

Low: 21 °F
Snow Likely
Wednesday

High: 51 °F
Mostly Sunny
Detailed Forecast
Today
A 20 percent chance of snow before 10am. Mostly cloudy, with a high near 49. East southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 42. East southeast wind 10 to 13 mph, with gusts as high as 24 mph.
Sunday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 10am. High near 65. Breezy, with a south wind 15 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain before 10pm, then snow. Patchy blowing snow after midnight. Low around 18. Blustery, with a south southwest wind 18 to 24 mph becoming north northwest after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow likely before 1pm. Areas of blowing snow. Cloudy, with a high near 25. Blustery, with a west northwest wind around 24 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 8. West northwest wind 10 to 18 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 27. West northwest wind around 8 mph, with gusts as high as 16 mph.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Partly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 62.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chillicothe IL
40.94°N 89.51°W (Elev. 499 ft)
40.94°N 89.51°W (Elev. 499 ft)
7:56 am CDT Mar 14, 2026
9am CDT Mar 14, 2026-6pm CDT Mar 20, 2026


