Hazardous Weather Conditions
Current conditions at
Marshall County Airport (KC75)
Lat: 41.02°NLon: 89.39°WElev: 545ft.
Fair
56°F
13°C
| Humidity | 62% |
| Wind Speed | SW 6 mph |
| Barometer | 29.74 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 4 May 12:15 am CDT |
Extended Forecast for
Chillicothe IL
Overnight
Low: 49 °F
Mostly Clear
Monday
High: 78 °F
Sunny then
Slight Chance
T-stormsMonday Night
Low: 50 °F
Showers
Likely then
Chance
ShowersTuesday
High: 56 °F
Showers
LikelyTuesday Night
Low: 40 °F
Mostly Cloudy
Wednesday
High: 58 °F
Partly Sunny
Wednesday Night
Low: 42 °F
Mostly Cloudy
Thursday
High: 61 °F
Mostly Sunny
Thursday Night
Low: 45 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 49. Light south southwest wind.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 78. Southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Increasing clouds, with a low around 50. Southwest wind 5 to 11 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 56. North wind 5 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 40. North northeast wind around 6 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 58. Calm wind becoming northwest 5 to 7 mph in the morning. Winds could gust as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 45.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A chance of showers. Mostly sunny, with a high near 73.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Chillicothe IL
40.91°N 89.49°W (Elev. 472 ft)
40.91°N 89.49°W (Elev. 472 ft)
12:17 am CDT May 4, 2026
12am CDT May 4, 2026-6pm CDT May 10, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
