Chillicothe, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chillicothe, IL in one place.
A chance of showers and thunderstorms before 7am. Sunny, with a high near 92. South southwest wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Chillicothe, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 3:32 PM CDT.
The active forecast window currently covers Jun 10 to Jun 14, 2026 for Chillicothe, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 10 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 3:32 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Chillicothe
Wednesday looks like the warmest upcoming period in Chillicothe at 92 degrees F.
Sunday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Wednesday at about 7 to 16 mph SSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 3:32 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely after 7pm. Partly cloudy, with a low around 70. South southwest wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 7am, then showers and thunderstorms likely. Mostly sunny, with a high near 89. Southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 64. Chance of precipitation is 70%.
A slight chance of rain showers before 7am. Sunny, with a high near 87.
A chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 64.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Showers and thunderstorms likely. Partly cloudy, with a low around 63.
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 81.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 10
|
Chance Showers And Thunderstorms then Sunny
|
92°F |
7 to 16 mph
SSW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
70°F |
8 to 16 mph
SSW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
89°F |
8 to 14 mph
SW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely
|
64°F |
3 to 12 mph
WSW
|
|
Friday
Jun 12
|
Slight Chance Rain Showers then Sunny
|
87°F |
2 to 7 mph
W
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
64°F |
5 mph
SW
|
|
Saturday
Jun 13
|
Chance Rain Showers
|
86°F |
3 to 8 mph
SW
|
|
Saturday Night
Jun 13
|
Showers And Thunderstorms Likely
|
63°F |
6 mph
WSW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
81°F |
5 to 8 mph
NNW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
59°F |
2 to 7 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chillicothe.