Chillicothe, IA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Chillicothe, IA in one place.
Showers and thunderstorms. Cloudy. High near 66, with temperatures falling to around 64 in the afternoon. Northeast wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Local Weather Overview
This forecast page for Chillicothe, IA 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: Oct 14, 2026 4:51 AM CDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Chillicothe, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 4:51 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Chillicothe
Tuesday looks like the warmest upcoming period in Chillicothe at 74 degrees F.
Friday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday at about 14 to 21 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 4:51 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KDMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers before 1am. Mostly cloudy, with a low around 46. Northwest wind 9 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 57.
Patchy frost after 4am. Mostly clear, with a low around 36.
Areas of frost before 8am. Sunny, with a high near 63.
Clear, with a low around 42.
Sunny, with a high near 68.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 49.
A slight chance of rain showers before 7am. Partly sunny, with a high near 70.
Partly cloudy, with a low around 49.
Sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
66°F |
5 to 8 mph
NE
|
|
Thursday Night
Oct 15
|
Rain Showers
|
46°F |
9 to 14 mph
NW
|
|
Friday
Oct 16
|
Mostly Sunny
|
57°F |
14 to 21 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear then Patchy Frost
|
36°F |
0 to 10 mph
N
|
|
Saturday
Oct 17
|
Areas Of Frost then Sunny
|
63°F |
0 to 7 mph
SW
|
|
Saturday Night
Oct 17
|
Clear
|
42°F |
6 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
68°F |
7 to 12 mph
SSW
|
|
Sunday Night
Oct 18
|
Partly Cloudy then Slight Chance Rain Showers
|
49°F |
5 to 8 mph
SSW
|
|
Monday
Oct 19
|
Slight Chance Rain Showers then Partly Sunny
|
70°F |
5 mph
SSW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
49°F |
3 mph
S
|
|
Tuesday
Oct 20
|
Sunny
|
74°F |
1 to 6 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chillicothe.