Chillicothe, Iowa Weather
Lesser ripening, greater heat. Day 90 of spring. Read this microseason across nine climate regions →
Chillicothe weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast27%—76°60°—
- WednesdayJun 17Thunderstorm81%0.36″85°58°+9°
- ThursdayJun 18Overcast——75°59°-10°
- FridayJun 19Overcast——72°54°-3°
- SaturdayJun 20Showers20%0.13″81°61°+9°
- SundayJun 21Heavy Showers79%3.1″70°61°-11°
- MondayJun 22Partly Cloudy40%—71°53°+1°
AQI 41 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:07 AM
- Moonset
- 10:52 PM
- In sign
- ♋︎ Cancer
Lesser ripening, greater heat
Chillicothe at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Chillicothe
- Tue76°60°27%
- Wed85°58°81%
- Thu75°59°2%
- Fri72°54°3%
- Sat81°61°20%
- Sun70°61°79%
- Mon71°53°40%
- Tue66°57°4%
- Wed80°57°11%
- Thu80°62°18%
- Fri86°69°31%
- Sat88°73°24%
- Sun85°70°35%
- Mon83°69°40%
- Tue84°70°42%
- Wed80°68°33%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Chillicothe
SPC has placed Chillicothe in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYMRGLMarginal Risk
- TOMORROWSLGTSlight Risk
- DAY 3NONENo severe risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Chillicothe
- 52548
- 52501