Chillicothe, Missouri Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Chillicothe weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle33%0.01″85°67°—
- SundayJul 5Light Drizzle17%0.01″90°71°+5°
- MondayJul 6Overcast12%—85°67°-5°
- TuesdayJul 7Mostly Clear——85°65°0°
- WednesdayJul 8Overcast——89°66°+4°
- ThursdayJul 9Light Drizzle33%—87°74°-2°
- FridayJul 10Light Drizzle33%—85°70°-2°
AQI 38 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 55. Overcast through the UV peak window (cloud cover ~72%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 55. Overcast through the UV peak window (cloud cover ~72%) — afternoon ozone should stay flat.
- Present
- AQI 55
- UV peak
- 6.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 24
PM × Wind × Precip
PM2.5 at 10.2 µg/m³, PM10 at 13.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.76
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:08 PM
- Moonset
- 10:20 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Chillicothe at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 64601
16-Day Forecast — Chillicothe
- Sat85°67°33%
- Sun90°71°17%
- Mon85°67°12%
- Tue85°65°1%
- Wed89°66°9%
- Thu87°74°33%
- Fri85°70°33%
- Sat80°63°11%
- Sun80°60°6%
- Mon82°58°5%
- Tue81°60°8%
- Wed85°58°12%
- Thu87°64°13%
- Fri86°73°10%
- Sat88°67°13%
- Sun79°61°10%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 includes Chillicothe in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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
- 64601