Greenville, Iowa Weather
Warm wind sweeps the tallgrass. Day 16 of summer. Read this microseason across nine climate regions →
Greenville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Overcast——87°64°—
- TuesdayJul 7Overcast——91°68°+4°
- WednesdayJul 8Thunderstorm58%—91°70°0°
- ThursdayJul 9Light Drizzle58%—83°67°-8°
- FridayJul 10Overcast18%—84°64°+1°
- SaturdayJul 11Overcast——90°63°+6°
- SundayJul 12Partly Cloudy——99°71°+9°
AQI 36 (Good), driven by PM2.5. AQI down 12 over the last 6 hours (gradual decline). PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.86 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.86 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.86
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 12:01 AM
- Moonset
- 12:43 PM
- In sign
- ♓︎ Pisces
Warm wind sweeps the tallgrass
Greenville at a glance
- Today vs. normal: 67°F — typical for the season
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 51343
15-Day Forecast — Greenville
- Mon87°64°1%
- Tue91°68°7%
- Wed91°70°58%
- Thu83°67°58%
- Fri84°64°18%
- Sat90°63°2%
- Sun99°71°3%
- Mon102°77°4%
- Tue107°78°8%
- Wed87°67°10%
- Thu80°63°15%
- Fri77°62°14%
- Sat81°58°19%
- Sun84°62°17%
- Mon81°61°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Greenville
SPC has placed Greenville in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Greenville
- 51343