Percival, Iowa Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Percival weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Clear——88°66°—
- TuesdayJul 7Overcast——91°68°+3°
- WednesdayJul 8Overcast39%—92°68°+1°
- ThursdayJul 9Light Rain65%0.09″88°70°-4°
- FridayJul 10Showers39%—90°71°+2°
- SaturdayJul 11Overcast14%—90°69°0°
- SundayJul 12Overcast——94°70°+4°
AQI 32 (Good), driven by Ozone. AQI up 12 over the last 6 hours (gradual rise). Ozone at AQI 56 now. With UV 8.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 65.
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 56 now. With UV 8.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 65.
- Present
- AQI 56
- UV peak
- 8.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 65
PM × Wind × Precip
PM2.5 at 5.2 µg/m³ (AQI 29) with a 0.78 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.78
- 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
- 12:04 AM
- Moonset
- 12:45 PM
- In sign
- ♈︎ Aries
Thunderheads boil and break at dusk
Percival at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 51648
16-Day Forecast — Percival
- Mon88°66°0%
- Tue91°68°0%
- Wed92°68°39%
- Thu88°70°65%
- Fri90°71°39%
- Sat90°69°14%
- Sun94°70°5%
- Mon105°73°3%
- Tue106°74°2%
- Wed92°72°9%
- Thu70°59°9%
- Fri77°56°14%
- Sat81°59°17%
- Sun85°61°19%
- Mon87°63°21%
- Tue90°68°23%
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 — Percival
SPC includes Percival in the general thunderstorm area day after tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- 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 Percival
- 51648