Peosta, Iowa Weather
Earthworms surface after rain. Day 82 of spring. Read this microseason across nine climate regions →
Peosta weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 9Thunderstorm——83°69°—
- WednesdayJun 10Thunderstorm36%0.11″86°70°+3°
- ThursdayJun 11Heavy Showers95%0.78″78°57°-8°
- FridayJun 12Clear24%—75°53°-3°
- SaturdayJun 13Light Drizzle55%—76°58°+1°
- SundayJun 14Overcast55%—71°51°-5°
- MondayJun 15Drizzle16%0.21″58°48°-13°
AQI 40 (Good), driven by Ozone. AQI up 17 in the last 6 hours — air quality is degrading. Ozone at AQI 44 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
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 44 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 44
- UV peak
- 1.0 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 5.1 µg/m³ (AQI 28) with a 0.94 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- calm
- 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).








































The higher the clouds, the finer the weather.
- Moonrise
- 6:41 AM
- Moonset
- 7:41 PM
- In sign
- ♈︎ Aries
Earthworms surface after rain
Peosta at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jun 6–10
- Planting window: Prune spring-blooming shrubs after flowers fade.
Right now in the garden
Peak growing season
As of June 9, 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 — Peosta
SPC has placed Peosta in the Enhanced Risk category for severe thunderstorms tomorrow.
- TODAYMRGLMarginal Risk
- TOMORROWENHEnhanced Risk
- DAY 3ENHEnhanced Risk
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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 Peosta
- 52068