Shell Rock, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Shell Rock weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle39%0.02″84°69°—
- SundayJul 5Heavy Drizzle19%0.07″81°68°-3°
- MondayJul 6Overcast——81°65°0°
- TuesdayJul 7Overcast——82°63°+1°
- WednesdayJul 8T-storm w/ Hail41%0.01″82°66°0°
- ThursdayJul 9Light Drizzle44%—79°63°-3°
- FridayJul 10Light Drizzle14%—80°63°+1°
AQI 42 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 8.9 µg/m³ (AQI 49) with a 0.75 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm 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
Ozone × UV × Sky
Ozone at AQI 44 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 44
- UV peak
- 3.9 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 8.9 µg/m³ (AQI 49) with a 0.75 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.75
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:09 PM
- Moonset
- 10:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Shell Rock at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50670
16-Day Forecast — Shell Rock
- Sat84°69°39%
- Sun81°67°19%
- Mon81°65°2%
- Tue82°63°3%
- Wed82°66°41%
- Thu79°63°44%
- Fri80°63°14%
- Sat76°59°8%
- Sun78°56°13%
- Mon79°57°8%
- Tue80°61°7%
- Wed78°59°23%
- Thu83°64°26%
- Fri82°64°25%
- Sat73°60°24%
- Sun76°59°26%
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 — Shell Rock
SPC includes Shell Rock in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Shell Rock
- 50670