Shell Rock, Iowa Weather
Prairie lightning bugs rise. Day 78 of spring. Read this microseason across nine climate regions →
Shell Rock weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Heavy Rain93%1.4″83°59°—
- FridayJun 5Light Drizzle43%—81°66°-2°
- SaturdayJun 6Light Drizzle15%—84°65°+3°
- SundayJun 7Heavy Drizzle57%—82°68°-2°
- MondayJun 8Drizzle63%—80°67°-2°
- TuesdayJun 9Showers39%0.05″80°67°0°
- WednesdayJun 10Thunderstorm14%—91°74°+11°
PM scrubbed by 4 hours of recent rain — PM2.5 down to 6.5 µg/m³, PM10 to 6.8 µg/m³. AQI up 6 over the last 6 hours (gradual rise).
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 34 now. With UV 0.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 by mid-afternoon.
- Present
- AQI 34
- UV peak
- 0.1 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
PM × Wind × Precip
PM scrubbed by 4 hours of recent rain — PM2.5 down to 6.5 µg/m³, PM10 to 6.8 µg/m³.
- PM2.5/PM10
- 0.96
- Wind
- calm
- Recent rain
- 4h in last 6h
- Pattern
- washed out
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
- 5:18 AM
- Moonset
- 3:11 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Shell Rock at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 5, 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 has placed Shell Rock in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYMRGLMarginal Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.