Shelby, Iowa Weather
Lesser ripening, greater heat. Day 89 of spring. Read this microseason across nine climate regions →
Shelby weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast——74°57°—
- WednesdayJun 17Overcast17%—82°61°+8°
- ThursdayJun 18Overcast——73°56°-9°
- FridayJun 19Overcast——74°54°+1°
- SaturdayJun 20Light Rain52%0.13″72°61°-2°
- SundayJun 21Heavy Drizzle67%0.06″70°61°-2°
- MondayJun 22Overcast19%—72°54°+2°
AQI 37 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 48 — peak already passed at 1 PM under clear 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 48 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 48
- UV peak
- 6.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 48
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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 7:00 AM
- Moonset
- 10:16 PM
- In sign
- ♋︎ Cancer
Lesser ripening, greater heat
Shelby at a glance
- Today vs. normal: 74°F — typical for the season
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Shelby
- Tue75°57°7%
- Wed82°61°17%
- Thu73°56°1%
- Fri74°54°4%
- Sat72°61°52%
- Sun70°61°67%
- Mon72°54°19%
- Tue76°62°9%
- Wed79°61°15%
- Thu83°62°21%
- Fri89°71°21%
- Sat91°71°28%
- Sun91°71°32%
- Mon87°72°40%
- Tue89°72°32%
- Wed81°70°27%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, 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 — Shelby
SPC has placed Shelby in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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 Shelby
- 51570