Atlantic, Iowa Weather
Prairie lightning bugs rise. Day 76 of spring. Read this microseason across nine climate regions →
Atlantic weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——80°57°—
- ThursdayJun 4Heavy Drizzle53%0.09″81°63°+1°
- FridayJun 5Thunderstorm68%0.10″86°67°+5°
- SaturdayJun 6Light Showers62%—83°65°-3°
- SundayJun 7Light Showers56%—82°68°-1°
- MondayJun 8Drizzle48%—79°67°-3°
- TuesdayJun 9Light Showers14%0.07″82°69°+3°
Ozone at AQI 68 — peak already passed at 1 PM under clear skies. AQI up 12 over the last 6 hours (gradual rise). 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 68 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 68
- UV peak
- 2.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 68
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
- 4:18 AM
- Moonset
- 1:14 PM
- In sign
- ♑︎ Capricorn
Prairie lightning bugs rise
Atlantic at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 24 (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 3, 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 — Atlantic
SPC has placed Atlantic in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3SLGTSlight Risk
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.