Chelsea, Iowa Weather
Warm wind sweeps the tallgrass. Day 16 of summer. Read this microseason across nine climate regions →
Chelsea weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Mostly Clear——87°67°—
- TuesdayJul 7Overcast——91°67°+4°
- WednesdayJul 8Overcast11%—84°66°-7°
- ThursdayJul 9Showers44%0.27″78°69°-6°
- FridayJul 10Light Drizzle35%—84°67°+6°
- SaturdayJul 11Light Drizzle11%0.01″83°70°-1°
- SundayJul 12Mostly Clear——90°71°+7°
AQI 25 (Good), driven by PM2.5. AQI down 13 over the last 6 hours (gradual decline). PM2.5 at 4.6 µg/m³ (AQI 26) with a 0.96 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant 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
PM × Wind × Precip
PM2.5 at 4.6 µg/m³ (AQI 26) with a 0.96 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.96
- 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).
When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:50 PM
- Moonset
- 12:31 PM
- In sign
- ♓︎ Pisces
Warm wind sweeps the tallgrass
Chelsea at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 28 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 52215
15-Day Forecast — Chelsea
- Mon87°67°2%
- Tue91°67°0%
- Wed84°66°11%
- Thu78°69°44%
- Fri84°67°35%
- Sat83°70°11%
- Sun90°71°4%
- Mon93°75°3%
- Tue93°77°7%
- Wed82°69°10%
- Thu75°64°13%
- Fri77°62°16%
- Sat79°60°16%
- Sun74°59°19%
- Mon75°57°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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.
ZIP codes in Chelsea
- 52215