Coggon, Iowa Weather
Toward the solstice glow. Day 88 of spring. Read this microseason across nine climate regions →
Coggon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——74°49°—
- TuesdayJun 16Overcast14%—70°55°-4°
- WednesdayJun 17Light Showers90%0.17″73°55°+3°
- ThursdayJun 18Drizzle18%0.02″70°52°-3°
- FridayJun 19Light Drizzle——70°47°0°
- SaturdayJun 20Light Drizzle24%0.07″70°60°0°
- SundayJun 21Light Drizzle31%0.02″71°57°+1°
AQI 31 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 5.6 µg/m³ (AQI 31) with a 0.98 fine-to-coarse ratio and 4 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
PM × Wind × Precip
PM2.5 at 5.6 µg/m³ (AQI 31) with a 0.98 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:29 AM
- Moonset
- 9:04 PM
- In sign
- ♊︎ Gemini
Toward the solstice glow
Coggon at a glance
- Today vs. normal: 22°F below the seasonal normal for this latitude
- Last frost: April 30 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Coggon
- Mon74°49°2%
- Tue70°55°14%
- Wed73°55°90%
- Thu70°52°18%
- Fri70°47°2%
- Sat70°60°24%
- Sun71°57°31%
- Mon70°51°28%
- Tue72°59°8%
- Wed78°60°14%
- Thu82°67°21%
- Fri86°65°34%
- Sat88°72°35%
- Sun89°74°39%
- Mon77°67°42%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Coggon
SPC has placed Coggon in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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.
ZIP codes in Coggon
- 52218