Dow City, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Dow City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast45%—88°71°—
- SundayJul 5Overcast——90°70°+2°
- MondayJul 6Overcast——87°67°-3°
- TuesdayJul 7Overcast——87°67°0°
- WednesdayJul 8Drizzle45%—90°71°+3°
- ThursdayJul 9Light Drizzle45%—86°66°-4°
- FridayJul 10Light Drizzle12%0.01″88°67°+2°
AQI 41 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.9 µg/m³, PM10 at 9.1 µg/m³ — typical background levels with no transport signature.
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 31. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 31
- UV peak
- 2.6 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 6.9 µg/m³, PM10 at 9.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.76
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:20 PM
- Moonset
- 10:26 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Dow City at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 51528
16-Day Forecast — Dow City
- Sat88°71°45%
- Sun90°70°7%
- Mon87°67°4%
- Tue87°67°1%
- Wed90°71°45%
- Thu86°66°45%
- Fri88°67°12%
- Sat88°67°7%
- Sun80°56°6%
- Mon81°56°5%
- Tue84°62°5%
- Wed86°65°12%
- Thu86°70°10%
- Fri88°66°17%
- Sat90°68°13%
- Sun94°70°22%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Dow City
SPC includes Dow City in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Dow City
- 51528