Grand Mound, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Grand Mound weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain46%0.75″82°68°—
- SundayJul 5Overcast12%—82°68°0°
- MondayJul 6Overcast——79°64°-3°
- TuesdayJul 7Overcast——81°61°+2°
- WednesdayJul 8T-storm w/ Hail19%—81°64°0°
- ThursdayJul 9Light Showers39%—78°68°-3°
- FridayJul 10Light Drizzle18%—80°66°+2°
AQI 30 (Good), driven by PM2.5. AQI up 8 over the last 6 hours (gradual rise). PM2.5 at 10.6 µg/m³ (AQI 54) with a 0.71 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
Ozone × UV × Sky
Ozone at AQI 43 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 43
- UV peak
- 5.0 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 43
PM × Wind × Precip
PM2.5 at 10.6 µg/m³ (AQI 54) with a 0.71 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.71
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:59 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Grand Mound at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52751
16-Day Forecast — Grand Mound
- Sat82°68°46%
- Sun82°68°12%
- Mon79°64°2%
- Tue81°61°1%
- Wed81°64°19%
- Thu78°68°39%
- Fri80°66°18%
- Sat73°60°19%
- Sun76°58°8%
- Mon75°58°6%
- Tue78°59°6%
- Wed77°59°26%
- Thu81°64°23%
- Fri76°67°23%
- Sat77°62°19%
- Sun75°58°23%
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 — Grand Mound
SPC includes Grand Mound in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Grand Mound
- 52751