Mechanicsville, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mechanicsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain68%0.52″83°67°—
- SundayJul 5Showers—0.26″83°69°0°
- MondayJul 6Overcast——79°64°-4°
- TuesdayJul 7Overcast——80°62°+1°
- WednesdayJul 8T-storm w/ Hail33%—81°64°+1°
- ThursdayJul 9Showers43%—78°68°-3°
- FridayJul 10Light Drizzle15%—80°65°+2°
AQI 32 (Good), driven by PM2.5. AQI up 8 over the last 6 hours (gradual rise). PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.9 µg/m³, PM10 to 13.8 µg/m³.
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 44 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 44
- UV peak
- 3.2 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 44
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.9 µg/m³, PM10 to 13.8 µg/m³.
- PM2.5/PM10
- 0.72
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 11:02 PM
- Moonset
- 10:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mechanicsville 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: 52306
16-Day Forecast — Mechanicsville
- Sat83°67°68%
- Sun83°69°8%
- Mon79°64°2%
- Tue80°62°1%
- Wed81°64°33%
- Thu78°68°43%
- Fri80°65°15%
- Sat73°60°10%
- Sun76°59°9%
- Mon75°57°6%
- Tue78°59°5%
- Wed76°58°32%
- Thu81°63°16%
- Fri77°67°26%
- Sat75°62°21%
- Sun74°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 — Mechanicsville
SPC includes Mechanicsville 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 Mechanicsville
- 52306