Alta Vista, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Alta Vista weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Drizzle44%0.05″84°67°—
- SundayJul 5Overcast11%—80°64°-4°
- MondayJul 6Light Drizzle——81°65°+1°
- TuesdayJul 7Overcast——83°65°+2°
- WednesdayJul 8Thunderstorm47%—80°65°-3°
- ThursdayJul 9Overcast47%—75°59°-5°
- FridayJul 10Partly Cloudy——78°61°+3°
AQI 43 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 42. Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.
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 42. Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.
- Present
- AQI 42
- UV peak
- 0.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 6.7 µg/m³ (AQI 37) with a 0.80 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.80
- Wind
- light
- 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
- 11:30 PM
- Moonset
- 11:21 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Alta Vista at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50603
16-Day Forecast — Alta Vista
- Sat84°67°44%
- Sun80°65°11%
- Mon81°65°5%
- Tue83°65°7%
- Wed80°65°47%
- Thu75°59°47%
- Fri78°61°7%
- Sat74°59°8%
- Sun74°55°8%
- Mon80°59°8%
- Tue83°65°4%
- Wed81°62°23%
- Thu83°69°26%
- Fri86°72°30%
- Sat85°66°25%
- Sun78°59°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Alta Vista
SPC includes Alta Vista 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 Alta Vista
- 50603