Weather StoryAlmanac, microseasons, and the day's weather story.

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

Alta Vista, IA
Saturday, July 4 at 8:11 PM
73
°
Clear
Feels like
78°
Humidity
83%
Wind
6 mph
Sunrise
12:35 AM
Sunset
3:52 PM
Alta Vista, IA
Hour by hour · 24h
24-Hour ForecastAlta Vista, IA: 24-hour forecast. Temperatures range from 64 to 80 degrees Fahrenheit.
L 64°H 80°
Alta Vista, IA
7-day forecast
  1. Today
    Jul 4
    Heavy Drizzle
    44%
    0.05″
    84°67°
  2. Sunday
    Jul 5
    Overcast
    11%
    80°64°-4°
  3. Monday
    Jul 6
    Light Drizzle
    81°65°+1°
  4. Tuesday
    Jul 7
    Overcast
    83°65°+2°
  5. Wednesday
    Jul 8
    Thunderstorm
    47%
    80°65°-3°
  6. Thursday
    Jul 9
    Overcast
    47%
    75°59°-5°
  7. Friday
    Jul 10
    Partly Cloudy
    78°61°+3°
Alta Vista, IA
Anemometer · 24h winds · from true
NESW
From · True
NE
053° · backing 71°
Direction
NE
053°
Sustained
6
mph
Gust
8
mph
Peak 24h
16
avg 5
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 5 · pk 16 @ 3:00p
010MPHB1B2B3B4-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 103SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Alta Vista, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
973.6
-0.4 mb in 3h · steady · 28.75 inHg
Now
973.6
mb
3h
-0.4
mb
12h
-0.6
mb
24h
+0.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 973976
965970975980-21h-18h-15h-12h-9h-6h-3h-24hNOW975.8972.8973.6
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Alta Vista, IA
Air quality
43
AQI
Good
+4 in 6h

AQI 43 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 39. Overcast through the UV peak window (cloud cover ~70%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
5.5μg/m³
PM 10Good
7μg/m³
NO₂Good
2μg/m³
OzoneDRIVERModerate
82μg/m³
UV IndexLow
0.1

What's driving it

Ozone × UV × Sky

Ozone at AQI 39. Overcast through the UV peak window (cloud cover ~70%) — afternoon ozone should stay flat.

Present
AQI 39
UV peak
0.1 at 1 PM
Sky at peak
overcast
Projected peak
AQI 5

PM × Wind × Precip

PM2.5 at 5.5 µg/m³ (AQI 31) with a 0.81 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.81
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Alta Vista, IA
Sky cover · visibility · 24h
Cloud cover
16%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
34.2mi
UNLIMITED
58 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
01:11 UTC · Alta Vista, IA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
01:11 UTC · Alta Vista, IA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Alta Vista, IA
Satellite · infrared · animated
Alta Vista, IA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Alta Vista, IA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:01 AM
Sunrise
12:35 AM
Daylight
15h 17m
Sunset
3:52 PM
Civil dusk
9:29 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Alta Vista, IA
The moon
Waning Gibbous
77% illuminated
Moonrise
11:30 PM
Moonset
11:21 AM
In sign
♓︎ Pisces
Alta Vista, IA
Microseason
Jul 1–5

Cicadas claim the afternoon

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Alta Vista at a glance

  • Today vs. normal: 5°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

  1. Sat84°67°44%
  2. Sun80°64°11%
  3. Mon81°65°5%
  4. Tue83°65°7%
  5. Wed80°65°47%
  6. Thu75°59°47%
  7. Fri78°61°7%
  8. Sat74°59°8%
  9. Sun74°55°8%
  10. Mon80°59°8%
  11. Tue83°65°4%
  12. Wed81°62°23%
  13. Thu83°69°26%
  14. Fri86°72°30%
  15. Sat85°66°25%
  16. 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

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.