West Union, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
West Union weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain32%0.10″82°68°—
- SundayJul 5Overcast14%—79°67°-3°
- MondayJul 6Mostly Clear——78°63°-1°
- TuesdayJul 7Overcast——80°62°+2°
- WednesdayJul 8T-storm w/ Hail41%0.01″80°64°0°
- ThursdayJul 9Overcast45%—76°63°-4°
- FridayJul 10Light Drizzle14%—78°60°+2°
AQI 39 (Good), driven by PM2.5. AQI up 6 over the last 6 hours (gradual rise). PM2.5 at 10.8 µg/m³, PM10 at 14.6 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 38. Overcast through the UV peak window (cloud cover ~76%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 6.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5 at 10.8 µg/m³, PM10 at 14.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.74
- Wind
- calm
- Recent rain
- 1h 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
- 11:06 PM
- Moonset
- 10:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
West Union at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52175
16-Day Forecast — West Union
- Sat82°68°32%
- Sun79°67°14%
- Mon78°63°2%
- Tue80°62°5%
- Wed80°64°41%
- Thu76°63°45%
- Fri78°60°14%
- Sat73°60°14%
- Sun76°55°10%
- Mon76°57°8%
- Tue78°59°4%
- Wed76°59°13%
- Thu79°63°13%
- Fri79°64°23%
- Sat71°59°16%
- Sun74°57°26%
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 — West Union
SPC includes West Union 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 West Union
- 52175