West Union, Iowa Weather
Prairie lightning bugs rise. Day 78 of spring. Read this microseason across nine climate regions →
West Union weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Heavy Drizzle42%0.04″78°65°—
- SaturdayJun 6Light Drizzle16%—83°64°+5°
- SundayJun 7Showers52%0.03″79°66°-4°
- MondayJun 8Light Showers69%0.18″76°67°-3°
- TuesdayJun 9Light Drizzle39%—78°67°+2°
- WednesdayJun 10Thunderstorm17%—89°71°+11°
- ThursdayJun 11Thunderstorm12%—88°73°-1°
AQI 38 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (steady decline since this morning). PM2.5 at 5.6 µg/m³, PM10 at 5.9 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
PM × Wind × Precip
PM2.5 at 5.6 µg/m³, PM10 at 5.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- light
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:16 AM
- Moonset
- 3:07 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
West Union at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — West Union
SPC has placed West Union in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYMRGLMarginal Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.