West Union, Illinois Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
West Union weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain39%0.82″89°73°—
- SundayJul 5Overcast31%—85°74°-4°
- MondayJul 6Light Drizzle12%—80°68°-5°
- TuesdayJul 7Clear——82°64°+2°
- WednesdayJul 8Overcast——85°67°+3°
- ThursdayJul 9Thunderstorm47%—83°72°-2°
- FridayJul 10T-storm w/ Hail47%—82°70°-1°
AQI 66 (Moderate), driven by PM2.5. AQI up 24 in the last 6 hours — air quality is degrading. PM scrubbed by 2 hours of recent rain — PM2.5 down to 7.0 µg/m³, PM10 to 7.9 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 38. Overcast through the UV peak window (cloud cover ~75%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 7.0 µg/m³, PM10 to 7.9 µg/m³.
- PM2.5/PM10
- 0.89
- Wind
- breezy
- 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
- 11:08 PM
- Moonset
- 11:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
West Union at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62477
16-Day Forecast — West Union
- Sat89°73°39%
- Sun85°74°31%
- Mon80°68°12%
- Tue82°64°4%
- Wed85°67°4%
- Thu83°72°47%
- Fri82°70°47%
- Sat79°64°23%
- Sun77°62°13%
- Mon81°59°8%
- Tue84°61°5%
- Wed84°68°13%
- Thu83°68°16%
- Fri83°67°27%
- Sat89°74°32%
- Sun88°76°55%
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 — West Union
SPC has placed West Union in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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.
ZIP codes in West Union
- 62477