Vienna, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Vienna weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast15%—92°70°—
- SundayJul 5Overcast26%—88°71°-4°
- MondayJul 6T-storm w/ Hail39%0.01″87°73°-1°
- TuesdayJul 7Overcast20%—88°70°+1°
- WednesdayJul 8Mostly Clear17%—91°67°+3°
- ThursdayJul 9Overcast19%—94°71°+3°
- FridayJul 10Thunderstorm43%0.02″89°75°-5°
AQI 59 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 44 now. With UV 6.6 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 28 around 1 PM.
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 44 now. With UV 6.6 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 28 around 1 PM.
- Present
- AQI 44
- UV peak
- 6.6 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 28
PM × Wind × Precip
PM2.5 at 7.0 µg/m³ (AQI 39) with a 0.93 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- Wind
- calm
- 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
- 10:47 PM
- Moonset
- 10:04 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Vienna at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: March 31 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62995
16-Day Forecast — Vienna
- Sat92°70°15%
- Sun88°71°26%
- Mon87°73°39%
- Tue88°70°20%
- Wed91°67°17%
- Thu94°71°19%
- Fri89°75°43%
- Sat88°70°33%
- Sun84°66°15%
- Mon81°59°11%
- Tue81°61°9%
- Wed86°64°9%
- Thu81°66°13%
- Fri80°69°13%
- Sat87°71°29%
- Sun93°73°19%
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 — Vienna
SPC has placed Vienna in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Vienna
- 62995