Ullin, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Ullin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast15%—93°70°—
- SundayJul 5Heavy Showers27%0.87″85°70°-8°
- MondayJul 6T-storm w/ Hail27%—87°71°+2°
- TuesdayJul 7Overcast35%—88°70°+1°
- WednesdayJul 8Clear19%—90°67°+2°
- ThursdayJul 9Overcast31%—94°72°+4°
- FridayJul 10Drizzle33%—91°75°-3°
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.5 µg/m³ (AQI 36) with a 0.93 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
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 35 now. With UV 2.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 11 around 1 PM.
- Present
- AQI 35
- UV peak
- 2.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 6.5 µg/m³ (AQI 36) with a 0.93 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- Wind
- light
- 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
- 10:48 PM
- Moonset
- 10:05 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Ullin at a glance
- Today vs. normal: 4°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: 62992
16-Day Forecast — Ullin
- Sat93°70°15%
- Sun85°70°27%
- Mon87°71°27%
- Tue88°70°35%
- Wed90°67°19%
- Thu94°72°31%
- Fri91°75°33%
- Sat88°70°25%
- Sun83°67°15%
- Mon80°59°6%
- Tue81°60°4%
- Wed85°64°9%
- Thu80°65°13%
- Fri79°68°13%
- Sat90°71°29%
- Sun91°72°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 — Ullin
SPC has placed Ullin 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 Ullin
- 62992