Dallas City, Illinois Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Dallas City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——89°60°—
- FridayJun 5Thunderstorm75%0.18″81°68°-8°
- SaturdayJun 6Thunderstorm63%—87°69°+6°
- SundayJun 7Light Showers50%—88°72°+1°
- MondayJun 8Showers65%—76°70°-12°
- TuesdayJun 9Thunderstorm35%—90°69°+14°
- WednesdayJun 10Thunderstorm19%—93°74°+3°
Ozone at AQI 42. AQI down 16 over the last 6 hours — air quality is improving sharply. Overcast through the UV peak window (cloud cover ~94%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 AM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 42. Overcast through the UV peak window (cloud cover ~94%) — afternoon ozone should stay flat.
- Present
- AQI 42
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:36 AM
- Moonset
- 2:05 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Dallas City at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: April 20 (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 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 — Dallas City
SPC has placed Dallas City in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
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.