Irondale, Missouri Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Irondale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast35%—93°73°—
- SundayJul 5Heavy Drizzle26%0.06″86°71°-7°
- MondayJul 6Overcast14%—88°68°+2°
- TuesdayJul 7Clear——89°64°+1°
- WednesdayJul 8Overcast——96°65°+7°
- ThursdayJul 9Light Drizzle30%—99°75°+3°
- FridayJul 10Overcast41%—99°76°0°
AQI 43 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.0 µg/m³, PM10 at 15.9 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
Ozone × UV × Sky
Ozone at AQI 36 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 36
- UV peak
- 0.9 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 36
PM × Wind × Precip
PM2.5 at 13.0 µg/m³, PM10 at 15.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.82
- Wind
- breezy
- Recent rain
- 0h 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:54 PM
- Moonset
- 10:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Irondale at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 63648
16-Day Forecast — Irondale
- Sat93°73°35%
- Sun86°71°26%
- Mon88°68°14%
- Tue89°64°9%
- Wed96°65°9%
- Thu99°75°30%
- Fri99°76°41%
- Sat86°65°33%
- Sun83°62°12%
- Mon84°58°5%
- Tue85°59°6%
- Wed90°60°15%
- Thu91°64°18%
- Fri91°70°20%
- Sat79°70°24%
- Sun82°67°27%
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 — Irondale
SPC has placed Irondale 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 Irondale
- 63648