Grandin, Missouri Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Grandin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——85°62°—
- FridayJun 5Overcast11%—85°65°0°
- SaturdayJun 6Drizzle14%—88°65°+3°
- SundayJun 7Showers55%—81°70°-7°
- MondayJun 8Showers65%—82°69°+1°
- TuesdayJun 9Thunderstorm45%—94°71°+12°
- WednesdayJun 10Drizzle18%—92°71°-2°
Ozone at AQI 36. AQI down 9 over the last 6 hours (steady decline since this morning). Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.
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. Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
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
- 4:23 AM
- Moonset
- 2:14 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Grandin at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: March 28 (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 — Grandin
SPC has placed Grandin in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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.