Grandin, Missouri Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Grandin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast14%—94°74°—
- SundayJul 5Light Showers36%1.3″89°71°-5°
- MondayJul 6Overcast40%—93°69°+4°
- TuesdayJul 7Overcast17%—92°66°-1°
- WednesdayJul 8Clear10%—95°66°+3°
- ThursdayJul 9Partly Cloudy22%—99°71°+4°
- FridayJul 10Overcast28%—96°76°-3°
AQI 35 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.96 fine-to-coarse ratio and 4 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 37. Overcast through the UV peak window (cloud cover ~71%) — afternoon ozone should stay flat.
- Present
- AQI 37
- UV peak
- 8.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 20
PM × Wind × Precip
PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.96 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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
- 10:53 PM
- Moonset
- 10:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Grandin at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: March 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 63943
16-Day Forecast — Grandin
- Sat94°74°14%
- Sun89°71°36%
- Mon93°69°40%
- Tue92°66°17%
- Wed95°66°10%
- Thu99°71°22%
- Fri96°76°28%
- Sat89°72°26%
- Sun86°63°13%
- Mon86°61°6%
- Tue87°61°5%
- Wed87°62°15%
- Thu88°64°19%
- Fri92°70°12%
- Sat84°66°23%
- Sun82°65°20%
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 — Grandin
SPC has placed Grandin 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 Grandin
- 63943