Mill Spring, Missouri Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Mill Spring weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Mostly Clear——84°57°—
- ThursdayJun 4Overcast——86°64°+2°
- FridayJun 5Light Drizzle——85°67°-1°
- SaturdayJun 6Light Drizzle13%—88°66°+3°
- SundayJun 7Heavy Drizzle51%—87°68°-1°
- MondayJun 8Showers66%—83°71°-4°
- TuesdayJun 9Thunderstorm46%—88°70°+5°
Ozone at AQI 500 — peak already passed at 1 PM under clear skies. AQI up 24 in the last 6 hours — air quality is degrading. Levels should ease through evening.
AVOID OUTDOORS Avoid outdoor exertion. Keep windows closed; use HEPA filtration indoors if available.
What's driving it
Ozone × UV × Sky
Ozone at AQI 500 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 500
- UV peak
- 0.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 500
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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:44 AM
- Moonset
- 1:11 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Mill Spring at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: March 29 (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 3, 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 — Mill Spring
SPC has placed Mill Spring 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.