Elmo, Missouri Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Elmo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Mostly Clear——81°60°—
- ThursdayJun 4Rain48%0.15″82°63°+1°
- FridayJun 5Thunderstorm68%0.68″89°67°+7°
- SaturdayJun 6Light Drizzle56%0.01″86°65°-3°
- SundayJun 7Showers57%—82°68°-4°
- MondayJun 8Light Drizzle48%—82°67°0°
- TuesdayJun 9Thunderstorm16%0.09″85°69°+3°
Ozone at AQI 60 now. AQI flat over the last 6 hours (within ±3 points). With UV 8.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 47 by mid-afternoon.
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 60 now. With UV 8.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 47 by mid-afternoon.
- Present
- AQI 60
- UV peak
- 8.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 47
PM × Wind × Precip
PM2.5 at 4.6 µg/m³, PM10 at 4.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 4:15 AM
- Moonset
- 1:18 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Elmo at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 19 (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 — Elmo
SPC has placed Elmo in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- 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.