Hartsburg, Missouri Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Hartsburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Rain14%0.21″85°60°—
- FridayJun 5Showers38%0.11″87°68°+2°
- SaturdayJun 6Drizzle13%—87°69°0°
- SundayJun 7Light Showers80%0.04″82°69°-5°
- MondayJun 8Thunderstorm61%0.03″92°68°+10°
- TuesdayJun 9Thunderstorm36%—93°72°+1°
- WednesdayJun 10Thunderstorm——93°74°0°
PM scrubbed by 2 hours of recent rain — PM2.5 down to 11.2 µg/m³, PM10 to 13.4 µg/m³. AQI up 18 in the last 6 hours — air quality is degrading.
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 45 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 45
- UV peak
- 2.2 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 45
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 11.2 µg/m³, PM10 to 13.4 µg/m³.
- PM2.5/PM10
- 0.84
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 4:35 AM
- Moonset
- 2:15 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Hartsburg at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 8 (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 — Hartsburg
SPC has placed Hartsburg in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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.