Portage Des Sioux, Missouri Weather
Fireflies pulse through the magnolias. Day 78 of spring. Read this microseason across nine climate regions →
Portage Des Sioux weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——86°58°—
- FridayJun 5Overcast15%—90°67°+4°
- SaturdayJun 6Showers—0.23″88°71°-2°
- SundayJun 7Showers51%0.01″86°70°-2°
- MondayJun 8Showers66%—91°70°+5°
- TuesdayJun 9Thunderstorm43%—93°73°+2°
- WednesdayJun 10Thunderstorm12%—94°75°+1°
Ozone at AQI 500. AQI up 29 in the last 6 hours — air quality is degrading. Overcast through the UV peak window (cloud cover ~98%) — afternoon ozone should stay flat.
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. Overcast through the UV peak window (cloud cover ~98%) — afternoon ozone should stay flat.
- Present
- AQI 500
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 60
PM × Wind × Precip
PM2.5 at 10.3 µg/m³, PM10 at 11.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.87
- Wind
- light
- 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
- 4:58 AM
- Moonset
- 3:11 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Portage Des Sioux at a glance
- Today vs. normal: 78°F — typical for the season
- Last frost: April 10 (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 5, 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 — Portage Des Sioux
SPC has placed Portage Des Sioux in the General Thunderstorms category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- 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.