Greenwood Colony, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Greenwood Colony weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——86°68°—
- SundayJul 5Mostly Clear——88°68°+2°
- MondayJul 6Overcast11%—95°69°+7°
- TuesdayJul 7Overcast28%—99°70°+4°
- WednesdayJul 8Drizzle55%—81°70°-18°
- ThursdayJul 9Light Showers20%0.40″92°64°+11°
- FridayJul 10Overcast18%—81°63°-11°
AQI 54 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 16.1 µg/m³ (AQI 64), ratio 0.69 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
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 47 now. With UV 6.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 43 around 1 PM.
- Present
- AQI 47
- UV peak
- 6.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 43
PM × Wind × Precip
PM2.5 at 16.1 µg/m³ (AQI 64), ratio 0.69 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.69
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 11:33 PM
- Moonset
- 10:36 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Greenwood Colony at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Greenwood Colony
- Sat86°68°9%
- Sun88°68°2%
- Mon95°69°11%
- Tue99°70°28%
- Wed81°70°55%
- Thu92°64°20%
- Fri81°63°18%
- Sat83°58°11%
- Sun86°63°10%
- Mon86°64°4%
- Tue93°65°4%
- Wed100°72°7%
- Thu89°74°10%
- Fri88°65°23%
- Sat83°60°21%
- Sun86°58°25%
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 — Greenwood Colony
SPC has placed Greenwood Colony in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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.
ZIP codes in Greenwood Colony
- 57330