Westwood Colony, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Westwood Colony weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——88°61°—
- SundayJul 5Clear——88°65°0°
- MondayJul 6Thunderstorm54%0.06″97°66°+9°
- TuesdayJul 7T-storm w/ Hail68%0.28″84°65°-13°
- WednesdayJul 8Drizzle72%—79°61°-5°
- ThursdayJul 9Heavy Drizzle14%0.13″78°60°-1°
- FridayJul 10Light Drizzle18%—70°59°-8°
AQI 43 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 47 now. With UV 5.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 33 around 1 PM.
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 5.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 33 around 1 PM.
- Present
- AQI 47
- UV peak
- 5.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 33
PM × Wind × Precip
PM2.5 at 7.1 µg/m³ (AQI 39) with a 0.81 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:36 PM
- Moonset
- 10:31 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Westwood Colony at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: May 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Westwood Colony
- Sat88°61°8%
- Sun88°65°2%
- Mon97°66°54%
- Tue84°65°68%
- Wed79°61°72%
- Thu78°60°14%
- Fri70°59°18%
- Sat80°54°17%
- Sun85°60°11%
- Mon89°62°7%
- Tue93°65°10%
- Wed98°70°10%
- Thu90°71°11%
- Fri80°61°19%
- Sat81°59°25%
- Sun88°57°16%
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 — Westwood Colony
SPC has placed Westwood Colony in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe 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.
ZIP codes in Westwood Colony
- 57430