White Rock, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
White Rock weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain17%0.13″89°64°—
- SundayJul 5Clear——88°65°-1°
- MondayJul 6Drizzle53%—92°67°+4°
- TuesdayJul 7T-storm w/ Hail57%0.89″83°65°-9°
- WednesdayJul 8Light Rain75%0.09″79°63°-4°
- ThursdayJul 9Overcast27%—76°59°-3°
- FridayJul 10Light Drizzle13%—71°61°-5°
AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.2 µg/m³ (AQI 51) with a 0.79 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
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 48 now. With UV 5.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 36 around 1 PM.
- Present
- AQI 48
- UV peak
- 5.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 36
PM × Wind × Precip
PM2.5 at 9.2 µg/m³ (AQI 51) with a 0.79 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.79
- Wind
- calm
- 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
- 11:31 PM
- Moonset
- 10:26 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
White Rock at a glance
- Today vs. normal: 20°F above the seasonal normal for this latitude
- Last frost: May 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — White Rock
- Sat89°64°17%
- Sun88°65°4%
- Mon92°67°53%
- Tue83°65°57%
- Wed79°63°75%
- Thu76°59°27%
- Fri71°61°13%
- Sat79°54°21%
- Sun80°57°15%
- Mon84°59°7%
- Tue92°63°10%
- Wed93°68°10%
- Thu85°72°9%
- Fri78°63°14%
- Sat73°61°26%
- Sun84°56°19%
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 — White Rock
SPC has placed White Rock 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 White Rock
- 57260