Brant Lake South, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Brant Lake South weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy——87°65°—
- SundayJul 5Mostly Clear——88°65°+1°
- MondayJul 6Overcast——87°65°-1°
- TuesdayJul 7Light Showers29%—92°67°+5°
- WednesdayJul 8Drizzle51%—78°66°-14°
- ThursdayJul 9Light Drizzle20%—79°61°+1°
- FridayJul 10Overcast11%—78°61°-1°
AQI 44 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.76 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 6.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 around 1 PM.
- Present
- AQI 48
- UV peak
- 6.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 39
PM × Wind × Precip
PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.76 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.76
- 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
- 11:29 PM
- Moonset
- 10:30 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Brant Lake South at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: May 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Brant Lake South
- Sat87°65°7%
- Sun88°65°5%
- Mon87°65°8%
- Tue92°67°29%
- Wed78°66°51%
- Thu79°61°20%
- Fri78°61°11%
- Sat80°59°13%
- Sun81°59°11%
- Mon84°60°6%
- Tue89°63°5%
- Wed93°66°10%
- Thu91°69°11%
- Fri83°64°13%
- Sat77°58°13%
- Sun85°56°17%
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 — Brant Lake South
SPC has placed Brant Lake South 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 Brant Lake South
- 57016