Brandon, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Brandon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——87°66°—
- SundayJul 5Mostly Clear——89°66°+2°
- MondayJul 6Overcast——87°66°-2°
- TuesdayJul 7Light Drizzle22%—90°67°+3°
- WednesdayJul 8Light Showers41%—84°66°-6°
- ThursdayJul 9Overcast26%—82°62°-2°
- FridayJul 10Drizzle10%—86°65°+4°
AQI 42 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.78 fine-to-coarse ratio and 3 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 46 now. With UV 6.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 around 1 PM.
- Present
- AQI 46
- UV peak
- 6.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 38
PM × Wind × Precip
PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.78 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- 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
- 11:27 PM
- Moonset
- 10:29 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Brandon at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: May 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57005
16-Day Forecast — Brandon
- Sat87°66°7%
- Sun89°66°7%
- Mon87°66°3%
- Tue90°67°22%
- Wed84°66°41%
- Thu82°62°26%
- Fri86°65°10%
- Sat83°60°11%
- Sun79°54°8%
- Mon86°55°5%
- Tue93°67°5%
- Wed85°64°11%
- Thu90°63°13%
- Fri93°67°17%
- Sat94°67°16%
- Sun102°71°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 — Brandon
SPC has placed Brandon 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 Brandon
- 57005