Twin Brooks, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Twin Brooks weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast20%—88°63°—
- SundayJul 5Partly Cloudy——86°64°-2°
- MondayJul 6Heavy Drizzle33%—95°70°+9°
- TuesdayJul 7Thunderstorm47%—92°68°-3°
- WednesdayJul 8Heavy Showers73%0.55″77°61°-15°
- ThursdayJul 9Overcast23%—82°59°+5°
- FridayJul 10Thunderstorm28%—91°66°+9°
AQI 56 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.8 µg/m³ (AQI 52) with a 0.84 fine-to-coarse ratio and 4 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
PM × Wind × Precip
PM2.5 at 9.8 µg/m³ (AQI 52) with a 0.84 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.84
- 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
- 10:27 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Twin Brooks at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: May 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57269
15-Day Forecast — Twin Brooks
- Sat88°63°20%
- Sun86°64°3%
- Mon95°70°33%
- Tue92°68°47%
- Wed77°61°73%
- Thu82°59°23%
- Fri91°66°28%
- Sat83°63°28%
- Sun95°61°10%
- Mon82°66°8%
- Tue85°59°7%
- Wed96°63°13%
- Thu98°75°16%
- Fri86°64°13%
- Sat97°60°15%
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 — Twin Brooks
SPC has placed Twin Brooks 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 Twin Brooks
- 57269