Big Stone City, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Big Stone City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle30%0.01″91°63°—
- SundayJul 5Overcast12%—90°64°-1°
- MondayJul 6Showers21%—96°67°+6°
- TuesdayJul 7Showers38%—92°68°-4°
- WednesdayJul 8Showers62%0.18″78°61°-14°
- ThursdayJul 9Overcast30%—83°57°+5°
- FridayJul 10Thunderstorm14%0.02″88°64°+5°
AQI 52 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 11.1 µg/m³ (AQI 55) with a 0.82 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
PM × Wind × Precip
PM2.5 at 11.1 µg/m³ (AQI 55) with a 0.82 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- 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
- 10:26 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Big Stone City at a glance
- Today vs. normal: 65°F — typical for the season
- Last frost: May 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57216
15-Day Forecast — Big Stone City
- Sat91°62°30%
- Sun90°64°12%
- Mon96°67°21%
- Tue92°68°38%
- Wed78°61°62%
- Thu83°57°30%
- Fri88°64°14%
- Sat82°63°17%
- Sun90°59°9%
- Mon82°62°9%
- Tue82°58°8%
- Wed95°60°19%
- Thu93°73°23%
- Fri84°64°19%
- Sat96°58°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 — Big Stone City
SPC has placed Big Stone City 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 Big Stone City
- 57216