Interior, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Interior weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——88°58°—
- SundayJul 5Clear——97°66°+9°
- MondayJul 6Heavy Rain30%0.80″104°71°+7°
- TuesdayJul 7Heavy Drizzle68%—102°72°-2°
- WednesdayJul 8Light Drizzle68%—84°68°-18°
- ThursdayJul 9Light Drizzle35%—95°66°+11°
- FridayJul 10Light Drizzle35%0.02″95°70°0°
AQI 62 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.7 µg/m³ (AQI 60) with a 0.90 fine-to-coarse ratio and 1 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 13.7 µg/m³ (AQI 60) with a 0.90 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- 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
- 10:49 PM
- Moonset
- 9:52 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Interior at a glance
- Today vs. normal: 6°F below 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: 57750
16-Day Forecast — Interior
- Sat88°58°3%
- Sun97°66°1%
- Mon104°71°30%
- Tue102°72°68%
- Wed84°68°68%
- Thu95°66°35%
- Fri95°70°35%
- Sat90°69°18%
- Sun102°66°6%
- Mon111°81°7%
- Tue104°72°13%
- Wed89°68°15%
- Thu98°72°26%
- Fri101°78°23%
- Sat100°78°25%
- Sun108°81°26%
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 — Interior
SPC has placed Interior 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 Interior
- 57750