Corn Creek, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Corn Creek weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast21%—88°56°—
- SundayJul 5Clear——93°63°+5°
- MondayJul 6Light Drizzle24%0.02″102°70°+9°
- TuesdayJul 7Light Showers69%—102°70°0°
- WednesdayJul 8Drizzle69%0.02″82°67°-20°
- ThursdayJul 9Overcast24%—95°67°+13°
- FridayJul 10Clear23%—86°65°-9°
AQI 63 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 19.9 µg/m³ (AQI 71) with a 0.81 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
Ozone × UV × Sky
Ozone at AQI 47 now. With UV 7.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 48 around 1 PM.
- Present
- AQI 47
- UV peak
- 7.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 48
PM × Wind × Precip
PM2.5 at 19.9 µg/m³ (AQI 71) with a 0.81 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- 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
- 11:46 PM
- Moonset
- 10:49 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Corn Creek at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: May 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Corn Creek
- Sat88°56°21%
- Sun93°63°1%
- Mon102°70°24%
- Tue102°70°69%
- Wed82°67°69%
- Thu95°67°24%
- Fri86°65°23%
- Sat89°60°14%
- Sun95°65°4%
- Mon96°70°7%
- Tue102°71°18%
- Wed109°78°18%
- Thu91°75°16%
- Fri91°68°23%
- Sat86°60°21%
- Sun91°61°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 — Corn Creek
SPC includes Corn Creek in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Corn Creek
- 57521
- 57560