Garretson, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Garretson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle15%0.01″87°66°—
- SundayJul 5Clear——88°64°+1°
- MondayJul 6Overcast——87°66°-1°
- TuesdayJul 7Light Showers23%—91°68°+4°
- WednesdayJul 8Showers43%—78°66°-13°
- ThursdayJul 9Light Drizzle25%—80°62°+2°
- FridayJul 10Overcast11%—79°61°-1°
AQI 41 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 49 now. With UV 6.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 44 around 1 PM.
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 49 now. With UV 6.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 44 around 1 PM.
- Present
- AQI 49
- UV peak
- 6.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.77 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.77
- 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
- 10:28 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Garretson at a glance
- Today vs. normal: 15°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: 57030
16-Day Forecast — Garretson
- Sat87°66°15%
- Sun88°64°5%
- Mon87°66°6%
- Tue91°68°23%
- Wed78°66°43%
- Thu80°62°25%
- Fri79°61°11%
- Sat80°60°11%
- Sun83°60°8%
- Mon85°60°6%
- Tue89°62°5%
- Wed94°66°11%
- Thu90°68°13%
- Fri84°62°17%
- Sat76°57°16%
- Sun86°56°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 — Garretson
SPC has placed Garretson 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 Garretson
- 57030