Sisseton, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sisseton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy18%—89°62°—
- SundayJul 5Clear——88°65°-1°
- MondayJul 6Heavy Drizzle50%0.01″96°67°+8°
- TuesdayJul 7T-storm w/ Hail61%0.13″83°64°-13°
- WednesdayJul 8Drizzle77%0.03″79°63°-4°
- ThursdayJul 9Drizzle19%0.11″78°59°-1°
- FridayJul 10Light Drizzle15%—72°61°-6°
AQI 60 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 48 now. With UV 5.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 36 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 48 now. With UV 5.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 36 around 1 PM.
- Present
- AQI 48
- UV peak
- 5.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 36
PM × Wind × Precip
PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.81 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- Wind
- light
- 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
- 11:32 PM
- Moonset
- 10:28 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Sisseton at a glance
- Today vs. normal: 20°F above the seasonal normal for this latitude
- Last frost: May 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57262
16-Day Forecast — Sisseton
- Sat89°62°18%
- Sun88°65°1%
- Mon96°67°50%
- Tue83°64°61%
- Wed79°63°77%
- Thu78°59°19%
- Fri72°61°15%
- Sat79°55°20%
- Sun83°58°14%
- Mon89°62°8%
- Tue94°66°10%
- Wed98°68°10%
- Thu89°71°10%
- Fri80°64°19%
- Sat75°61°29%
- Sun87°58°20%
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 — Sisseton
SPC has placed Sisseton 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 Sisseton
- 57262