Winner, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Winner weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast18%—88°63°—
- SundayJul 5Clear——90°65°+2°
- MondayJul 6Overcast24%—97°69°+7°
- TuesdayJul 7Showers43%—97°68°0°
- WednesdayJul 8Light Drizzle55%—76°68°-21°
- ThursdayJul 9Light Drizzle25%—82°63°+6°
- FridayJul 10Light Drizzle25%—91°67°+9°
AQI 70 (Moderate), driven by PM2.5. AQI up 8 over the last 6 hours (gradual rise). PM2.5 at 26.7 µg/m³ (AQI 84) with a 0.86 fine-to-coarse ratio and 3 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 during the projected peak around 9 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 26.7 µg/m³ (AQI 84) with a 0.86 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- 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
- 11:40 PM
- Moonset
- 10:43 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Winner at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: May 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57580
16-Day Forecast — Winner
- Sat88°63°18%
- Sun90°65°2%
- Mon97°69°24%
- Tue97°68°43%
- Wed76°68°55%
- Thu82°63°25%
- Fri91°67°25%
- Sat89°64°11%
- Sun86°59°8%
- Mon104°69°5%
- Tue104°80°12%
- Wed90°68°16%
- Thu95°68°10%
- Fri99°72°17%
- Sat96°74°25%
- Sun105°76°29%
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 — Winner
SPC has placed Winner 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 Winner
- 57580