Roscoe, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Roscoe weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle——87°60°—
- SundayJul 5Clear——88°61°+1°
- MondayJul 6Drizzle53%0.01″100°64°+12°
- TuesdayJul 7Light Showers77%0.05″87°64°-13°
- WednesdayJul 8Drizzle77%—82°61°-5°
- ThursdayJul 9Light Showers18%0.32″74°60°-8°
- FridayJul 10Mostly Clear18%—73°59°-1°
AQI 40 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 46 now. With UV 6.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 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 46 now. With UV 6.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 around 1 PM.
- Present
- AQI 46
- UV peak
- 6.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 39
PM × Wind × Precip
PM2.5 at 8.0 µg/m³ (AQI 44) with a 0.82 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- 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
- 11:41 PM
- Moonset
- 10:38 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Roscoe at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: May 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57471
16-Day Forecast — Roscoe
- Sat87°60°9%
- Sun88°61°0%
- Mon100°64°53%
- Tue87°64°77%
- Wed82°61°77%
- Thu74°60°18%
- Fri73°59°18%
- Sat80°56°16%
- Sun85°58°7%
- Mon87°61°9%
- Tue96°66°10%
- Wed100°66°10%
- Thu92°72°15%
- Fri79°62°19%
- Sat83°58°15%
- Sun88°57°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 — Roscoe
SPC has placed Roscoe in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- 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 Roscoe
- 57471