Roscoe, South Dakota Weather
Toward the solstice glow. Day 88 of spring. Read this microseason across nine climate regions →
Roscoe weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast23%—74°47°—
- TuesdayJun 16Overcast22%—76°48°+2°
- WednesdayJun 17Rain64%0.34″61°54°-15°
- ThursdayJun 18Drizzle19%0.04″65°50°+4°
- FridayJun 19Overcast——75°49°+10°
- SaturdayJun 20Light Drizzle18%0.01″74°53°-1°
- SundayJun 21Light Rain32%0.42″62°58°-12°
AQI 25 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 39 now. With UV 5.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 21 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 39 now. With UV 5.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 21 around 1 PM.
- Present
- AQI 39
- UV peak
- 5.8 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 21
PM × Wind × Precip
PM2.5 at 5.9 µg/m³, PM10 at 6.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:46 AM
- Moonset
- 9:53 PM
- In sign
- ♋︎ Cancer
Toward the solstice glow
Roscoe at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: May 19 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Roscoe
- Mon74°47°23%
- Tue76°48°22%
- Wed61°54°64%
- Thu65°50°19%
- Fri75°49°5%
- Sat74°53°18%
- Sun62°58°32%
- Mon63°55°22%
- Tue67°53°16%
- Wed75°50°13%
- Thu78°57°15%
- Fri76°54°20%
- Sat75°64°26%
- Sun64°55°35%
- Mon65°53°36%
- Tue75°49°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3NONENo severe 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