Summit, South Dakota Weather
Lesser ripening, greater heat. Day 89 of spring. Read this microseason across nine climate regions →
Summit weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Light Drizzle39%—75°51°—
- TuesdayJun 16Overcast22%—71°48°-4°
- WednesdayJun 17Drizzle81%0.06″62°50°-9°
- ThursdayJun 18Light Rain33%0.10″62°48°0°
- FridayJun 19Overcast——70°45°+8°
- SaturdayJun 20Overcast33%—73°52°+3°
- SundayJun 21Overcast37%—66°48°-7°
AQI 36 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise). Ozone at AQI 35. Overcast through the UV peak window (cloud cover ~72%) — afternoon ozone should stay flat.
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 35. Overcast through the UV peak window (cloud cover ~72%) — afternoon ozone should stay flat.
- Present
- AQI 35
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 6:50 AM
- Moonset
- 10:41 PM
- In sign
- ♋︎ Cancer
Lesser ripening, greater heat
Summit at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: May 18 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Summit
- Mon75°51°39%
- Tue71°48°22%
- Wed62°50°81%
- Thu62°48°33%
- Fri70°45°7%
- Sat73°52°33%
- Sun66°48°37%
- Mon53°48°24%
- Tue62°52°23%
- Wed76°51°19%
- Thu66°54°13%
- Fri70°53°17%
- Sat75°53°31%
- Sun60°58°36%
- Mon64°54°27%
- Tue73°52°27%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, 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 — Summit
SPC has placed Summit in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal 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 Summit
- 57266