Onaka, South Dakota Weather
Lesser ripening, greater heat. Day 90 of spring. Read this microseason across nine climate regions →
Onaka weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 17Light Rain78%0.17″66°56°—
- ThursdayJun 18Overcast13%—68°50°+2°
- FridayJun 19Overcast13%—70°52°+2°
- SaturdayJun 20Overcast51%—74°48°+4°
- SundayJun 21Overcast64%—72°47°-2°
- MondayJun 22Light Drizzle25%0.06″57°49°-15°
- TuesdayJun 23Overcast29%—78°55°+21°
AQI 45 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~81%) — 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 34. Overcast through the UV peak window (cloud cover ~81%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 3.6 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
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
- 8:21 AM
- Moonset
- 11:37 PM
- In sign
- ♌︎ Leo
Lesser ripening, greater heat
Onaka at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: May 17 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Onaka
- Wed66°56°78%
- Thu68°50°13%
- Fri70°52°13%
- Sat74°48°51%
- Sun72°47°64%
- Mon57°49°25%
- Tue78°55°29%
- Wed83°56°22%
- Thu87°59°27%
- Fri96°66°29%
- Sat84°58°29%
- Sun73°57°25%
- Mon72°51°26%
- Tue59°51°29%
- Wed74°49°32%
- Thu76°51°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 17, 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 — Onaka
SPC has placed Onaka in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Onaka
- 57466