Kennebec, South Dakota Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Kennebec weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Thunderstorm45%—85°59°—
- FridayJun 5Heavy Rain56%0.59″85°61°0°
- SaturdayJun 6Clear——91°63°+6°
- SundayJun 7Overcast19%—94°69°+3°
- MondayJun 8Light Showers19%—94°69°0°
- TuesdayJun 9Thunderstorm18%—100°67°+6°
- WednesdayJun 10Thunderstorm18%—110°73°+10°
Ozone at AQI 500 — peak already passed at 1 PM under partly cloudy skies. AQI up 6 over the last 6 hours (gradual rise). Levels should ease through evening.
AVOID OUTDOORS Avoid outdoor exertion. Keep windows closed; use HEPA filtration indoors if available.
What's driving it
Ozone × UV × Sky
Ozone at AQI 500 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 500
- UV peak
- 1.6 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 500
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
- 5:23 AM
- Moonset
- 2:30 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Kennebec at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: May 9 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Kennebec
SPC has placed Kennebec in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.