Rockham, South Dakota Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Rockham weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Rain71%0.52″80°64°—
- ThursdayJun 4Heavy Showers34%0.47″82°64°+2°
- FridayJun 5Rain36%0.30″81°61°-1°
- SaturdayJun 6Clear——85°60°+4°
- SundayJun 7Overcast22%—90°67°+5°
- MondayJun 8Overcast37%—81°66°-9°
- TuesdayJun 9Thunderstorm27%—96°64°+15°
Ozone at AQI 34. AQI flat over the last 6 hours (within ±3 points). Overcast through the UV peak window (cloud cover ~80%) — 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 ~80%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 0.1 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:23 AM
- Moonset
- 2:22 PM
- In sign
- ♑︎ Capricorn
Prairie lightning bugs rise
Rockham at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: May 15 (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 — Rockham
SPC has placed Rockham in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- DAY 3MRGLMarginal 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.