Hamill, South Dakota Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Hamill weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast27%—87°60°—
- FridayJun 5Heavy Rain51%0.87″87°62°0°
- SaturdayJun 6Clear——91°66°+4°
- SundayJun 7Overcast22%—94°70°+3°
- MondayJun 8Drizzle22%—95°69°+1°
- TuesdayJun 9Overcast16%—101°67°+6°
- WednesdayJun 10Overcast16%—109°73°+8°
Ozone at AQI 55 — peak already passed at 1 PM under partly cloudy skies. AQI up 13 over the last 6 hours (gradual rise). Levels should ease through evening.
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 55 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 55
- UV peak
- 1.0 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 55
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
- 5:21 AM
- Moonset
- 2:30 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Hamill at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: May 8 (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 — Hamill
SPC has placed Hamill 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.