Lead, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lead weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle——79°53°—
- SundayJul 5Overcast——92°63°+13°
- MondayJul 6Heavy Drizzle20%0.04″88°65°-4°
- TuesdayJul 7Drizzle70%—93°59°+5°
- WednesdayJul 8Drizzle66%—80°56°-13°
- ThursdayJul 9Overcast53%—86°61°+6°
- FridayJul 10Light Drizzle25%—76°60°-10°
AQI 61 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 20.2 µg/m³ (AQI 72) with a 0.81 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
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 50 now. With UV 6.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 40 around 1 PM.
- Present
- AQI 50
- UV peak
- 6.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 40
PM × Wind × Precip
PM2.5 at 20.2 µg/m³ (AQI 72) with a 0.81 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:57 PM
- Moonset
- 9:59 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lead at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: May 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57754
16-Day Forecast — Lead
- Sat79°53°5%
- Sun92°63°5%
- Mon88°65°20%
- Tue93°59°70%
- Wed80°56°66%
- Thu86°61°53%
- Fri76°60°25%
- Sat85°59°10%
- Sun101°62°5%
- Mon100°73°11%
- Tue90°61°23%
- Wed88°55°18%
- Thu91°64°27%
- Fri91°65°26%
- Sat97°71°23%
- Sun96°71°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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 — Lead
SPC has placed Lead in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Lead
- 57754