Herrick, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Herrick weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle18%—86°64°—
- SundayJul 5Clear——87°65°+1°
- MondayJul 6Overcast17%—95°68°+8°
- TuesdayJul 7Light Showers35%—97°69°+2°
- WednesdayJul 8Light Showers59%—80°67°-17°
- ThursdayJul 9Light Showers25%0.20″88°63°+8°
- FridayJul 10Partly Cloudy25%—81°61°-7°
AQI 61 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 22.5 µg/m³ (AQI 76) with a 0.68 fine-to-coarse ratio and 3 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 during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 7.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 around 1 PM.
- Present
- AQI 39
- UV peak
- 7.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 38
PM × Wind × Precip
PM2.5 at 22.5 µg/m³ (AQI 76) with a 0.68 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.68
- 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
- 11:37 PM
- Moonset
- 10:40 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Herrick at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57538
16-Day Forecast — Herrick
- Sat86°64°18%
- Sun87°65°5%
- Mon95°68°17%
- Tue97°69°35%
- Wed80°67°59%
- Thu88°63°25%
- Fri81°61°25%
- Sat81°58°13%
- Sun87°62°8%
- Mon88°63°6%
- Tue95°63°8%
- Wed102°73°11%
- Thu90°72°15%
- Fri89°67°20%
- Sat84°60°25%
- Sun86°58°30%
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 — Herrick
SPC has placed Herrick in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- 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 Herrick
- 57538