Hill City, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Hill City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle16%0.03″79°54°—
- SundayJul 5Overcast——92°61°+13°
- MondayJul 6Light Drizzle23%—90°66°-2°
- TuesdayJul 7Showers67%0.12″91°59°+1°
- WednesdayJul 8Light Showers67%0.02″80°57°-11°
- ThursdayJul 9Overcast56%—84°60°+4°
- FridayJul 10Mostly Clear28%—80°53°-4°
AQI 61 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 65 now. With UV 7.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 46 around 1 PM.
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 65 now. With UV 7.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 46 around 1 PM.
- Present
- AQI 65
- UV peak
- 7.5 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 46
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 14.9 µg/m³, PM10 to 20.7 µg/m³.
- PM2.5/PM10
- 0.72
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 10:55 PM
- Moonset
- 9:59 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Hill City at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: May 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57745
16-Day Forecast — Hill City
- Sat79°54°16%
- Sun92°61°2%
- Mon90°66°23%
- Tue91°59°67%
- Wed80°57°67%
- Thu84°60°56%
- Fri80°53°28%
- Sat85°51°8%
- Sun92°63°6%
- Mon94°65°9%
- Tue97°68°19%
- Wed100°69°22%
- Thu86°63°26%
- Fri82°57°24%
- Sat80°52°26%
- Sun86°55°26%
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 — Hill City
SPC has placed Hill City 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 Hill City
- 57745