Reliance, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Reliance weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast20%—89°61°—
- SundayJul 5Clear——93°66°+4°
- MondayJul 6Light Drizzle40%—98°68°+5°
- TuesdayJul 7Showers48%0.06″98°71°0°
- WednesdayJul 8Overcast55%—78°68°-20°
- ThursdayJul 9Drizzle17%—80°62°+2°
- FridayJul 10Light Drizzle17%—94°66°+14°
AQI 52 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 15.4 µg/m³ (AQI 63) with a 0.74 fine-to-coarse ratio and 4 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 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 36 now. With UV 4.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 22 around 1 PM.
- Present
- AQI 36
- UV peak
- 4.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 22
PM × Wind × Precip
PM2.5 at 15.4 µg/m³ (AQI 63) with a 0.74 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.74
- 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
- 11:40 PM
- Moonset
- 10:41 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Reliance at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57569
16-Day Forecast — Reliance
- Sat89°61°20%
- Sun93°66°1%
- Mon98°68°40%
- Tue98°71°48%
- Wed78°68°55%
- Thu80°62°17%
- Fri94°66°17%
- Sat88°66°16%
- Sun87°58°8%
- Mon103°68°7%
- Tue101°77°9%
- Wed88°68°17%
- Thu97°66°13%
- Fri102°71°20%
- Sat99°75°12%
- Sun108°77°18%
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 — Reliance
SPC includes Reliance in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Reliance
- 57569