Johnson Siding, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Johnson Siding weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——83°56°—
- SundayJul 5Partly Cloudy——95°64°+12°
- MondayJul 6Drizzle21%0.06″92°65°-3°
- TuesdayJul 7Heavy Showers68%0.36″91°61°-1°
- WednesdayJul 8Rain68%0.26″81°58°-10°
- ThursdayJul 9Overcast49%—85°63°+4°
- FridayJul 10Clear27%—82°54°-3°
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 clear skies, surface ozone likely climbs to AQI 65 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 clear skies, surface ozone likely climbs to AQI 65 around 1 PM.
- Present
- AQI 65
- UV peak
- 7.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 65
PM × Wind × Precip
PM2.5 at 14.9 µg/m³, PM10 at 20.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.72
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 9:58 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Johnson Siding at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: May 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Johnson Siding
- Sat83°56°7%
- Sun95°64°1%
- Mon92°65°21%
- Tue91°61°68%
- Wed81°58°68%
- Thu85°63°49%
- Fri82°54°27%
- Sat85°53°8%
- Sun94°63°4%
- Mon96°66°10%
- Tue100°69°17%
- Wed100°75°22%
- Thu87°66°26%
- Fri84°59°24%
- Sat82°53°26%
- Sun88°57°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 — Johnson Siding
SPC has placed Johnson Siding 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 Johnson Siding
- 57702