Cottonwood, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Cottonwood weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——88°58°—
- SundayJul 5Clear——94°65°+6°
- MondayJul 6Light Drizzle29%—102°69°+8°
- TuesdayJul 7Showers69%0.06″100°71°-2°
- WednesdayJul 8Showers69%0.19″80°67°-20°
- ThursdayJul 9Light Showers24%—90°67°+10°
- FridayJul 10Clear21%—85°65°-5°
AQI 63 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 22.6 µg/m³ (AQI 76) with a 0.81 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 49 now. With UV 7.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 49 around 1 PM.
- Present
- AQI 49
- UV peak
- 7.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 49
PM × Wind × Precip
PM2.5 at 22.6 µg/m³ (AQI 76) with a 0.81 fine-to-coarse ratio and 3 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
- 10:49 PM
- Moonset
- 9:51 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Cottonwood at a glance
- Today vs. normal: 15°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.
16-Day Forecast — Cottonwood
- Sat88°58°5%
- Sun94°65°0%
- Mon102°69°29%
- Tue100°71°69%
- Wed80°67°69%
- Thu90°67°24%
- Fri85°65°21%
- Sat89°63°9%
- Sun97°67°3%
- Mon98°73°7%
- Tue102°75°16%
- Wed110°78°16%
- Thu91°74°26%
- Fri90°70°26%
- Sat87°63°28%
- Sun92°65°29%
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 — Cottonwood
SPC includes Cottonwood 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 Cottonwood
- 57775
- 57567