Brookings, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Brookings weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast14%—87°63°—
- SundayJul 5Mostly Clear——87°64°0°
- MondayJul 6Light Drizzle14%—88°65°+1°
- TuesdayJul 7Light Showers32%—91°66°+3°
- WednesdayJul 8Showers54%0.09″77°65°-14°
- ThursdayJul 9Drizzle16%0.06″78°59°+1°
- FridayJul 10Overcast16%—75°60°-3°
AQI 47 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.0 µg/m³ (AQI 55) with a 0.79 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 46 now. With UV 6.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 37 around 1 PM.
- Present
- AQI 46
- UV peak
- 6.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 37
PM × Wind × Precip
PM2.5 at 11.0 µg/m³ (AQI 55) with a 0.79 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.79
- 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
- 11:29 PM
- Moonset
- 10:29 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Brookings at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: May 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 57006, 57007
16-Day Forecast — Brookings
- Sat87°63°14%
- Sun87°64°6%
- Mon88°65°14%
- Tue91°66°32%
- Wed77°65°54%
- Thu78°59°16%
- Fri75°60°16%
- Sat79°58°16%
- Sun82°58°9%
- Mon85°60°6%
- Tue89°62°6%
- Wed93°64°9%
- Thu89°69°11%
- Fri79°62°13%
- Sat76°56°16%
- Sun85°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 — Brookings
SPC has placed Brookings 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 Brookings
- 57007
- 57006