Bison, South Dakota Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Bison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Clear——93°62°—
- MondayJul 6Overcast12%—89°67°-4°
- TuesdayJul 7Showers70%0.57″80°60°-9°
- WednesdayJul 8Showers70%—85°64°+5°
- ThursdayJul 9Showers31%0.02″88°63°+3°
- FridayJul 10Light Drizzle31%—92°66°+4°
- SaturdayJul 11Mostly Clear——102°69°+10°
AQI 43 (Good), driven by Ozone. AQI up 14 over the last 6 hours (gradual rise). Ozone at AQI 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 50
- UV peak
- 6.3 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 50
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
- 11:12 PM
- Moonset
- 11:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Bison at a glance
- Today vs. normal: 27°F above the seasonal normal for this latitude
- Last frost: May 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57620
16-Day Forecast — Bison
- Sun92°62°2%
- Mon89°67°12%
- Tue80°60°70%
- Wed85°64°70%
- Thu88°63°31%
- Fri92°66°31%
- Sat102°69°7%
- Sun97°73°3%
- Mon98°68°4%
- Tue96°66°10%
- Wed98°73°16%
- Thu93°69°16%
- Fri100°72°15%
- Sat99°75°16%
- Sun94°66°16%
- Mon97°73°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Bison
SPC has placed Bison in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
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 Bison
- 57620