Fort Pierre, South Dakota Weather
Prairie lightning bugs rise. Day 78 of spring. Read this microseason across nine climate regions →
Fort Pierre weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast33%—88°65°—
- SaturdayJun 6Light Drizzle——96°65°+8°
- SundayJun 7Overcast30%—98°72°+2°
- MondayJun 8Overcast30%—86°64°-12°
- TuesdayJun 9Thunderstorm29%—108°71°+22°
- WednesdayJun 10Mostly Clear29%—91°70°-17°
- ThursdayJun 11Heavy Drizzle22%0.12″81°59°-10°
AQI 38 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (steady decline since this morning). PM2.5 at 5.6 µg/m³, PM10 at 7.2 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.6 µg/m³, PM10 at 7.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.78
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:55 AM
- Moonset
- 3:39 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Fort Pierre at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: May 12 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Fort Pierre
SPC has placed Fort Pierre in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
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.