Wallace, South Dakota Weather
Prairie lightning bugs rise. Day 78 of spring. Read this microseason across nine climate regions →
Wallace weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Showers51%0.11″78°64°—
- FridayJun 5Rain53%0.37″78°64°0°
- SaturdayJun 6Clear——87°59°+9°
- SundayJun 7Thunderstorm17%—87°64°0°
- MondayJun 8Thunderstorm35%—86°66°-1°
- TuesdayJun 9Thunderstorm15%—89°68°+3°
- WednesdayJun 10Thunderstorm18%—95°70°+6°
AQI 42 (Good), driven by PM2.5. AQI up 6 over the last 6 hours (gradual rise). PM scrubbed by 2 hours of recent rain — PM2.5 down to 6.1 µg/m³, PM10 to 7.7 µg/m³.
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 33 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 by mid-afternoon.
- Present
- AQI 33
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 8
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 6.1 µg/m³, PM10 to 7.7 µg/m³.
- PM2.5/PM10
- 0.79
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 5:46 AM
- Moonset
- 3:25 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Wallace at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: May 17 (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 — Wallace
SPC has placed Wallace in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.