Viborg, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Viborg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy——89°69°—
- SundayJul 5Light Drizzle——90°68°+1°
- MondayJul 6Overcast——93°67°+3°
- TuesdayJul 7Light Drizzle20%—97°71°+4°
- WednesdayJul 8Light Showers41%—85°68°-12°
- ThursdayJul 9Light Drizzle33%0.02″86°62°+1°
- FridayJul 10Overcast13%—82°63°-4°
AQI 50 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.1 µg/m³ (AQI 55) with a 0.76 fine-to-coarse ratio and 6 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 45 now. With UV 6.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 around 1 PM.
- Present
- AQI 45
- UV peak
- 6.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 38
PM × Wind × Precip
PM2.5 at 11.1 µg/m³ (AQI 55) with a 0.76 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.76
- Wind
- light
- 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
- 11:28 PM
- Moonset
- 10:31 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Viborg at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57070
16-Day Forecast — Viborg
- Sat89°69°9%
- Sun90°68°8%
- Mon93°67°2%
- Tue97°71°20%
- Wed85°68°41%
- Thu86°62°33%
- Fri82°63°13%
- Sat84°59°13%
- Sun84°61°7%
- Mon90°62°6%
- Tue91°64°5%
- Wed95°68°12%
- Thu92°70°13%
- Fri90°64°19%
- Sat81°60°19%
- Sun88°57°23%
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 — Viborg
SPC has placed Viborg 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 Viborg
- 57070