Belvidere, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Belvidere weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——87°57°—
- SundayJul 5Clear——93°66°+6°
- MondayJul 6Light Showers27%0.04″105°69°+12°
- TuesdayJul 7Showers72%0.02″103°69°-2°
- WednesdayJul 8Light Showers72%0.06″80°66°-23°
- ThursdayJul 9Drizzle24%—92°67°+12°
- FridayJul 10Clear21%—86°65°-6°
AQI 60 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 20.5 µg/m³ (AQI 72) with a 0.81 fine-to-coarse ratio and 2 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 8.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 50 around 1 PM.
- Present
- AQI 46
- UV peak
- 8.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 50
PM × Wind × Precip
PM2.5 at 20.5 µg/m³ (AQI 72) with a 0.81 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- 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
- 10:46 PM
- Moonset
- 9:49 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Belvidere at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: May 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57521
16-Day Forecast — Belvidere
- Sat87°57°4%
- Sun93°66°1%
- Mon105°69°27%
- Tue103°69°72%
- Wed80°66°72%
- Thu92°67°24%
- Fri86°65°21%
- Sat88°61°13%
- Sun97°66°4%
- Mon97°71°7%
- Tue104°70°18%
- Wed111°76°18%
- Thu94°76°21%
- Fri91°69°23%
- Sat87°62°25%
- Sun91°62°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 — Belvidere
SPC includes Belvidere in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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.
ZIP codes in Belvidere
- 57521