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——88°57°—
- SundayJul 5Clear——94°67°+6°
- MondayJul 6Light Showers26%0.04″105°67°+11°
- TuesdayJul 7Showers74%0.02″103°69°-2°
- WednesdayJul 8Light Showers74%0.06″80°66°-23°
- ThursdayJul 9Drizzle26%—92°67°+12°
- FridayJul 10Clear18%—86°65°-6°
AQI 61 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 18.5 µg/m³ (AQI 69) with a 0.83 fine-to-coarse ratio and 4 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 49 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 49
- UV peak
- 3.1 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 49
PM × Wind × Precip
PM2.5 at 18.5 µg/m³ (AQI 69) with a 0.83 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.83
- 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: 20°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
- Sat88°57°4%
- Sun94°67°0%
- Mon105°67°26%
- Tue103°69°74%
- Wed80°66°74%
- Thu92°67°26%
- Fri86°65°18%
- Sat88°61°16%
- Sun97°66°5%
- Mon97°71°3%
- Tue104°70°9%
- Wed111°76°10%
- Thu94°76°21%
- Fri91°69°23%
- Sat87°62°21%
- Sun91°62°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 — 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