Highmore, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Highmore weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast10%—86°62°—
- SundayJul 5Clear——89°65°+3°
- MondayJul 6Heavy Showers56%0.42″100°70°+11°
- TuesdayJul 7Showers63%0.47″98°65°-2°
- WednesdayJul 8Light Drizzle63%—82°64°-16°
- ThursdayJul 9Heavy Drizzle12%0.11″81°62°-1°
- FridayJul 10Clear15%—78°60°-3°
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 16.6 µg/m³, PM10 at 23.5 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
Ozone × UV × Sky
Ozone at AQI 45 now. With UV 6.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 around 1 PM.
- Present
- AQI 45
- UV peak
- 6.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 39
PM × Wind × Precip
PM2.5 at 16.6 µg/m³, PM10 at 23.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.71
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:40 PM
- Moonset
- 10:40 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Highmore at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: May 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57345
16-Day Forecast — Highmore
- Sat86°62°10%
- Sun89°65°2%
- Mon100°70°56%
- Tue98°65°63%
- Wed82°64°63%
- Thu81°62°12%
- Fri78°60°15%
- Sat81°57°15%
- Sun87°61°9%
- Mon89°66°6%
- Tue95°67°10%
- Wed101°70°13%
- Thu89°74°12%
- Fri82°65°18%
- Sat84°60°14%
- Sun87°59°19%
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 — Highmore
SPC includes Highmore 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 Highmore
- 57345