Long Lake, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Long Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy——86°59°—
- SundayJul 5Clear——89°61°+3°
- MondayJul 6Light Showers53%—96°65°+7°
- TuesdayJul 7T-storm w/ Hail77%0.02″79°63°-17°
- WednesdayJul 8Foggy77%—79°58°0°
- ThursdayJul 9Drizzle20%0.01″71°59°-8°
- FridayJul 10Light Drizzle20%—67°57°-4°
AQI 40 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 46 now. With UV 6.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 37 around 1 PM.
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 6.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 37 around 1 PM.
- Present
- AQI 46
- UV peak
- 6.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 37
PM × Wind × Precip
PM2.5 at 6.0 µg/m³ (AQI 33) with a 0.80 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.80
- 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
- 11:41 PM
- Moonset
- 10:37 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Long Lake at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: May 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57457
16-Day Forecast — Long Lake
- Sat86°59°9%
- Sun89°61°1%
- Mon96°65°53%
- Tue79°63°77%
- Wed79°58°77%
- Thu71°59°20%
- Fri67°57°20%
- Sat78°55°20%
- Sun83°57°7%
- Mon86°60°8%
- Tue94°66°12%
- Wed97°69°12%
- Thu89°69°13%
- Fri77°63°17%
- Sat80°58°19%
- Sun87°58°13%
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 — Long Lake
SPC has placed Long Lake in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
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 Long Lake
- 57457