Long Lake, South Dakota Weather
Long Lake, South Dakota — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Long Lake, McPherson County.
Full aviation weather for Long Lake is published on the Ashley Municipal Airport (KASY) page, 22 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 3 airfields within reach of Long Lake have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Long Lake: Eureka Municipal Airport (K3W8) 35 km · Wishek Municipal Airport (K6L5) 50 km
Conditions reported at KASY describe the airfield itself. Weather 22 km away can differ, particularly in terrain or near the coast. For conditions at Long Lake specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Long Lake.
About Long Lake, South Dakota
Long Lake stretches out, a ribbon of muted blue against the vast, rolling prairie of McPherson County. It lies 44.0 miles north-west of Aberdeen, SD (from Aberdeen, SD: bearing 308°T), and is situated 14.6 miles south-south-east of Ashley. The land here is a study in subtle contours, where the sky seems to dominate, a boundless canvas often painted with the bruised purples and pale golds of an approaching storm. Sparse stands of cottonwood and willow cling to the water's edge, their leaves whispering secrets on the persistent breeze, offering scant shade but a vital anchor against the immense openness. Beyond the immediate shoreline, the terrain rises into undulating fields, a patchwork quilt of gold wheat and deep green alfalfa, interrupted only by the occasional weathered fence line or the stark silhouette of a lone farmstead. The air itself carries a dry, clean scent, a mingling of sun-baked earth and the faint, sweet perfume of wild grasses. The history of Long Lake is intrinsically tied to the agricultural pulse of this region, a place where the land's bounty dictates the rhythm of life. For generations, families have worked this soil, coaxing sustenance from its fertile, if sometimes unforgiving, embrace. The economy here remains primarily agricultural, with grain elevators standing as silent sentinels to the prosperity and hardship that ebb and flow with the seasons. There are no grand monuments or bustling tourist traps in Long Lake; its character is etched into the quiet dignity of its inhabitants and the enduring strength of the landscape. Evenings here possess a particular magic, as the setting sun bleeds color across the western horizon, casting long, ephemeral shadows that seem to stretch back through the years, a silent testament to the lives that have unfolded in this quiet corner of South Dakota.
Live animated radar for Long Lake and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Long Lake, McPherson County, South Dakota |
| Coordinates | 45.856641°N, 99.205113°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 57457 |
| Area Code | 605 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Long Lake, South Dakota Weather Page
This page provides live weather conditions and forecasts for Long Lake, South Dakota, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Long Lake includes coordinates 45.856641°N, 99.205113°W, situated in McPherson County. ZIP code 57457. Telephone area code: 605. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
