Grand Mound, Washington Weather
Grand Mound, Washington — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for Grand Mound, Thurston County.
Tides, marine forecast and fishing conditions near Grand Mound. Tide source:
Flight conditions near Grand Mound. Data source: locating…
Soil conditions, frost risk and crop weather for Grand Mound.
About Grand Mound, Washington
Grand Mound occupies a distinctive bend where the Chehalis River begins to widen its embrace, its landscape a gentle transition from the dense evergreen forests of the Cascade foothills to the broader, fertile plains that stretch toward the coast. It lies 12.6 miles west-south-west of Thurston, WA (from Thurston, WA: bearing 245°T), and is situated 5.6 miles north-north-west of Centralia. Here, the air carries the faint, sweet scent of Douglas fir mingling with the richer, earthy aroma of damp soil after a Pacific Northwest rain. Rolling hills, softened by a perpetual haze that lends a pearly luminescence to the afternoon, are interspersed with pastures and the occasional stand of alder, their pale bark catching the diffuse sunlight. The sky overhead often seems vast, a pale blue canvas often brushed with wisps of cloud, and the quiet hum of insect life in the summer months is a constant, unobtrusive companion to the murmur of the distant river. The history of Grand Mound is deeply entwined with the rich agricultural heritage of the Chehalis Valley, a region that has long sustained its inhabitants through the bounty of its land. Early settlers found the fertile soil and the accessible waterway ideal for farming, establishing a tradition that continues to shape the local economy today, with pastures and fields of hay and grain painting broad strokes across the countryside. While not a hub of heavy industry, Grand Mound has historically been a nexus for local commerce, a place where farmers brought their produce and goods, and its character is defined by a quiet self-sufficiency. A particular charm of Grand Mound lies in its unpretentious beauty, a place where the rhythm of the seasons dictates the pace of life, and the legacy of those who first worked this land is felt in the enduring connection to the soil and the river.
Live animated radar for Grand Mound 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 | Grand Mound, Thurston County, Washington |
| Coordinates | 46.787879°N, 123.011247°W |
| Timezone | Pacific Time (America/Los_Angeles) |
| ZIP Code(s) | 98531, 98579 |
| Area Code | 425 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Grand Mound, Washington Weather Page
This page provides live weather conditions and forecasts for Grand Mound, Washington, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 Grand Mound includes coordinates 46.787879°N, 123.011247°W, situated in Thurston County. ZIP code 98531, 98579. Telephone area code: 425. Timezone: Pacific Time (America/Los_Angeles).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.
