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Grand Coulee, Washington Weather

Grand Coulee, Washington — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tides and marine conditions for Grand Coulee, Grant County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near Grand Coulee. Nearest NOAA tide station:

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✈️ Aviation Weather

Flight conditions near Grand Coulee — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Grand Coulee and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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About Grand Coulee, Washington

Grand Coulee lies etched against a backdrop of stark, sun-baked basalt, where the scablands tell a story of ancient floods and powerful forces. It lies 14.6 miles west of Clark, WA (from Clark, WA: bearing 274°T), and is situated 2.1 miles south-west of Coulee Dam. The air, dry and carrying the scent of sagebrush, shimmers with a persistent heat, even as the vast expanse of the Columbia River, tamed and channeled, reflects the immense sky. Eroded coulees, remnants of glacial meltwater's fury, carve deep shadows into the landscape, their sheer walls a testament to geological time. The light here, especially as evening draws in, possesses a peculiar clarity, sharpening the edges of the distant mountains and painting the sky in hues of ochre and rose. It is a place where the land feels both immense and intimately sculpted, a raw beauty born of upheaval. The heart of Grand Coulee beats with the rhythm of its colossal dam, a monument of human ambition that transformed this arid land into a powerhouse and an agricultural oasis. The economy, once dominated by the monumental construction project, now thrives on the bounty of irrigated fields, where orchards and vineyards flourish, and on the steady hum of hydroelectric generation. The reservoir it created, Banks Lake, offers a surprising aquatic respite, its shores dotted with recreation areas, a stark contrast to the surrounding desert. History whispers in the wind that sweeps across the coulees, a narrative of pioneers, engineers, and the enduring spirit of those who chose to build and thrive in this challenging, yet profoundly rewarding, corner of the world.

LocationGrand Coulee, Grant County, Washington
Coordinates47.941541°N, 119.003355°W
TimezonePacific Time (America/Los_Angeles)
ZIP Code(s)99133, 99116
Area Code509
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service