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Onalaska, Washington Weather

Onalaska, 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 Onalaska, Lewis 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 Onalaska. Tide source:

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🎣 Best times to fish today (solunar)
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✈️ Aviation Weather

Flight conditions near Onalaska. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Onalaska.

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About Onalaska, Washington

Onalaska rests in a broad, fertile valley, cradled by the gentle slopes of the foothills leading towards the imposing peaks of the Cascades. It lies 10.0 miles north-east of Cowlitz, WA (from Cowlitz, WA: bearing 36°T), and is situated 9.0 miles east of Napavine. The land here is a rich, dark loam, generously watered by the Chehalis River and its tributaries, creating a landscape of verdant pastures and stands of Douglas fir and western red cedar that climb the hillsides. Sunlight often filters through a soft haze, casting a diffused glow that lends a quiet, almost melancholic beauty to the rolling terrain, while the air carries the clean, damp scent of pine needles and fertile earth. The river, a broad, slow-moving artery, reflects the sky and the surrounding greenery, its banks often fringed with cattails and willow, offering a peaceful, undisturbed passage through the heart of the countryside. Onalaska’s roots are deeply entwined with the timber industry, a legacy evident in the weathered barns and the quiet hum of sawmills that still operate on the outskirts. This connection to the forest and the land has shaped the character of Onalaska, fostering a sense of self-reliance and a deep appreciation for the natural world. The local economy, while still bearing the imprint of its logging past, has diversified to include agriculture, with farms producing a variety of crops and livestock in the surrounding fertile lands. Small businesses line the main street, their storefronts reflecting the unhurried rhythm of daily life, and the community gathers for events that celebrate its rural heritage, a quiet continuity in the ever-shifting currents of the modern world.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Onalaska 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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LocationOnalaska, Lewis County, Washington
Coordinates46.575106°N, 122.718172°W
TimezonePacific Time (America/Los_Angeles)
ZIP Code(s)98570
Area Code425
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Onalaska, Washington Weather Page

This page provides live weather conditions and forecasts for Onalaska, 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 Onalaska includes coordinates 46.575106°N, 122.718172°W, situated in Lewis County. ZIP code 98570. 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.