Lewis and Clark County Weather Forecast
Current Conditions & 10-Day Outlook
Current Weather Conditions in Lewis and Clark County
Lewis and Clark County
Montana, United States
RainHourly Lewis and Clark County Weather Forecast
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9°
8°8°7°7°9°10°11°12°13°12°9°10°11°
10°10°Gentle wind.
High chance of precipitation.
Lewis and Clark County 10-Day Weather Outlook
Meteorologia de hoje em Lewis and Clark County, Montana, United States
Sat, Jun 27
Sun, Jun 28
Mon, Jun 29
Tue, Jun 30
Wed, Jul 01
Thu, Jul 02
Fri, Jul 03
Sat, Jul 04
Sun, Jul 05
Sensação térmica
Feels cooler than actual temperature.
Pressão
Expect unstable weather conditions.
Humidade
High humidity.
UV
Take precautions.
Rajadas
Velocidade máxima das rajadas de vento hoje.
Nebulosidade
Overcast, expect cloudy conditions.
Luz do dia
Long days, short nights.
Chuva
Moderate rain, some wet conditions likely.
Queda de neve
No snowfall expected.
Current Air Quality in Lewis and Clark County
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About Lewis and Clark County Weather
General
This page provides the current weather forecast for Lewis and Clark County, Montana, United States, including hourly conditions, a 10-day outlook, wind speed and direction, precipitation, UV index, and air quality - giving you everything you need to plan your day in one view.
Forecast & Methodology
The forecast data on this page is sourced from the ECMWF open-source model - a reliable global model used widely across weather services worldwide. For sailors, boaters, and mariners who need greater accuracy and higher resolution, PredictWind's proprietary forecast models deliver precision down to 1km resolution, updated multiple times daily and validated against real-world observations. Sign up free to access PredictWind's advanced forecasts.
Sailing & Marine Conditions
Lewis and Clark County weather forecasts on PredictWind are optimised for sailors and boaters who need precise, reliable wind and wave data for passage planning and day sailing. PredictWind is used by ocean racers, cruising sailors, and commercial vessel operators across United States and worldwide. For detailed marine conditions including wave height, swell period, and offshore wind forecasts, sign up free to access PredictWind's full marine forecast suite.
Units
Wind speed is displayed in knots - the standard unit used by sailors, weather services, and maritime authorities. Temperature is shown in degrees Celsius. Use the toggle at the top of the page to switch between Celsius and Fahrenheit. Pressure is shown in hPa, rainfall in millimetres, and air quality is available in both US and EU AQI standards.