The latest nationwide information from the National Weather Service: Active Watch/Warnings River Flood Conditions; Weather Forecasts. National forecast and current conditions. The starting point for official government weather forecasts, warnings, meteorological products for forecasting the weather, and information about meteorology. An overview with discussion and images of snow around the country. NOAA National Weather Service National Weather Service NDFD Graphical Forecast Snow Information National Analyses Interactive Maps 3D Visualization Airborne Surveys Snowfall Analysis Satellite Products Forecasts Data Archive SHEF Products. Highs, lows, fronts, troughs, outflow boundaries, squall lines, drylines for much of North America, the Western … Specific (deterministic) snow accumulations for locations in the United States can be obtained from the National Weather Service's National Digital Forecast Database. The purpose of these experimental probabilistic snowfall products is to provide customers and partners a range of snowfall possibilities, in complement to existing NWS deterministic snowfall graphics, to better communicate forecast uncertainties during winter weather events. Snow will be as low as 2,000 feet in the Northwest, and 4,000 in Southern California. The purpose of these experimental probabilistic snowfall products is to provide customers and partners a range of snowfall possibilities, in complement to existing NWS deterministic snowfall graphics, to better communicate forecast uncertainties during winter weather events. Winds could gust as high as 29 mph Scattered snow showers, possibly mixing with rain after 11am, then gradually ending. Click on the map below to obtain local climate information. Snow Probability Forecasts. A storm in the West will bring rain, low elevation snows, and gusty winds; which will increase fire weather threats in places with dry grasses and other plants. AccuWeather has local and international weather forecasts from the most accurate weather forecasting technology featuring up to the minute weather reports Snow Analysis Streamflow Snowfall Events Drought Climate Prediction Top Ten Daily Records. Weather Forecast Office. National Climatic Data Center (NCDC) - The world's largest weather archive, the only source for official, certified past weather data.