Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >
Lower Mississippi RFC
River Forecast Center
Forecasts of future precipitation are derived from weather models and from forecaster judgment. Although accuracy of precipitation forecasts can vary from weather system to weather system, such forecasts are important for river forecasts.
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