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  1. WPC Winter Weather Forecasts

    Feb 26, 2025 · The following charts depict in a 4-panel format the final forecast of the probabilities of snow reaching or exceeding 4, 8, and 12 inches and the probability of freezing rain reaching or …

  2. Weather Prediction Center (WPC) Home Page

    Change in weather parameters (temperature, dewpoint, surface pressure, etc) over the last 1/3/6/24 hours. Data is provided from the Real-Time Mesoscale Analysis (RTMA) or the Rapid Refresh (RAP).

  3. NWS Probabilistic Precipitation Portal - Weather Prediction Center

    Quantitative Precipitation Forecast Snowfall Forecast Includes sleet accumulation, but excludes ice Ice Forecast Scenarios Expected Amount Official National Weather Service forecast High End Amount …

  4. WPC Probabilistic Winter Precipitation Guidance - Weather Prediction …

    Map data © OpenStreetMap contributors, CC-BY-SA + − ... (Note: The GRIB2 download page contains 4 directories corresponding to the accumulation period of the forecast)

  5. WPC Probabilistic Winter Precipitation Guidance - Weather Prediction …

    WPC Probabilistic Winter Precipitation Guidance Product Selection ... (Note: The GRIB2 download page contains 4 directories corresponding to the accumulation period of the forecast)

  6. Experimental Winter Storm Outlook - Weather Prediction Center

    The Winter Storm Outlook is experimental and does not depict official warnings, and should always be used in context with official NWS forecasts and warnings. Because this product is experimental, it …

  7. Weather Prediction Center (WPC) Home Page

    National Forecast Chart Valid Tue Dec 23, 2025 Valid Wed Dec 24, 2025 Valid Thu Dec 25, 2025

  8. National Forecast Charts - Weather Prediction Center

    3 days ago · *Significant weather features are depicted as hatched areas and defined as the potential for: Severe Thunderstorms Flash Flooding Heavy Snowfall Accumulating Freezing Rain

  9. WPC Current Products Page - Weather Prediction Center

    2 days ago · Minimum/Maximum/Precipitation Probability prodcuts: Maps denoted by "Forecast" provide point forecasts, with the contoured forecast values. "Departures/Climo" maps provide normals for …

  10. WPC's Winter Weather Forecast Discussion

    Moderate snow above 4000ft can be expected Thursday night through Friday as low pressure lingers near Cape Mendocino. Some snow impacts to I-5 near Mt Shasta are possible. Snow levels remain …