Forecast Time Periods
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The National Weather Service (NWS) categorizes forecasts by the time period covered.
- Nowcasting covers 0-12 hours.
- A Short-Term Forecast is 12-48 hours.
- A separate Medium Range Forecast covers days 3-7, 6-10, and 8-14.
- Long Range Forecasts include a Monthly Forecast and a Seasonal or 3 month Forecast.


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