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Precipitation
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Featured Precipitation Map
Daily Precipitation Daily Precipitation
The Daily Precipitation map shows the amount of precipitation that has accumulated within the last 24 hours. The precipitation imagery displays estimates in colorized contoured bands by interpreting the intensity levels of NOWrad mosaic radar into rainfall estimates each hour. These contour bands deliniate precipitation estimates using inches.

Precipitation Accumulation Maps
View the Weekly Precipitation Map »
View the Estimated Precipitation Map »
Weekly Precipitation Map
Weekly Precipitation
The Weekly Precipitation map shows the amount of precipitation that has accumulated within the last 7 days both nationally and regionally.
RAINcast Map
RAINcast
The RAINcast map shows forecasted precipitation for the next 24 hours at 6 hour intervals both nationally and regionally.
PRECIPcast Map
PRECIPcast
The PRECIPcast map shows the probability of precipitation, including rain and snow, for the next 24 hours at 6 hour intervals.
Precipitation Meteorology

Summer Rain In meteorology, precipitation is any product of the condensation of atmospheric water vapor that is deposited on the earth's surface. It occurs when the atmosphere becomes saturated with water vapour and the water condenses and falls out of solution (i.e., precipitates). Air becomes saturated by two processes: cooling and adding moisture. Precipitation that reaches the surface of the earth can occur in many different forms, including rain, freezing rain, snow, ice pellets, and hail. Precipitation is a major component of the hydrologic cycle, and is responsible for depositing most of the fresh water on the planet.
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Additional Precipitation Maps
10 Day Precip Departure
10 Day Precip Departure Map
This map shows areas where precipitation is expected to be above, below, or near normal for the next 10 days.
30 Day Precip Departure
30 Day Precip Departure Map
This map shows areas where precipitation is expected to be above, below, or near normal for the next 30 days.
90 Day Precip Departure
90 Day Precip Departure Map
This map shows areas where precipitation is expected to be above, below, or near normal for the next 90 days.
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Storm Center
Maps displaying current National Weather Service Watches, Warnings and Advisories via County Fill colors.

Current National Weather Service Watches and Warnings by type and state throughout the United States.