National Weather Service United States Department of Commerce

Atmospheric River to Begin to Impact the Northwest U.S.; Gusty Winds in the Northeast U.S.

A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. Read More >

Drought typically refers to deficiency in precipitation, relative to the local area's climate, which persists over a period of time such that it causes a water shortage. This water shortage may impact streams & rivers, local water supplies, and agriculture.

Drought Information
 

The U.S. Drought Monitor
Static images. Overview of drought types and drought impacts updated weekly based upon a combination of sources.

Drought indeces
Static images. Derived from model output.

Fire weather forecasts
Static images. National forecasts of fire weather conditions from the NWS Storm Prediction Center

Severe Fire Potential Mapping System
Interactive maps of current fires and fire potential from the US Forecast Service.

CPC last month soil moisture percentile
Static images, no QC. Updated hourly. Raw model output should be used with caution.

CPC last month runoff percentile
Static images, no QC. Updated hourly. Raw model output should be used with caution.

CPC last month evaporation percentile
Static images, no QC. Updated hourly. Raw model output should be used with caution.