The lastest Hydrologic Outlook from the National Weather Service in Brownsville

U.S. Drought Monitor — (assessment of recent conditions and drought status)
(A joint effort between federal and academic partners.)
Seasonal Drought Outlook from NOAA's Climate Prediction Center> — (updated monthly)
Threats Assessment (extreme weather conditions—with graphics)
NOAA's Drought Assessment — includes the latest graphics.
Drought Calculator — NOAA calculates amount of rainfall needed to end droughts around the country
U.S. Soil Moisture Monitoring
NOAA's Drought Monitoring
Palmer Drought Severity Index — (graphic updated weekly)
Palmer Drought Information by Region
Crop Moisture Index — (graphic updated weekly)
Billion Dollar Weather Disasters — 1980-2002
Climate of 2002 — US and Global Climate Perspectives
Climate of 2001 — Annual Review
Climate Monitoring — Reports and Products
Climate At A Glance — Nationwide Temperatures & Precipitation
Extreme Climate and Weather Events
National Geophysical Data Center — Drought Variability
National Climatic Data Center — Climate Division Drought Data - Graphing Options
NOAA's Climate Theme Page
NOAA's Climate Diagnostics Center Drought Monitoring — Current and Anticipated Precipitation Anomalies over the U.S.
NOAA's National Centers for Environmental Prediction
NOAA's Office of Hydrology
Regional Climate Centers
North American Drought: A Paleo Perspective
National Drought Mitigation Center — (USA clearing house for drought information)