**Exceptional drought (D4) conditions on the U.S. Drought Monitor for the week of September 1, 2026, are driven by persistent dryness and high pressure across the Southern and Northern Plains, Upper Midwest, and parts of the Rockies and Pacific Northwest.** The latest USDM map (data valid August 25, released August 27) shows D4 covering about 1.5% of the contiguous U.S., concentrated in areas such as the Nebraska Panhandle, eastern Colorado, northeastern Idaho, and portions of Wyoming and South Dakota, with recent degradations noted in the Southern Plains and Lower Mississippi Valley due to below-normal precipitation and elevated temperatures. Authoritative monitoring from the National Drought Mitigation Center, NOAA, USDA, and NASA integrates precipitation deficits, soil moisture percentiles, streamflow, and vegetation stress to classify D4 as the most intense category. The Climate Prediction Center’s Seasonal Drought Outlook highlights ongoing persistence in these regions amid strong El Niño conditions, while the next USDM update (expected early September) and monthly precipitation outlooks will determine any short-term shifts from late-summer rainfall or continued dry patterns. Traders should monitor official weekly releases for resolution criteria tied to state-level D4 extent.