Drought Information Statement for the Mojave Desert and Eastern Sierra Valid September 30, 2025 Issued By: WFO Las Vegas, NV Contact Information: nws.lasvegas@noaa.gov This product will be updated around October 23, 2025 or sooner if drought conditions change significantly. Please see all currently available products at https://drought.gov/drought-information-statements. Please visit https://www.weather.gov/VEF/DroughtInformationStatement for previous statements. Please visit https://www.drought.gov/drought-status-updates/ for regional drought status updates. Widespread precipitation fell during several monsoonal events, particularly in areas south of the Great Basin. Consistent precipitation and a reduction in the long term deficit allowed for improvement in drought status for several locations. However, most locations recorded below-average precipitation totals for Water Year 2025, which ends on September 30. U.S. Drought Monitor Drought Intensity and Extent D4 (Exceptional Drought): None. D3 (Extreme Drought): Central Nye County, western Lincoln County, and far northern Mohave County. D2 (Severe Drought): Most of Clark, Lincoln, and Mohave counties, far eastern Esmeralda, Inyo, and San Bernardino counties. D1 (Moderate Drought): Western San Bernardino County, sections of central Inyo County, central Esmeralda County. D0 (Abnormally Dry): The Eastern Sierra, Owens Valley, and White Mountains in Inyo County, far western Esmeralda County. Recent Change in Drought Intensity Four Week Drought Monitor Class Change. Drought Worsened: No degradation was observed. No Change: Most of southern Nevada, southeastern California, and northwestern Arizona. Drought Improved: Death Valley in eastern Inyo County, far eastern Clark County and northern Mohave County near Lake Mead, sections of southern Mohave County and eastern San Bernardino County near the Colorado River. Precipitation Parts of eastern San Bernardino and Mohave counties reported over 2 in. of rainfall over the last 30 days. Most valleys in the Mojave Desert reported between .25 and 1.25 in. of rainfall through the month. Flooding throughout the month damaged roadways, urban infrastructure, and buildings. Moisture from the remnants of tropical storm Mario helped boost storm activity on the 18th. Temperature Average maximum temperatures have been near-to-below normal over the last 30 days. Summary of Impacts Hydrologic Impacts Lake Mead is at 1,057.17 feet in elevation, or 31 percent full. Agricultural Impacts There are no known impacts at this time. Fire Hazard Impacts There are no known impacts at this time. Other Impacts There are no known impacts at this time. Mitigation Actions Southern Nevada Water Authority switched to the fall landscape watering schedule. Hydrologic Conditions and Impacts Lake Mead is at 1,057.17 feet in elevation, or 31% full. Lake Mohave is at 639.37 feet in elevation, or 88% full. Lake Havasu is at 448.71 feet in elevation, or 96% full. The Bureau of Reclamation 24-month study indicates that Lake Mead and Lake Mohave will increase, and Lake Havasu will decrease through the first few months of WY 2026. Seven Day Precipitation Forecast Widespread precipitation is not expected over the next seven days outside of a few showers in the southern Great Basin. Long-Range Outlooks The latest monthly and seasonal outlooks can be found on the CPC homepage There is a 40 to 60% probability of above-normal temperatures across the area through December 31. There are equal chances for above- and below-normal precipitation in most of southeastern California and southern Nevada through December 31. There is a 33 to 40% probability of below-normal precipitation in northwestern Arizona through December 31. Drought Outlook The latest monthly and seasonal outlooks can be found on the CPC homepage Drought is expected to persist through at least December 31 for most of southern Nevada, northwestern Arizona, and southeastern California.