Drought Information Statement for Northeastern Wyoming and Western South Dakota Valid August 29, 2024 Issued By: National Weather Service Rapid City, SD Contact Information: nws.rapidcity@noaa.gov This product will be updated September 27, 2024 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/unr/DroughtInformationStatement for previous statements. Please visit https://www.drought.gov/drought-status-updates for regional drought status updates. Extreme (D3) Drought expanded across northeastern Wyoming, the Black Hills, and far northwestern South Dakota Extreme (D3) Drought to Abnormally Dry Conditions extend across all of northeastern Wyoming and most of western South Dakota. 1 U.S. Drought Monitor Link to the latest U.S. Drought Monitor for northeastern Wyoming and western South Dakota Drought intensity and Extent D4 (Exceptional Drought): None occurring. D3 (Extreme Drought): Portions of Weston, Campbell, far western Pennington, and Harding Counties. D2 (Severe Drougt): Portions of counties along the Wyoming/South Dakota border and South Dakota/Montana border. D1 (Moderate Drought): Portions of Perkins, Butte, Meade, Pennington, Lawrence, Custer, & Oglala Lakota, Jackson, Mellette, and Todd Counties in South Dakota and Crook County Wyoming. D0: (Abnormally Dry): The rest of western South Dakota. Precipitation: Last 30 Days Much of the area had below normal precipitation over the past 30 days. Portions of northeastern Wyoming were significantly below average over the past 30 days. The lack of precipitation over the past 30 days has begun to impact portions of south-central South Dakota as seen on the 30-Day Percent of Normal Precipitation graphic to the right. Summary of Impacts Links: See/submit Condition Monitoring Observer Reports (CMOR) and view the Drought Impacts Reporter Hydrologic Impacts Most streams and rivers are below normal to normal for this time of the year. Additional information from the USGS may be found here. Agricultural Impacts USDA Crop Progress and Condition reports: South Dakota and Wyoming. Fire Hazard Impacts Please visit Great Plains Fire Information for the latest fire restrictions. Other Impacts Current 100- and 1000-hr fuels are very dry and herbaceous fuels continue to dry down and cure. Even with ample precipitation the warm-season grasses will struggle to come back. Mitigation Actions Rapid City’s annual mandatory water conservation measure continues through August 31. Gillette’s water waste ordinance continues through October 1. Long-Range Outlooks The latest monthly and seasonal outlooks can be found on the CPC homepage Temperatures for September are expected to lean toward above average, with much of the area having a 33% to 50% chance of warmer-than-normal temperatures. Odds favor below average precipitation for September with a 33% to 40% chance of below-normal precipitation. Drought Outlook The latest monthly and seasonal outlooks can be found on the CPC homepage Drought conditions are expected to further develop or persist over all of northeastern Wyoming and portions of western South Dakota. Links to the latest: Climate Prediction Center Monthly Drought Outlook Climate Prediction Center Seasonal Drought Outlook