Updated on Thursday, July 26, 2012
Drought conditions as of July 26. Extreme /D3/ drought conditions are located across portions of northeastern Wyoming and western South Dakota. This includes Weston County and southeastern Crook County in northeastern Wyoming as well as Fall River, southern Shannon, Bennett, Todd, southern Tripp, western Custer, extreme western Pennington, Lawrence, most of Butte, southeastern Meade and eastern Pennington counties in western South Dakota. Severe /D2/ drought conditions are located across the rest of northeastern Wyoming, southern Ziebach, Haakon, Mellette and the rest of Butte, Meade, Pennington, Custer Shannon and Trip counties. Moderate /D1/ drought conditions include the counties of Harding, Perkins, and northern Ziebach counties.
The forecast for the rest of July is calling for above average temperatures and below average precipitation. Average highs are in the middle 80s with average lows in the lower 70s. Average precipitation for July is usually between two to three inches.
The outlook for August indicates a greater chance of above average temperatures with equal chances of average, above average, and below average precipitation. Average August high temperatures are in the lower to middle 80s with average low temperatures in the middle to upper 50s. Average precipitation for August is between 1.25 and 2.25 inches.
According to the U.S. Geological Survey, streamflows over the past 28 days are below normal. Some smaller creeks and streams have begun to dry up. However, most large reservoirs are full after four years of above average precipitation.
The table below shows reservoir percent of average capacity on July 26 according to the Bureau of Reclamation (USBR).
|Reservoir||Percent of Normal||Feet from Full|
|Belle Fourche||61%||9.5 ft|
If you have any questions or comments about this drought information please contact,
Drought Focal Point
National Weather Service
300 East Signal Drive
Rapid City South Dakota 57701
The drought monitor is a multi-agency effort involving NOAA's National Weather Service (NWS) and National Climatic Data Center, the United States Department of Agriculture (USDA), state and regional center climatologists, and the National Drought Mitigation Center. Information for this statement has been gathered from NWS and Federal Aviation Administration observation sites, state cooperative extension services, USDA, USBR, and USGS.