Drought Conditions Expand Across Western South Dakota and Northeastern Wyoming

Updated on Thursday March 28, 2013


Drought conditions as of March 28. Exceptional /D4/ drought conditions are located across portions of South Dakota and Wyoming. Locations in northeastern Wyoming include Weston County and far southeastern Campbell County. In South Dakota, locations include southwestern Fall River, southeastern Meade, southern Ziebach, eastern Pennington, Jackson, Haakon, northwestern Mellette, far northeastern Shannon, and far southern Tripp counties. Extreme /D3/ drought conditions cover the remaining portion of southern Campbell County along with southern Crook County in northeastern Wyoming. In South Dakota extreme /D3/ drought covers Harding, Perkins, Butte, northern Ziebach, northern and western Meade, central Pennington, eastern Custer, northeastern Fall River, the remaining portion of Shannon, Bennett, Todd, southeastern Mellette, and the rest of Tripp County. The remaining portions of northeastern Wyoming were classified as severe /D2/ drought conditions. In South Dakota, location of severe /D2/ drought include Lawrence, western Pennington, and western Custer counties.

U.S. Drought Monitor 

Smmary of Impacts

Climate Summary

For March, temperatures and precipitation were below average across northeastern Wyoming and western South Dakota. The average temperature in March is in the upper 20s to lower 30s. Average March precipitation ranges from around an inch on the plains to two inches in the northern Black Hills.

Precipitation and Temperature Outlook

The outlook for April is for equal chances of above or below average temperatures and precipitation. Average high temperatures for April are in the 50s to lower 60s with average low temperatures in the upper 20s to lower 30s. The average precipitation for April is around two inches on the plains with three inches in the northern Black Hills. 

Hydrologic Summary and Outlook

The table below shows reservoir percent of average capacity on March 28 according to the Bureau of Reclamation (USBR).

Reservoir Percent of Normal
Angostura 68%
Belle Fourche 67%
Deerfield 98%
Keyhole 80%
Pactola 91%
Shadehill 67%

Questions or Comments

If you have any questions or comments about this drought information please contact,

Melissa Smith
Drought Focal Point
National Weather Service
300 East Signal Drive
Rapid City South Dakota 57701
Telephone 605-341-9271
E-mail melissa.smith@noaa.gov


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.

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