Drought Conditions Worsen with Recent Dry Conditions

Updated on Thursday July 18, 2013
The next planned update will be in August. However, it may be updated earlier as conditions change.

Synopsis

Drought conditions as of July 18. Severe /D2/ drought conditions cover Fall River, Bennett, Mellette, Todd and southeastern Jackson counties. Moderate /D1/ drought conditions exist over portions of southwestern Weston and southern Campbell counties in northeastern Wyoming. Moderate /D1/ drought conditions in western South Dakota include eastern Custer, Pennington, Meade, southeastern Perkins, Ziebach, Haakon, Shannon, and most of Jackson counties. In northeastern Wyoming, D0 or abnormally dry conditions cover central Campbell, most of Weston and central Crook counties. In western South Dakota, D0 or abnormally dry conditions covers western Custer, southern Lawrence, eastern Butte, southeastern Harding, most of Perkins, and eastern Tripp counties.

U.S. Drought Monitor

U.S. Drought Monitor High Plains U.S. Drought Monitor

Summary of Impacts

Climate Summary

June temperatures across the entire region were very close to average for the month. The location with the coolest departure from average was Wood, which was 2.1 degrees below normal, while the location with the warmest departure was Newcastle, at 1.3 degrees above normal.

Precipitation in June averaged around 75 percent of normal across the entire area. In the northern Black Hills and Bear Lodge Mountains, precipitation was near normal. South central South Dakota only averaged about 50% of normal precipitation for June. 

Click here for a listing of monthly rainfall reports.

Precipitation and Temperature Outlook

Mainly dry weather and above average temperatures are expected for the rest of July. Average July temperatures are in the upper 80s for highs with lows in the middle 50s. Highs in the Black Hills are typically only around 80 degrees. Precipitation amounts range from two to three inches.

Climate Prediction Center Temperature and Precipitation Outlooks

Temperature Outlook Precipitation Outlook

Climate Prediction Center U.S. Seasonal Drought Outlook

Hydrologic Summary and Outlook

The table below shows reservoir percent of average capacity and feet from full on July 18 according to the Bureau of Reclamation (USBR).

Reservoir

Percent of Normal

Feet from Full

Angostura 66% 10.4 ft
Belle Fourche 90% 2.3 ft
Deerfield 98% 0.9 ft
Keyhole 82% 3.9 ft
Pactola 98% 1.2 ft
Shadehill 82% 4.6 ft

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

Acknowledgements

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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