Lake Tahoe and the Sierra Nevada will continue to see dry conditions for the next week, and possibly longer, according to the National Weather Service. Sunshine and clear skies are in the forecast for the Tahoe Basin through the week. Some clouds could move into the region Friday evening, but they are not expected to bring precipitation. Low temperatures in the region will range from single digits to the high teens, with the exception of Friday, when the low could range from 20 to 30 degrees. High temperatures will range from the mid 40s to low 50s.

The California Department of Water Resources has released a technical memorandum laying out its detailed explanation for widespread cracking that has appeared in concrete placed this year during the Oroville Dam spillway rebuilding project. The report, embedded below recounts measures taken to prevent cracking in the massive slabs intended to serve as the final, finished concrete surface in two large sections of the spillway. The document was compiled after an Oct. 2 Federal Energy Regulatory Commission letter asked DWR to explain the cracks and document their extent.

States, federal and Mexican officials hailed a binational agreement this fall that they said could lead to a radical shift in how the region prepares for and responds to drought. But three months later, they appear no closer to a drought contingency plan, as negotiations have pitted states and water districts against one another, as the U.S. tries to hammer out details of the plan.