Provided above are current weather outlooks for Crestline to Big Bear, that are issued by the National Weather Service including, Warnings, and Watches. These are posted daily or as needed. Along with the Current Trends are, “This Day in History”, posted along side of any Alerts or Weather Warnings that are pertinent for the Crestline and other Mountain Communities around the Lake Arrowhead to Big Bear areas. Such as, Thunder Storm Warnings, Snow, or Winter Weather Warnings, High Wind Warnings or Advisories for the San Bernardino Mountain communities that have been issued by the National Weather Service. Also the latest Drought information for California as well as a general five Day Precipitation and Temperature Forecast for all of California. The Weather in the San Bernardino Mountain Communities varies greatly by elevation and location. We have the Deep Creek area to the North of the Lake Arrowhead area where Hiking, Camping, and Off Road activities, that all can be impacted by quick moving Summer Storms, and any other outdoor activities in those areas. We also have several lakes for recreation such as, Lake Gregory, Lake Arrowhead, Green Valley Lake as well as Big Bear Lake, where swimming, fishing, and boating can be impacted by local Weather events anytime of the year. So along with the main page for lakegregoryweather.com, this is also a good source of information for the San Bernardino Mountain Communities at a quick glance.