August 31, 2017 3:40 p.m.
An Excessive Heat Warning has been issued for the Umpqua Valley for Friday morning through Monday night.
Forecasters at the National Weather Service in Medford say that temperatures will warm 20 to 25 degrees above normal for this time of year. Smoke from wildfires will keep the mercury a bit lower than it might otherwise be, but it will also pose health problems for people that seek relief from the heat by opening windows, or those attempting any outdoor activities.
An Excessive Heat Warning means a prolonged period of dangerously hot temperatures will occur and these temperatures are likely to create a dangerous situation in which heat illnesses are possible.
Highs should be between 100 and 105 with overnight lows between 65 and 75.
The Excessive Heat Warning is in place from Friday at 11`:00 a.m. to Monday night at 11:00 p.m.
An Air Quality Alert is also in effect for all of southern Oregon until further notice. Wildfires in the region combined with the forecast conditions may lead to unhealthy air levels. Officials with the Oregon Department of Environmental Quality say that people should consider moving all activities indoors and cancel or postpone any extended outdoor activity. Children should be kept inside when it is smoky.