Confidence is very high ( 90% chance ) a heat wave will impact locations west of the Cascades next week. The heat wave is anticipated to last around 5 to 6 days.
The heat will pose a high threat of heat related illness for those without effective cooling or adequate hydration during red days. Lightning threat increases towards next week in northern California.
FOR MORE INFORMATION
A strong and somewhat unusual heat wave, 1 in 2 year event , will move over the region between Sunday and Thursday(8/17) next week. The threat of heat related illness is highest between Tuesday and Wednesday when there is about a 15% – 25% chance of high temperatures exceeding 110 degrees in Medford, Oregon. In addition, this will be the
3rd and 4th day of the heat event. The risk of heat related illness is higher towards the middle and end of the event. In addition, there is a 15% chance of thunderstorms within 25 miles of any location in northern California next week. For the latest forecast updates, visit weather.gov/Medford.