NWS FORECAST -- Hot temperatures are expected through next week for the Inland Northwest. The National Weather Service issued a Heat Advisory for Monday and Tuesday across the Columbia Basin and Yakima Valley.
The Columbia River Basin and Columbia River Gorge at elevations below 1000 feet will experience the hottest temperatures, with readings of 100 to 110 degrees possible on Monday and Tuesday afternoon.
Most areas below 2000 feet will experience triple digit heat.
It will be warm at night too so little relief from the heat is expected until the ridge of high pressure breaks down later in the week.
Isolated thunderstorms will be possible over the Cascades, Central Oregon and the Eastern Oregon mountains this Friday afternoon and evening.
A slight chance of thunderstorms will continue overnight and Saturday morning in the Columbia Basin and the eastern mountains, then spread across the region for Saturday afternoon and evening.
Temperatures will continue to heat up each day with highs about 10 degrees above normal on Saturday and Sunday. Even hotter temperatures are expected for the coming week.
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