Scattered thunderstorms with gusty outflow winds up to 55 mph will impact southern Idaho this evening before a brief warming trend pushes Treasure Valley temperatures back toward the upper 90s Tuesday and Wednesday. A gradual cooling trend will then develop through the end of the week, with a cold front potentially dropping temperatures below 80 degrees by Sunday.
Sizzling temps return ahead of weekend cool down in Scott Dorval’s video forecast
Tonight: Thunderstorm Threat for Southern Idaho
Scattered showers and thunderstorms will develop over far southeast Oregon and southern Idaho this evening, generally from Burns, Oregon to the Owyhee Mountains to the Magic Valley. Strong gusty outflow winds up to 55 mph may accompany some storms. Storms will generally weaken into showers as they move northeast into the Snake River Basin, but gusty outflows and blowing dust will still be a threat for the Treasure Valley and surrounding areas. Showers will taper off overnight.
Outdoor plans for this evening should account for the possibility of sudden gusty winds and reduced visibility from blowing dust. Anyone attending outdoor events or activities in the Magic Valley or Treasure Valley should be prepared to seek shelter quickly if storms approach.
Tuesday and Wednesday: Heat Returns to the Treasure Valley
An upper-level ridge axis will remain just east of the area Tuesday and Wednesday, keeping southwest flow over the region and temperatures trending upward. The Treasure Valley will see highs near 96 degrees Tuesday and 97 degrees Wednesday. These temperatures are running about 5 to 8 degrees above the average high for late August in Boise, which typically sits around 89 degrees…