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Showers to return to the Treasure Valley

This low is going to meander over Idaho through Friday and possibly Saturday.

Over the weekend, we had some occasional showers. The showers were associated with a low that crossed over Idaho on its way to Utah and Nevada. That’s where the low was today and that’s why we enjoyed the sunshine and pleasant temperatures. Well guess what, the low to the south is going to circle back toward Idaho once again. This is what you call a “cut-off” low. When we say “cut-off” it means that the low is no longer under the influence of the main Jet Stream so it will just sit there and spin, or wobble like a top until the Jet Stream comes in and picks it up and moves it away.

This low is going to meander over Idaho through Friday and possibly Saturday. It is going to be a weak feature. But, there could be enough dynamics there to help trigger some spotty showers and isolated thunderstorms especially during the afternoon heating. Temperatures will remain in the mid 70’s. We will still see some sunshine, but you’ll definitely notice some clouds coming back into the picture.

The long range computer models don’t show any big, significant fronts on the way, just a series of weak low’s moving through the state for the next 7 to 10 days. This will be just enough to bring an occasional shower or thunderstorm to the area and weak enough to make the timing of the disturbances difficult to say the least.

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