Weather News

Incoming heat wave will turn up Boise temps to nearly 100 degrees

This weekend in Boise, it’ll likely feel like more like summer than spring, with temperatures nearing 100 degrees.

While early June temperatures are currently normal in Boise, it will soon get much hotter. Sitting at just under 80 degrees on June 4 is fairly standard, according to National Weather Service meteorologist Troy Lindquist.

But that daily temperature will increase gradually for several days, reaching just shy of 100 by this weekend.

Heat wave in Boise

NWS currently forecasts the following high daily temperatures for the Boise area:

  • June 5: 85 degrees

  • June 6: 88 degrees

  • June 7: 94 degrees

  • June 8: 98 degrees

  • June 9: 98 degrees

  • June 10: 95 degrees

What’s causing the increase in temperature?

Increased temperatures in Idaho

All of the Treasure Valley will feel the heat in the coming days, according to Lindquist.

The meteorologist told the Statesman in a phone call that the increased temperatures reflect a shift in a strong high-pressure system currently above the North Pacific. By the weekend, the system will move onto shore, over the Pacific Northwest, impacting temperatures in the entire region.

As the system moves closer, temperatures will rise accordingly. Subsequently, parts of the Pacific Northwest are expected to reach highs above 100 degrees this weekend.

The current 7-day forecast shows the peak of this system will remain through early next week.

Heat wave safety tips

With such high temperatures, it’s important to remain hydrated and practice extreme heat safety, especially if spending time outdoors. Take extra water and sunscreen every time you head outside.

While you may be tempted to cool off with some water recreation, it’s important to remember that increased temperatures are not always reflected in our waters. No matter where you recreate, waters are still too cold this time of year to spend extended durations in lakes or rivers.

“Keep in mind that the water is cold and it can be dangerous,” Lindquist said. He recommends practicing cold water safety to avoid hypothermia.

For example, the Boise River is currently at 52.5 degrees.

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