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A cooler and wildly windy start to the workweek

The daily forecast from Idaho's largest, most experienced team of meteorologists.

BOISE, Idaho — Expect some blustery winds tonight. Winds will be strong enough that a WIND ADVISORY has been issued for the Boise area/Upper Treasure Valley, the western Magic Valley, southern Twin Falls County, the Camas Prairie and the southwest highlands from noon through midnight. Winds out of the northwest could gust as high as 50 mph from Mountain Home to Twin Falls, which is strong enough to toss around light patio furniture or topple trash bins so keep an eye on those outdoor items today.

On Tuesday, temperatures cool even further as a pool of arctic air advances southward across interior Canada. This system will drive a mostly dry cold front across Idaho late Tuesday into Wednesday morning, keeping a chilly wind in play and ushering in our coldest temperatures of the week by Wednesday afternoon into Thursday morning. Frost is possible across the Snake Plain early Thursday, with morning lows down into the teens in the mountains. Moisture with this front is limited, but there is a slim chance of some snow showers in the West Central Mountains as the front passes through.

By Thursday afternoon, a warming trend returns to SW Idaho, with temperatures rebounding back into the 60s in the Treasure Valley through Friday, then up to 70° over the weekend with dry and mostly sunny conditions in SW Idaho. There's a very slight chance of a shower in the central mountains late Saturday into Sunday, but uncertainty at this point is high in how much - if any - precipitation may fall, so stay tuned for updates as the weekend gets closer.

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ALSO: Ada County Highway District traffic map and live cameras

KTVB Weather Team

  • Idaho's Chief Meteorologist Rick Lantz began his broadcasting career in 1975 working in both radio and television in Weiser, Caldwell, Nampa, and Boise. He has been bringing you the weather each weeknight for 40 years on KTVB.
  • Meteorologist Sophia Bliss has been a part of the KTVB team since December of 2019. She started producing for the Wake Up Idaho team and continues to work as a producer. Additionally, Sophia is a meteorologist. She writes special weather stories and forecasts as a member of the First Alert Weather team. She loves the science of weather and enjoys the opportunity to explain how “magic” of the science works. 
  • Meteorologist Rachel Garceau joined KTVB’s First Alert Weather team as a broadcast meteorologist in May of 2023. While Rachel started her news career behind the scenes as a producer, she eventually moved in front of the camera as a news anchor and fill-in weather anchor. After spending some time on the green screen, Rachel realized she had a passion for the “why” behind the weather, and especially for the challenges presented by forecasting Idaho’s four distinct seasons. You can catch her forecasts every weekday morning from 5-7am on Wake Up Idaho.
  • Weather Anchor Hector Mendoza joined KTVB in June of 2023 as a Multi Skilled Journalist and became a member of the First Alert Weather team shortly thereafter, in July of 2023. Hector started off as the weather anchor for KTVB's Saturday Morning News but rang in 2024 by also taking over weather duties for the News at Noon. Whether planning for the week ahead or just wondering what's in store for the weekend, Hector is excited to help keep Idahoans informed about the conditions that matter most to them. You can catch him on Saturday mornings from 8-10am and on the News at Noon Tuesday through Friday. 

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