Weather blog: Could we have our first 90 degree day?

Twin Falls, Idaho (KMVT/KSVT) Is it just me or does it feel like we went from winter directly to summer? Sure the spring of 2017 has had a few warm days but it sure feels like the cooler wetter days outnumbered the nice days this spring. Now that Memorial Day is behind us and the unofficial start to summer is here, our weather resembles more like summer. Could we hit 90 for the first time in 2017 this week? The answer is yes.

While not a guarantee, 90 is definitely a possibility for some in Southern Idaho by Wednesday and maybe for a few on Tuesday. Thanks to a large ridge of high pressure that has slowly been warming us up since the weekend, very warm temperatures are likely Tuesday and peaking on Wednesday. It is possible Southern Idaho Valleys could reach 90 for the first time Wednesday before changes arrive by Thursday and the end of the week.

Temperatures usually are their warmest right before a cold front works into a region and that will be the case Wednesday. Highs will be in the upper 80s to near 90 and winds will also begin to increase. Could see a southerly wind reaching 20 mph. The system Wednesday night into Thursday could bring a chance of showers and storms and also knock temperatures down by 15 degrees. Even with the drop, temperatures Thursday and Friday will be closer to seasonably averages of 74 degrees.

The rain won’t last and by the weekend we begin to warm back up into the 80s for the weekend. The down side to these warmer temperatures is the rapid snowmelt in the mountains. Parts of the Wood River Valley have a current snowpack that is 300% above seasonal average. All that water will melt and run into area rivers and streams. The latest National Weather Service forecast for the Big Wood River has it peaking at around 6.6 feet by Thursday and Friday.



 
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