The work week started with an unseasonably warm afternoon as temperatures reached 90° in Meridian, 88° in Boise, and 87° in Mountain Home on Monday. On Tuesday, it warmed to around 80° in the valley with lots of sunshine while it remained partly cloudy in central Idaho with isolated shower.
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A strong storm system off the northern Pacific coast will impact the area's weather throughout the rest of the week. A cold front moves through on Wednesday afternoon continuing to drop temperatures. It will be a partly cloudy day in the Treasure Valley with a slight chance of showers in central Idaho.
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Closer to the weekend, the low pressure system moves into the region. An unseasonably cool air mass is anticipated for the weekend with highs struggling to reach 60° in the valley and 50 °in higher elevations. Scattered showers impact lower elevations, mixing with snow above 6000'. Some snow accumulation is likely in central Idaho in these higher elevations.
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