Temperatures soared well above normal again on Monday with highs into to the upper-50s in the valley. Very little if any rain has fallen in the valley as strong SE winds have dried out the air. In the central mountains we have seen a few inches of snow above 6000ft.
Another atmospheric river is pounding southern California with historic rains. Some of that moisture will make its way into Idaho on Tuesday. Most of that precipitation will fall east of Boise and highway 55 affecting the Sun Valley area the most with more heavy snow in the mountains. West of Boise on Tuesday I expect it to be partly to mostly cloudy with high temps near 50°. Boise see rain in the afternoon, possibly heavy at times with over a thired of an inch of rain. This line of rain may settle around Caldwell meaning western areas like Ontario and Weiser may not see much if any rain.
I do expect it to get a bit colder Thursday and Friday and there is a chance of some light snow on Friday morning.
Skiing this coming weekend could be some of the best all season as the central mountain ski areas could see this much snow through this coming weekend:
Bogus: 10"
Tamarack: 10"
Brundage: 14"
Sun Valley: 16"
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