A Winter Weather Advisory has expired in the Treasure Valley but remains in effect in the western Magic Valley and areas north of the Snake Basin through tonight. Snow will continue to melt and mix with rain tonight, up to 4000 feet MSL.
Precipitation will decrease from southwest to northeast by morning, then increase again Thursday afternoon through Friday associated with a northward-moving warm front. Temperatures will continue to rise, with highs Thursday in the 30s in the mountains to mid-40s in the valleys, and Friday in the 40s in the mountains to lower 50s in the lowest valleys.
The long-term forecast indicates broad upper-ridging building off the Pacific coast over the weekend, with a series of embedded shortwave troughs continuing to move into the Pacific Northwest through early next week.
Tonight: Rain and snow tapering off after midnight with patchy icy spots possible. Lows around 33.
Thursday: Clouds with a little sun early then cloudy with rain developing by 5 pm in Boise, with highs near 45.
Friday: Partly to mostly cloudy & unseasonably mild, with highs near 51.
Saturday: Partly cloudy, with highs near 44.
Sunday: Partly cloudy, with highs near 44.
Monday: Partly sunny, with highs near 41.
Tuesday: Partly sunny, with highs near 39.
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