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Southern Idaho Weather Forecast

Published: Feb. 22, 2021 at 7:44 AM MST|Updated: Dec. 10, 2021 at 6:22 PM MST
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METEOROLOGIST NICHOLAS SNIDER – EVENING UPDATE

Sunday, December 12, 2021

The National Weather Service in Pocatello has issued a Winter Storm Warning for northern and central Blaine county, and a Winter Weather Advisory for Lincoln, northern Minidoka, and southern Blaine counties until 5 AM Tuesday

A very active pattern is expected to set itself up over the entire forecast area. It all starts tonight with steady snow developing over the Wood River Valley. This will continue through Tuesday morning, where 12-18″ of snow are expected in the higher mountain towns, and 8-12″ are expected in the lower mountain towns. Eventually moisture will make its way down into the Magic Valley by Tuesday morning. 3-5″ are expected where precipitation remains all snow, with 1-3″ where rain mixes in (along the river). Up north, an additional 8-18″ are expected, bringing final totals to 18-24″ in the lower mountain towns, 24-30″ in the upper mountain towns, and 30-36″ in the peaks of the mountains. Things cool down briefly, before Thursday where some light snow will occur throughout the entire forecast area. 1-3″ are expected in the Magic Valley, with higher totals in the South Hills. Clearing out will occur throughout the day on Friday and Saturday. Chances of precipitation, although uncertain, do return for Sunday afternoon.

For the latest on all warnings and advisories in Southern Idaho click here

Connect with me on social media: Facebook: Nicholas Snider Twitter: @snider_wx Instagram: @snider_wx

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SUNDAY NIGHT (December 12, 2021)

MAGIC VALLEY: Mostly cloudy, some scattered rain and snow showers after midnight. Lows in the upper 30s and lower 40s. Winds: SSE 15-20 mph.

WOOD RIVER VALLEY: Cloudy with snow. Local areas of heavy snow possible, especially after midnight. Lows in the upper 20s and lower 30s. Winds: SE 10-15 mph. Snow accumulating 5-8″

MONDAY (December 13th)

MAGIC VALLEY: Cloudy with scattered showers and flurries in the morning. Highs in the upper 40s and lower 50s. Winds: SSW 15-20 mph.

WOOD RIVER VALLEY: Cloudy with snow in the morning, and light snow in the afternoon. Highs in the upper 20s and lower 30s. Winds: SE 15-20 mph. Snow accumulating 1-3″

MONDAY NIGHT:

MAGIC VALLEY: Cloudy, with rain and snow. Lows in the upper 20s and lower 30s. Winds: SW 20-25 mph. Snow accumulating 1-3″

WOOD RIVER VALLEY: Cloudy with light snow in the evening, snow after midnight. Lows in the lower and middle 20s. Winds: S 15-20 mph. Snow accumulating 3-5″.

TUESDAY (December 14th)

MAGIC VALLEY: Cloudy, with rain and snow near the Snake River, snow in places away from the river. Highs in the upper 30s and lower 40s. Lows in the upper teens and lower 20s. Snow accumulating 1-3″ near the river, 3-5″ away from the river.

WOOD RIVER VALLEY: Cloudy with snow. Highs in the upper teens and lower 20s. Lows in the lower single digits. Snow accumulating 3-5″.

WEDNESDAY (December 15th)

MAGIC VALLEY: Partly cloudy in the morning, mostly cloudy in the afternoon. Highs in the upper 20s and lower 30s. Lows in the lower and middle 20s.

WOOD RIVER VALLEY: Mostly cloudy. Highs in the upper teens and lower 20s. Lows in the upper single digits and lower teens.

THURSDAY (December 16th)

MAGIC VALLEY: Mostly cloudy with light snow. Highs in the lower and middle 20s. Lows in the upper teens and lower 20s. Snow accumulating 1-3″.

WOOD RIVER VALLEY: Mostly cloudy with light snow showers. Highs in the upper teens and lower 20s. Lows in the lower single digits. Snow accumulating <1″.

FRIDAY (December 17th)

MAGIC VALLEY: Partly sunny. Highs in the lower and middle 20s. Lows in the upper single digits and lower teens.

WOOD RIVER VALLEY: Partly sunny. Highs in the middle and upper teens. Lows in the lower and middle single digits.

SATURDAY (December 18th)

MAGIC VALLEY: Partly sunny. Highs in the lower and middle 20s. Lows in the upper teens and lower 20s.

WOOD RIVER VALLEY: Partly sunny. Highs in the middle and upper teens. Lows in the middle and upper single digits.

SUNDAY (December 19th)

MAGIC VALLEY: Cloudy with a chance of snow showers. Highs in the middle and upper 20s.

WOOD RIVER VALLEY: Cloudy with a chance of snow showers. Highs in the upper teens and lower 20s.