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Southern Idaho Weather Forecast

Published: Mar. 9, 2021 at 8:00 AM MST|Updated: Oct. 18, 2021 at 7:15 AM MDT
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METEOROLOGIST NICHOLAS SNIDER – EVENING UPDATE

Monday, October 18, 2021

After this storm system makes its way through the forecast area tonight, High pressure will look to build in for Tuesday. This will allow skies to slowly but surely clear out as we go throughout the day. Some lingering low-level moisture should allow for remaining clouds and fog in the valley areas on Tuesday morning, but elsewhere should wake up to mostly sunny skies. During the afternoon hours of Tuesday, and into Wednesday, another weak system will look to make its way into the forecast area, although this one will be far weaker. Still, some clouds should develop as a result of this. This will clear out for Thursday and allow another area of high pressure to develop into the region. Southeasterly flow resulting from this will allow for warmer temperatures to be moved back into the forecast area once again. This will allow cresting in the jet stream to return as well for Thursday. Friday and into the weekend, things look rather interesting. Multiple dips in the jet stream will allow for forcing for precipitation to begin occurring throughout the weekend. With each little dip that comes through, temperatures will become cooler and cooler, eventually lowering temps to near freezing in elevations as low as Hailey by midweek next week. Much more on this pattern will be known as time draws nearer, but it’s definitely something to keep an eye on as we go throughout the next week or so.

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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MONDAY NIGHT (October 18, 2021)

MAGIC VALLEY: Rain and snow showers early in the night (especially in eastern portions of the viewing area), skies clearing up after about 3 AM. Lows in the upper 30s and lower 40s. Winds: WSW 10-15 mph.

WOOD RIVER VALLEY: Rain and snow showers early in the night, especially over southern and eastern portions of the area, skies clearing after about 3 AM. Lows in the middle and upper 30s. Winds: N 5-10 mph.

TUESDAY (October 19th)

MAGIC VALLEY: Partly cloudy in the morning, with patchy fog in the valleys, partly sunny in the afternoon. Highs in the lower and middle 60s. Winds: WàSE 5-10 mph.

WOOD RIVER VALLEY: Mostly sunny in the morning, partly sunny in the afternoon. Highs in the middle and upper 50s. Winds: SE 5-10 mph.

TUESDAY NIGHT:

MAGIC VALLEY: Mostly clear to partly cloudy skies. Lows in the lower and middle 40s. Winds: SWàN 5-10 mph.

WOOD RIVER VALLEY: Mostly clear to partly cloudy skies. Lows in the lower and middle 30s. Winds: ESE 10-15 mph.

WEDNESDAY (October 20th)

MAGIC VALLEY: Partly sunny skies. Highs in the upper 50s and lower 60s. Lows in the lower and middle 40s.

WOOD RIVER VALLEY: Partly sunny skies. Highs in the middle and upper 40s. Lows in the upper 20s and lower 30s.

THURSDAY (October 21st)

MAGIC VALLEY: Mostly sunny and pleasant. Highs in the middle and upper 60s. Lows in the upper 40s and lower 50s.

WOOD RIVER VALLEY: Partly sunny and pleasant. Highs in the middle and upper 50s. Lows in the upper 30s and lower 40s.

FRIDAY (October 22nd)

MAGIC VALLEY: Partly sunny skies. Highs in the middle and upper 60s. Lows in the lower and middle 40s.

WOOD RIVER VALLEY: Partly sunny skies. Highs in the middle and upper 40s. Lows in the lower and middle 30s.

SATURDAY (October 23rd)

MAGIC VALLEY: Mostly cloudy with rain showers in the valley, and snow in the peaks of the south hills. Highs in the upper 40s and lower 50s. Lows in the lower and middle 40s.

WOOD RIVER VALLEY: Mostly cloudy with rain showers, and snow in the peaks of the mountains. Highs in the lower and middle 40s. Lows in the lower and middle 30s.

SUNDAY (October 24th)

MAGIC VALLEY: Mostly cloudy with rain showers in the valley, and snow showers in the South Hills. Highs in the upper 40s and lower 50s. Lows in the lower and middle 40s.

WOOD RIVER VALLEY: Mostly cloudy with rain and snow showers. Highs in the upper 30s and lower 40s. Lows in the upper 20s and lower 30s.

MONDAY (October 25th)

MAGIC VALLEY: Mostly cloudy with rain showers in the valley, and snow showers in the south hills. Highs in the upper 40s and lower 50s. WOOD RIVER VALLEY: Mostly cloudy with snow showers. Highs in the upper 30s and lower 40s.

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