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Southern Idaho Weather Forecast

Published: Mar. 18, 2021 at 8:35 AM MDT|Updated: Oct. 15, 2021 at 7:14 AM MDT
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METEOROLOGIST NICHOLAS SNIDER – EVENING UPDATE

Saturday, October 16, 2021

A storm system is expected to make its way through the forecast area throughout the day on Monday. A cold front should slide through, along with an area of low pressure during the morning hours, between 6 and 8 AM, tomorrow morning. Ahead of the front, dry air will persist near the surface, allowing precipitation to stay away from the area for the time being. However, after the front passes, and a surge of rising warm air over the front occurs, surface temperatures will cool, allowing moisture content to increase in the lower levels, and generating some scattered showers (rain in the valleys, snow in the mountains), more likely over southern portions of our forecast area. Where the snow does fall, up to 3″ are possible (this will likely occur only in the peaks of the south hills. Elsewhere, expect rain (in lower elevations), and only a coating-1″ in the lower elevations of the south hills and in the Wood River Valley. Pleasant weather returns by midweek, before another system will work its way through the area from Friday to Sunday. This will allow precipitation to fall as rain (in the valleys), and snow (in the mountains) once again. More on this system will be known in later days.

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 (October 16, 2021)

MAGIC VALLEY: Clouds and wind on the increase. Lows in the lower and middle 50s. Winds: SSW 15-20 mph.

WOOD RIVER VALLEY: Clouds and wind on the increase. Lows in the upper 30s and lower 40s. Winds: ESE 15-20 mph.

MONDAY (October 18th)

MAGIC VALLEY: Cloudy with scattered afternoon rain and snow showers (in the mountains) and windy conditions. Snow accumulating 1-3 inches in the peaks, less than an inch in the lower elevations of the south hills. Highs in the upper 50s and lower 60s. Winds: WSW 15-20 mph.

WOOD RIVER VALLEY: Cloudy with isolated afternoon rain and snow showers (in the mountains), with windy conditions. Snow accumulating less than an inch. Highs in the upper 40s and lower 50s. Winds: SEàN 10-15 mph.

MONDAY NIGHT:

MAGIC VALLEY: Clouds and precipitation on the decrease, but clouds should still linger overnight. Lows in the upper 30s and lower 40s. Winds: WSW 10-15 mph.

WOOD RIVER VALLEY: Clouds and precipitation on the decrease. Lows in the upper 20s and lower 30s. Winds: NE 5-10 mph.

TUESDAY (October 19th)

MAGIC VALLEY: Lingering valley clouds in the morning, then clearing skies in the afternoon. Highs in the lower and middle 60s. Lows in the lower and middle 40s.

WOOD RIVER VALLEY: Partly sunny skies. Highs in the upper 40s and lower 50s. Lows in the upper 20s and lower 30s.

WEDNESDAY (October 20th)

MAGIC VALLEY: Mostly sunny in the morning, then partly sunny in the afternoon. Highs in the lower and middle 60s. Lows in the lower and middle 40s.

WOOD RIVER VALLEY: Mostly sunny in the morning, partly sunny in the afternoon. Highs in the middle and upper 40s. Lows in the lower and middle 30s.

THURSDAY (October 21st)

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

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

FRIDAY (October 22nd)

MAGIC VALLEY: Mostly cloudy with evening rain showers in the valley, and snow in the peaks of the south hills. Highs in the upper 50s and lower 60s. Lows in the upper 30s and lower 40s.

WOOD RIVER VALLEY: Mostly cloudy with evening rain showers, and snow in the peaks of the mountains. Highs in the middle and upper 40s. Lows in the upper 20s and lower 30s.

SATURDAY (October 23rd)

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

SUNDAY (October 24th)

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

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

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