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Southern Idaho Weather Forecast

Published: Jan. 26, 2021 at 8:16 AM MST|Updated: Jan. 26, 2021 at 6:28 PM MST
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CHIEF METEOROLOGIST ERIC BRILL – EVENING UPDATE

Tuesday, January 26, 2021

There are winter storm warnings and winter weather advisories all around the Wood River Valley (and points east and west, but of course, that is outside of the viewing area) that are in place for the next few days. As oppose to giving real specific details with this unfolding event, just know that north of Highway 20 has a pretty good chance to see over a foot of snow over the next week, but I really don’t anticipate any real big snow totals (if any, at all) south of Highway 26. Most of the big cities throughout the Magic Valley and Mini-Cassia Region will likely be too warm for snow, and there likely won’t be as much moisture to work with as areas up north will have to work with. The South Hills will likely not have any crazy snow totals with this given event, either.

Here we go! The active weather pattern is about to get going in Southern Idaho, and luckily, there aren’t any real big changes to the forecast compared to that of 24 hours ago.

Showers are going to move into Southern Idaho overnight Tuesday into Wednesday. There is a fair chance that a lot of the region is going to see some sort of shower activity before 9 AM on Wednesday morning, but many towns and cities around the Magic Valley and Mini-Cassia Region will not see anything too crazy from a precipitation standpoint. The big thing for most areas south of Highway 20 (and especially south of Highway 26) will be windy and breezy weather conditions. Sustained winds will likely be in the 10-25 mph range for most of the day around the Magic Valley and Mini-Cassia Region. Those strongest winds will likely be south of I-84.

Don’t get me wrong- there will be some showers around the Magic Valley and Mini-Cassia Region through the rest of the week, but if you are expecting 6″ of snow, and you are in Twin Falls, you are going to be disappointed. Most of the Magic Valley and Mini-Cassia Region will likely see under an inch of total snow through Saturday. I do think that there will be some rain showers around, but the big reason why you won’t see those big snow totals is for one big reason. It likely won’t be cold enough to have some ‘drier’ snowflakes, and allow those totals to add up. Factor in that temperatures near the surface of the Earth are going to limit snow (and instead, deliver rain), and that makes it a lot harder for there to be snow showers. I do think that the South Hills could pick-up a few inches of snow, but there won’t be as much in the way of moisture to work with as areas up north will have.

Snow totals for the towns/cities of Bellevue, Hailey and Ketchum (among others) will likely be right around a foot when this event comes to an end, with a higher chance of seeing over a foot than under a foot. It wouldn’t be a surprise at all if some of the mountain peaks saw over 24″ of snow, but keep in mind that people really don’t like up there. This is ultimately going to be a GREAT event for the ski resorts up north, and should at least start to scratch the surface of the drought situation throughout the Wood River Valley. Even if you don’t like the snow, that should be something you can look forward to!

Drier weather conditions will start to return to Southern Idaho for the weekend. Sunday should be a REALLY nice day for any sort of winter recreational activities you may want to do, as temperatures will warm-up as well. Just keep in mind that some new snow also means an avalanche threat is there as well. I wouldn’t be surprised if the middle and end of next week is another active period of weather, so keep an eye on that as well.

Buckle up, folks! You are likely going to see either a windy next couple of days, or see some solid snow totals! January has been pretty quiet so far, but the end of the month will be active!!

‘<a href=“http://www.kmvt.com/weather/alerts/” target=“_blank”><b> For the latest on all warnings and advisories in Southern Idaho click here… </b></a>

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TUESDAY NIGHT (January 26, 2021)

MAGIC VALLEY: Developing clouds with a slight chance of a snow shower, especially by daybreak. Low: 23. Winds: East to Southeast 5-20 mph.

WOOD RIVER VALLEY: Increasing clouds through the night with a chance of snow showers, which will increase as the night continues along. Low: 19. Winds: Northeast 5-10 mph.

WEDESDAY (January 27th)

MAGIC VALLEY: Cloudy skies with some isolated rain and/or snow showers around. It will be breezy as well. High: 39. Winds: Southeast 10-25 mph.

WOOD RIVER VALLEY: Cloudy skies with snow showers likely. Total accumulations for the day of up to 3-6″ are possible High: 29. Winds: East 5-10 mph.

WEDNESDAY NIGHT:

MAGIC VALLEY: Cloudy skies with some isolated snow and rain showers around Less than an inch of snow is likely. Low: 33. Winds: Southeast to East 10-20 mph.

WOOD RIVER VALLEY: Cloudy skies with scattered snow showers likely through the night. Snow totals through the night of 3-6″ are in the forecast. Low: 25. Winds: East 5-10 mph.

THURSDAY (January 28th)

MAGIC VALLEY: Mainly cloudy skies with some isolated rain and snow showers around. It will be a little bit breezy as well. High: 45. Low: 34. WOOD RIVER VALLEY: Cloudy skies with snow showers likely. Snow totals of 4-8″ are possible for the duration of the day. High: 32. Low: 27.

FRIDAY (January 29th)

MAGIC VALLEY: Cloudy skies with a chance of rain and snow showers around. High: 42. Low: 29. WOOD RIVER VALLEY: Cloudy skies with scattered snow showers around. Another 3-6″ of total snow accumulation is possible High: 34. Low: 17.

SATURDAY (January 30th)

MAGIC VALLEY: Mostly cloudy skies with a slight chance of a rain and/or snow shower. High: 41. Low: 26. WOOD RIVER VALLEY: Partly sunny skies with isolated snow showers around. High: 31. Low: 17.

SUNDAY (January 31st)

MAGIC VALLEY: Partly cloudy skies. High: 43. Low: 27. WOOD RIVER VALLEY: Partly cloudy skies with a slight chance of a snow shower. High: 33. Low: 19.

MONDAY (February 1st)

MAGIC VALLEY: Partly cloudy skies with a slight chance of a shower. High: 45. Low: 27. WOOD RIVER VALLEY: Partly cloudy skies with some isolated snow showers around. High: 33. Low: 20.

TUESDAY (February 2nd)

MAGIC VALLEY: Mainly cloudy skies with some isolated showers around. High: 40. WOOD RIVER VALLEY: Mainly cloudy skies with some isolated snow showers around. High: 32.

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