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Southern Idaho Weather Forecast

Published: Jul. 21, 2020 at 8:01 AM MDT|Updated: Jul. 21, 2020 at 5:08 PM MDT
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CHIEF METEOROLOGIST ERIC BRILL – EVENING UPDATE

Tuesday, July 21, 2020

There is a fire weather warning, or a red flag warning, in place for all of Southern Idaho for Wednesday and/or Thursday. With low humidity values, some breezy conditions, overall dry weather over the past few weeks, and the potential of lightning, any fire that is able to start will have the ability to spread easily and quickly. Let’s keep the fire danger down in Southern Idaho this season!

An incoming cold front as well as some moisture moving through Northern Nevada will result in Southern Idaho seeing some shower and thunderstorm activity for both Wednesday and Thursday. Both of those given days have the highest chance of showers and storms in quite some time, as dry weather and high pressure have generally dominated the weather over the past few weeks. With this incoming cold front and the moisture down to the south coming together over Southern Idaho, it is going to allow for the winds at higher levels of the sky to pick-up. Of course, these winds will stay up there unless something brings it down, which could be in the form of rain. That is one of the big factors for having the red flag warning in place, and the other is the amount of potential lightning that looks to be around.

From a severe weather standpoint, the biggest issue appears to be the wind with this given event. Hail needs a fairly large section of the sky to be within a certain temperature range, and luckily, that range is going to be over a pretty small distance for both Wednesday and Thursday. That isn’t to say that pea-sized hail is impossible, but it isn’t too significant of a threat.

The chance of rain showers and thunderstorms will come down day-by-day from Wednesday through the weekend. I wouldn’t really bank on getting much accumulating rain for most towns, cities, farm areas and just overall land in Southern Idaho. The majority of the region will likely see under 0.10″ of rain over the next few days, which really doesn’t help many people or situations out. Hey, it is better than nothing!!

After this moisture starts to depart, conditions will turn drier, and more sunshine will start to return to Southern Idaho. By early next week, warmer weather will start to return to the region, but even then, it still won’t be all THAT hot (with respect to average). Try to avoid sparking off any fires on Wednesday or Thursday, folks! Mother Nature is already going to give us enough potential issues, and we don’t need to enhance that!!

‘<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 (July 21, 2020)

MAGIC VALLEY: Partly to mostly cloudy skies with a slight chance of a rain shower and/or a thunderstorm, generally after about 4 AM. Low: 66. Winds: South 5-15 mph.

WOOD RIVER VALLEY: Partly cloudy skies. Low: 57. Winds: North 5-10 mph.

WEDNESDAY (July 22nd)

MAGIC VALLEY: Partly sunny skies with a chance of rain showers and thunderstorms. High: 90. Winds: South 5-15 mph.

WOOD RIVER VALLEY: Partly sunny skies with some scattered rain showers and thunderstorms, generally during the afternoon and evening. High: 86. Winds: South 5-10 mph.

WEDNESDAY NIGHT:

MAGIC VALLEY: Partly cloudy skies with some isolated rain showers and thunderstorms, generally before midnight. Low: 61. Winds: East 5-10 mph.

WOOD RIVER VALLEY: Partly to mostly cloudy skies with a chance of rain showers and thunderstorms, generally before midnight. Low: 56. Winds: North 5-10 mph.

THURSDAY (July 23rd)

MAGIC VALLEY: Partly cloudy skies with some isolated rain shower and/or a thunderstorm, especially during the afternoon and evening hours. High: 91. Low: 60.

WOOD RIVER VALLEY: Partly sunny skies with a chance of rain showers and thunderstorms, especially during the afternoon and evening hours. High: 83. Low: 53.

FRIDAY (July 24th)

MAGIC VALLEY: Mostly sunny skies with a slight chance of a PM rain shower and/or a thunderstorm. High: 89. Low: 60.

WOOD RIVER VALLEY: Mostly sunny skies with a slight chance of a PM rain shower and/or a thunderstorm. High: 83. Low: 53.

SATURDAY (July 25th)

MAGIC VALLEY: Mostly sunny skies. High: 90. Low: 61.

WOOD RIVER VALLEY: Mostly sunny skies with a slight chance of a rain shower and/or a thunderstorm, especially during the afternoon and evening hours. High: 85. Low: 53.

SUNDAY (July 26th)

MAGIC VALLEY: Mostly sunny skies. High: 91. Low: 62.

WOOD RIVER VALLEY: Mostly sunny skies. High: 86. Low: 55.

MONDAY (July 27th)

MAGIC VALLEY: Partly cloudy skies. High: 92. Low: 62.

WOOD RIVER VALLEY: Partly cloudy skies. High: 87. Low: 56.

TUESDAY (July 28th)

MAGIC VALLEY: Partly cloudy skies. High: 93.

WOOD RIVER VALLEY: Partly cloudy skies with a slight chance of a rain shower and/or a thunderstorm. High: 89. Copyright 2020 KMVT/KSVT. All rights reserved.

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