Memorial Day Weekend is quickly turning blustery and cooler. Yet another system is moving south over California this afternoon, bringing yet another period of high winds, blowing dust, cooler temperatures, and even more mountain snow. Just when you thought it was over….

Lenticular clouds are forming over our mountains this afternoon, ahead of yet another cold front.

Lenticular clouds are forming over our mountains this afternoon, ahead of yet another cold front.

The seemingly unending parade of systems continues its next chapter. This latest system is likely to produce the following weather for the Coachella Valley the next 12-24 hours:

  • Areas of snow above 6,000 feet in the local mountains

  • Another round of unhealthy air quality due to blowing dust and high winds up to 50-60 mph in some areas along I-10

  • Closures possible on Indian Canyon Dr. later today and Monday due to sand and low visibility

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Currently, a low pressure system is located over Central California, moving southeast. It will swing east over Arizona and eventually lead to yet another batch of sever weather over the Plains the next few days, exacerbating severe flooding and tornado potential.


For those looking for these abnormally cool temps to end, you will be in luck. A weak trough will linger over the West the remainder of the week, but temps are slowly expected to approach the low end of normal by mid week.

High temps today and Memorial Day will remain WAY below normal, only reaching the high 70s to near 80. However, temps will climb to the low to mid 90s by mid week, with overnight lows mostly in the 60s. There may be some cloudiness in the afternoons and evenings, with a very slight chance of afternoon showers over the nearby mountains at times. For most desert areas though, dry weather is expected from Monday - Friday. Periods of gusty winds are possible at times.


Long range forecast trends indicate the earliest a high pressure system may build over our area is next Sunday or Monday. If this occurs, and that is a big IF…. we could finally see temperatures exceeding 100 degrees. However, at this point, the computer models are not consistent on pushing the low pressure systems away. Let’s see how it goes!


The latest data on the reservoirs throughout California (source: California Department of Water Resources) indicate all but one reservoir in the state is far above historical averages. Take a look at the latest graphic indicating how full the reservoirs currently are, and how much above the historical averages they are (BLUE indicates current capacity, and RED indicated % of historical average at the same time in previous years). Keep in mind, they have purposely left some space in the reservoirs to handle continued high runoff that will occur as temps finally begin to increase throughout the high country further north at some point in the weeks to come.

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In the High Sierras, the storm systems have actually added to the snowpack since April, which is unusual indeed. Most areas are 150% to nearly 180% of normal snowpack for this date in May! This will ensure good healthy river flows into late summer. Take a look at the latest graphic from the California Department of Water Resources below:

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For those following the cool temps of late, take a look how the month has stacked up (Source: National Weather Service):

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The days below normal have outnumbered those above normal, and the cooler temps have been further from normal than the warmer ones. We have at least 2-3 more days below normal, before we begin to trend much closer to normal this week.

Enjoy the Memorial Day holiday everyone!