Tahoe Daily Snow

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The Repeating Weekend Cooldowns...


Another cool trough moves through for the weekend. Then nicer weather for next week.


We have seen a repeating pattern of weekend troughs bringing cooler air and unsettled weather. That pattern continues this weekend as another cool trough digs in.


Mostly sunny skies continue Thursday into Friday, and likely at times Saturday. Then sunny Sunday into next week.

Saturday looks to have the best chance of scattered showers, especially during the afternoon. Snow levels could dip near 8000 ft. so watch for a few flakes if you are hiking the higher elevations. Overall most of the precipitation is expected to stay to our north with only very light precip amounts forecast this far south through the weekend.


High temperatures near 70 degrees at lake level Thursday and dipping into the 50s on Friday and Saturday. Then warming back into the 60s Sunday and 70s by Monday into next week. Temperatures are usually 3-5 degrees colder for each 1000 ft. you go up the mountain.

Gusty winds for Thursday with ridgetop gusts up to 90+ mph by afternoon from the southwest, and gusts up to 40+ mph on the lake causing rough boating conditions. Friday ridgetop gusts drop to 60+ mph and lake winds are lighter in the morning and gusting to 30+ mph in the afternoon. Lighter winds starting Saturday but afternoon breezes on the lake up to 15-20+ mph as is typical during the summer.

Next Week:

The weather looks dry with highs in the 70s at the lake most of next week. We could see another cool trough by the weekend as the cool weekend trough pattern could continue. We'll take another look at that in next week's post. 

Overall the warmest weather looks to remain over the Central U.S. with no big heatwaves through the end of June. We'll continue to watch the long-range for any chances for heat waves or rain. 

Winter Re-cap:

I'll have more data we can look at over the summer as we look at what happened last season and what we could see during the next ski season. Here is a start as we look at a few stats using the final Central Sierra Snow Lab numbers for the 2021-22 season through the end of May.

We had a dry November and January - March period, but we had a very wet October, December, and April, with near average for May. Add all of that together and total precipitation at the Snow Lab NW of the lake near Donner Summit we saw slightly below average total precip for Oct-May vs the 1970-2021 average.

total precip

Thanks to another La Nina season with colder storms from the north, we saw lower than average snow levels for many of the storms this season. That means the Snow Lab, which sits near 6894 feet, saw more snowfall vs average than total precip vs average. I've been keeping track of this since 1970 and the graph below shows more snow than total precip vs average as a positive number and more total precip than snowfall vs average as a negative.

Basically, it is meant to track if we saw more storms with higher snow levels than lower snow levels. With the earth warming slightly over the last 50 years, the theory is that we would see more higher elevation snow levels with more rain at the lower elevations below 7k feet. You can see that on the trendline, but during colder La Nina seasons like the last 2 and others, we tend to see colder storms and lower snow levels than average.

snow vs rain

Thanks to the colder storms this season we saw slightly above average snowfall even though total precipitation was slightly below average.


That breaks a 2-year streak of below-average snowfall at the Snow Lab. We only saw 3 years below-average one time during the last 50+ years (2011-2015 had 4 in a row). The record is 8 seasons below-average back in 1924-1931. Even though the Snow Lab came in 17 inches over the 1970-2021 average, many areas south of Lake Tahoe saw below-average snowfall this season as the storms hit the north side of the lake and north more frequently.

Here is a look at the snowfall graph for the season. You can see the big jump in December to more than double the snowfall average. That helped to keep us above average until mid-March even though we saw one of the lowest snowfall periods on record Jan-Mar. Then a big April and slightly above average May helped us to finish the season slightly above average.

season graph

Last season we had below-average snowfall but fairly consistent snowfall through the season, and it was cold which limited melting. Last season I dubbed "the best below-average snowfall season" I could remember for skiing. This season I will dub "the worst above-average snowfall season" I can remember...

Despite breaking average several seasons over the last 10 years, the seasons seem to be bigger swings from above average to below average the last several years. Here is a look at the declining snowfall average with time.

snowfall average graph

Here is a look at the average by decade.

snowfall by decade

Hopefully, we are due for some bigger snowfall seasons over the next few years. It does look like we could be headed for a 3rd La Nina season in a row. We can see good snowfall during La Ninas but they favor northern CA with Tahoe on the line between above/below average historically like we saw this season. 

We'll continue to watch the trends through the start of next season. I'll have more stats and analysis through the summer and fall.

Stay tuned...BA


We have been working hard on new features since the ski season ended and we will continue to work hard to bring you more features all summer. We recently launched a 5-day Air Quality Index forecast map!

aqi forecast

That combined with our smoke maps will help you to plan your weekend adventures in the mountains during the summer. We will have more fire/summer weather features coming out soon. To learn more about our air quality and other maps you can read this article...

NEW: Global Air Quality Forecast Map | OpenSnow

...and you should be using the "Maps" page on our site and app, along with all of the other features! Be sure to explore the entire site/app as we continue to add more features, and share with your friends! We appreciate all of your support over the last 12 years. We look forward to many more with you! BA