The California snow forecast brings a cooler, unsettled stretch with light late-May mountain snow from Tuesday through Friday. The main ski-relevant window is Wednesday into Thursday, when showers are most widespread, snow levels are low enough for upper-mountain accumulation, and the highest terrain from Tahoe south to Mammoth can pick up a modest refresh. Mammoth remains the primary lift-served option, while most other operations have shifted out of winter mode, so this is more of a high-elevation refresh than a broad resort powder cycle.
Tuesday starts the pattern change as a colder low drops into the Sierra with gusty winds and scattered showers. The individual models converge on the timing of the colder air and wind, but they keep early snowfall light and somewhat spotty. Snow levels generally fall toward 6,000-7,000 feet as showers develop, with the best accumulation above mid-mountain elevations. Snow quality starts mixed and dense where showers are light, with SLRs mostly in the 4-12 range, and exposed ridges may feel raw as the front moves through.
Wednesday through Thursday is the best-defined part of the forecast, with the individual models converging on continued showers but diverging on exactly where the heavier bands set up. Confidence is strongest from Tuesday morning, May 26 through Friday night, May 29, because the guidance agrees on the broad cold, showery pattern through the full event. The spread is larger on intensity, especially around Kirkwood, Mammoth, and Mt. Rose, but the practical outcome is still a light storm for most areas: upper elevations are favored for 2-7 inches, with the best totals near the crest and the highest southern Sierra terrain. Snow levels mostly run 5,500-8,500 feet during the better showers, then trend higher late Thursday into Friday.
Friday keeps a few lingering showers around the higher terrain before a much drier and warmer pattern returns for the weekend into early next week. The individual models converge well on the dry turn after Friday, with only minor differences in day-to-day temperatures and afternoon wind. Snow levels rise as the storm exits, so any late precipitation becomes less useful for snow quality. Beyond the storm, the outlook favors above-normal temperatures and near to below-normal precipitation for northern California, with near-normal precipitation odds farther south, so expect spring conditions to quickly reassert themselves after this short cool-down.
California Snow Forecast Resort Totals (Tue May 26 – Fri May 29)
- Mt. Rose – 5-7 in
- Kirkwood – 5-7 in
- Mammoth – 5-7 in
- Heavenly – 4-5 in
- Palisades Tahoe – 3-5 in
- Sugar Bowl – 3-4 in
- Bear Valley – 2-4 in
- Northstar – 2-3 in
- Dodge Ridge – 2-3 in
- Diamond Peak – 2 in