SOUTH LAKE TAHOE, Calif. — A prolonged stretch of winter weather is expected across the Sierra Nevada through the Valentine’s Day weekend and into late February, with cold temperatures and repeated chances for snow continuing from Feb. 14 through Feb. 20.
Daytime highs around South Lake Tahoe are forecast to remain in the upper 20s to low 30s, while overnight lows are expected to fall into the single digits and teens. A series of weak to moderate storm systems will track through the region, bringing periods of snowfall that may vary in intensity but could add up over time, especially at higher elevations.
Snowfall is expected to remain frequent across mountain passes, including Donner Summit and Echo Summit, where travel disruptions are possible during heavier snow bands. While widespread blizzard conditions are not anticipated, brief periods of reduced visibility and snow-covered roadways may develop, particularly overnight and during early morning hours.
Winds will generally remain light to moderate, though gusty conditions could develop along ridgelines as weather systems pass through. These winds may contribute to blowing snow and drifting in exposed areas, further impacting travel and outdoor activities.
Forecasters note that snow levels will remain well below pass elevations throughout the period, ensuring that precipitation falls primarily as snow rather than rain. This pattern favors continued accumulation across ski resorts and backcountry terrain.
No significant warming trend is expected during this time, and temperatures are forecast to remain below seasonal averages through at least the third week of February, reinforcing a persistent winter pattern across the Sierra.
