First Storms Off the Crest: Reno's November Weather
The valley's rain shadow, the Sierra's snow switch, and the wind events that come with both. What November does to Reno — and why the whole region watches the ridgeline.
Reno's November weather is written in the Sierra. The city sits in the rain shadow immediately east of the crest: Pacific storms climb the range, unload their moisture as snow on the western slope and the ski resorts, and arrive over Reno as wind, clouds and — in the stronger systems — the valley's own rain and snow. November is when the switch flips from the autumn pattern to the winter one, and the whole region reads the ridgeline like a gauge.
For the valley floor, the month typically means highs in the 50s sliding toward the 40s, nights well below freezing, and the first snow that sticks — Reno averages its first measurable snow around this season, though the amount in any given November is a coin the Sierra flips. The Washoe Zephyr, the area's famous afternoon west wind, is a fair-weather feature; November's winds are the storm kind, and the National Weather Service office in Reno — which sits in the valley it forecasts — issues the winter storm warnings and wind advisories that govern everything from I-580 driving to ski-lift operations.
The stakes of the Sierra snowpack are regional and concrete: the Truckee River, Reno's water supply and flood risk alike, is a snowmelt river, and the winter's accumulation in the Tahoe and Truckee basins is the reservoir the valley will spend the following summer. A strong November start does not guarantee a wet winter — the state's forecasters will say so plainly — but the snowpack charts that begin this month are the region's most-watched numbers until April.
Practical November in Reno means the changeover rituals: irrigation systems winterized, the first tire checks for the Sierra passes — where chain controls on Interstate 80 and Mt. Rose Highway become a recurring fact of life — and wood stoves and fireplaces returning to service under the district's air-quality rules on the stillest nights.
Our weather desk will cover the month with attribution and without hype: National Weather Service forecasts, snowpack data from the NRCS gauges, pass conditions from Nevada 511. In Reno, November weather is not small talk. It is the water supply, the ski economy and the commute, arriving on the same wind.