Sugar Bowl
October 30 in the books — biggest dump on this date: 9.0″ in 2016 (snowed on 1 of 21 recorded years). All-time single day: 38.0″ on Jan 10, 2017.
Stoke today Oct 30
Next 24 hours forecast
Forecast
0.0″
best available forecast · as of Oct 30 15:57
NWS 0.0″ · Open-Meteo 0.2″
Last 24 hours measured
Station
0.0″
Css Lab SNOTEL · 3.6 km · depth 1.0″ · rolling 24 h, observed Oct 30 14:00
Next 48 hours (0.5″ snow · as of Oct 30 15:57)
10-day outlook
Forecast data: National Weather Service; Weather data by Open-Meteo.com (CC BY 4.0); Data from MET Norway (CC BY 4.0) — adapted by SnowAlert.
In the forecaster’s words
Today
A chance of rain and snow. Partly sunny. High near 41, with temperatures falling to around 38 in the afternoon. Southwest wind 5 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
This Afternoon
A chance of rain. Partly sunny. High near 41, with temperatures falling to around 38 in the afternoon. Southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Tonight
A chance of rain before 7pm, then a slight chance of rain and snow between 7pm and 8pm, then areas of frost between 8pm and 10pm, then a chance of snow between 11pm and 2am, then rain and snow likely between 2am and 4am, then patchy fog and rain and snow likely. Mostly cloudy, with a low around 33. Southwest wind 1 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday none expected
Rain and snow before 2pm, then snow showers and a slight chance of thunderstorms between 2pm and 3pm, then showers and thunderstorms between 3pm and 4pm, then snow showers and a slight chance of thunderstorms between 4pm and 5pm, then snow. Cloudy. High near 37, with temperatures falling to around 35 in the afternoon. Southwest wind 2 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night 0–1″
Snow before 1am, then a chance of snow and patchy fog between 1am and 2am, then widespread frost and patchy fog between 2am and 3am, then areas of fog and a chance of snow. Mostly cloudy, with a low around 29. South southwest wind 0 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday none expected
Areas of fog and a chance of snow before 7am, then a chance of snow and patchy fog between 7am and 10am, then widespread frost. Mostly sunny, with a high near 39. West southwest wind 0 to 3 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Regional forecast discussion NWS STO · Oct 29 14:45
Written by the National Weather Service's STO office for its whole forecast area, not for Sugar Bowl alone.
- Mostly dry weather conditions through today - Chances of light rain and mountain snow returns late this evening through Friday for the Sierra - A storm system will bring cooler temperatures, rain and mountain snow above 6000-7000 feet Saturday into Sunday - Winter Weather Advisory in effect from 8 AM Saturday to 7 AM Sunday for elevations above 7000 feet in the Sierra Nevada - High pressure will promote a drying and modest warming for Sunday and Monday - Breezy north to east winds Sunday into Monday
Read the full discussion
000 FXUS66 KSTO 292145 AFDSTO Area Forecast Discussion National Weather Service Sacramento CA 245 PM PDT Thu Oct 29 2026 .KEY MESSAGES... - Mostly dry weather conditions through today - Chances of light rain and mountain snow returns late this evening through Friday for the Sierra - A storm system will bring cooler temperatures, rain and mountain snow above 6000-7000 feet Saturday into Sunday - Winter Weather Advisory in effect from 8 AM Saturday to 7 AM Sunday for elevations above 7000 feet in the Sierra Nevada - High pressure will promote a drying and modest warming for Sunday and Monday - Breezy north to east winds Sunday into Monday && .DISCUSSION... A larger upper-level trough centered over the Northeastern Pacific will continue to deepen offshore today and Friday, with embedded shortwave trough approaching the area this afternoon. High level clouds have been promoting sky obscuration across the area, but mostly dry weather conditions is expected to persist through today. The aforementioned shortwave trough will bring chances of of showers and mountain snow above 7500 feet over portions of the Sierra later this evening through Friday, and tapering off Friday evening. There is a low chance for elevated isolated thunderstorms on Friday. Elsewhere, will see mostly dry weather with mid to high clouds streaming across the area. The aforementioned upper level trough is expected to weaken and moves across the region Saturday through Sunday. A system will moves across the area Saturday into Sunday bringing an increasing chance of rain and mountain snow above 6000-7000 feet. Precipitations amounts has been trending higher with this system, especially over the Sierra. Most likely rain total amounts range 0.5 to 1.5 inch over the mountains and 0.25 to 0.75 for the Sierra foothills. Meanwhile, lighter amounts ranging from a trace to a tenth of an inch are expected for the Valleys and Coast Range. Colder air aloft will bring an increasing instability on Saturday, capable of produce brief heavy downpours and a chance of isolated thunderstorms. Snow levels are expected to be above 7000 feet on Saturday, lowering to 6000-7000 feet Saturday night into Sunday. The snowfall total amounts are also trending higher with this system over portions of the Sierra Nevada, with the heaviest snowfall amounts expected above 7000 feet. NBM probabilities indicates there is a 50% chances of 3 inches or more of snow for the Donner Pass, and a 25% chances for snowfall exceeding 6 inches. Total snow accumulations up to 8 inches, with up to 12 inches at the highest peaks. Minor accumulations of up to 2 inches possible down to 6000 feet. A Winter Weather Advisory is now in effect from 8 AM Saturday to 7 AM Sunday for Northern Sierra above 7000 feet, including Highway 50 and Interstate 80. Ensemble cluster shows a ridge building in right after the trough exits on Sunday. Resulting in drying and modest warming Sunday through early next week. Breezy to east northerly winds are expected to developed across the area, with the strongest winds over the Sierra. && .AVIATION... VFR conditions prevail across interior NorCal next 24 hours. Surface wind gusts generally below 12 knots across Valley TAF sites next 24 hours. Mountain surface wind gusts up to 20 kts. Low to mid-level clouds will move into the Valley around 08z Friday, slightly lowering ceilings at TAF sites. && .STO WATCHES/WARNINGS/ADVISORIES... Winter Weather Advisory from 8 AM Saturday to 7 AM PDT Sunday for Sierra (Cal-Tuo) Above 5000 ft-Sierra (El Dorado-Amador) Above 5000 ft-Sierra (Sierra-Placer) Above 5000 ft. && $$
Sources & last updated
- Data from MET Norway — CC BY 4.0, adapted by SnowAlert fetched Oct 30 14:19
- National Weather Service fetched Oct 30 15:57
- Weather data by Open-Meteo.com, from the ECMWF and NOAA models — CC BY 4.0, adapted by SnowAlert fetched Oct 30 15:08
- USDA NRCS SNOTEL fetched Oct 30 14:35