Marine Weather and Tide Forecast for Penn Valley, CA

Key Messages

* Today-Tuesday: -Light showers and mountain snow showers continue as a weather system moves through -50-80% probability of rain > 0.25" mainly across northern Sacramento Valley, northern Sierra north of Hwy 50, and adjacent foothills -15-35% probability of isolated thunderstorms today and Tuesday, highest chances across north/central Sacramento Valley, foothills and mountains. Thunderstorm chances on Tuesday will be over the Sierra foothills and mountains.
-10-50% probability of 2" snow along the Sierra above 5500 feet, 70-90% probability in the southern Cascades/Lassen Peak

* Mid to Late Week: -Dry weather, seasonable temperatures and occasionally breezy winds -Light showers and isolated thunderstorms (10-20% probability)
across the Sierra Saturday afternoon and evening.

* Sunday - Monday: -Elevated fire weather conditions as gusty northerly winds and low relative humidity overlap in the Sacramento Valley -Probability of gusts 40 mph or higher: 30-50% along and west of I-5 in the Sacramento Valley. Strongest winds on Sunday.

Changes from previous forecast
-Showers and thunderstorm chances possible over the Sierra and southern Cascades Saturday afternoon and evening.

AVIATION

VFR conditions across all TAF sites next 24 hours. Gusty southerly wind gusts 25-30 kts in the lower elevations, and 30-40 kts gusts over the Sierra out of the southwest until 06z Tuesday.
There is a 10-35% chance of isolated thunderstorms across the northern Sacramento Valley, foothills, and mountains until 06z Tuesday and again 18z Tuesday-03z Wednesday over the foothills and Sierra/Southern Cascades, with periods of MVFR conditions.
Gusty and erratic winds near thunderstorms.

STO WATCHES/WARNINGS/ADVISORIES
None.