North Placerville, CA (near 4,500 ft. elevation - 95667)

Wx Discussion - Wx Hazards - Wx Special Statements

Weather Forecast Discussion

804
FXUS66 KSTO 122016
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
116 PM PDT Mon May 12 2025

For additional details on weather and expected impacts over the
next 7 days, please visit weather.gov/sto/briefing.

.Discussion...

.Synopsis...
A weather system will bring chances for light showers, mountain
snow showers and isolated thunderstorms through Tuesday. Drier
weather will follow with seasonable temperatures and occasionally
breezy winds. Isolated showers and thunderstorms possible over the
Sierra and southern Cascades Saturday. Gusty northerly winds and
low relative humidity may bring elevated fire weather conditions
across the Sacramento Valley late weekend into early next week.

&&

.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.
&&

$$

Hazardous Weather Outlook

View a Different U.S. Hazardous Weather Location (In alphabetical order by state) Birmingham, Alabama Huntsville, Alabama Mobile, Alabama Anchorage, Alaska Fairbanks, Alaska Juneau, Alaska Flagstaff, Arizona Phoenix, Arizona Tucson, Arizona Little Rock, Arkansas Eureka, California Los Angeles/Oxnard, California Sacramento, California San Diego, California San Francisco Bay Area, California San Joaquin Valley/Hanford, California Denver/Boulder, Colorado Grand Junction, Colorado Pueblo, Colorado Jacksonville, Florida Key West, Florida Melbourne, Florida Miami, Florida Tallahassee, Florida Tampa Bay Ruskin, Florida Atlanta/Peachtree, Georgia Honolulu, Hawaii Boise, Idaho Pocatello/Idaho Falls, Idaho Lincoln, Illinois Chicago/Romeoville, Illinois Indianapolis, Indiana Northern Indiana, Indiana Des Moines, Iowa Quad Cities, Iowa Dodge City, Kansas Goodland, Kansas Topeka, Kansas Wichita, Kansas Jackson, Kentucky Louisville, Kentucky Paducah, Kentucky Lake Charles, Louisiana New Orleans/Baton Rouge, Louisiana Shreveport, Louisiana Caribou, Maine Gray, Maine Baltimore/Washington, Maryland Taunton, Massachusetts Detroit/Pontiac, Michigan Grand Rapids, Michigan Marquette, Michigan Gaylord, Michigan Duluth, Minnesota Twin Cities/Chanhassen, Minnesota Jackson, Mississippi Kansas City/Pleasant Hill, Missouri Springfield, Missouri St. Louis, Missouri Billings, Montana Glasgow, Montana Great Falls, Montana Missoula, Montana Hastings, Nebraska North Platte, Nebraska Omaha/Valley, Nebraska Elko, Nevada Las Vegas, Nevada Reno, Nevada Albuquerque, New Mexico Philadelphia/Mt Holly, New Jersey Albany, New York Binghamton, New York Buffalo, New York New York City, New York Newport/Morehead City, North Carolina Raleigh/Durham, North Carolina Wilmington, North Carolina Bismarck, North Dakota Grand Forks, North Dakota Wilmington, Ohio Cleveland, Ohio Norman, Oklahoma Tulsa, Oklahoma Medford, Oregon Pendleton, Oregon Portland, Oregon State College, Pennsylvania Philadelphia/Mt Holly, Pennsylvania Pittsburgh, Pennsylvania Charleston, South Carolina Columbia, South Carolina Greenville/Spartanburg, South Carolina Aberdeen, South Dakota Rapid City, South Dakota Sioux Falls, South Dakota Knoxville/Tri-Cities, Tennessee Memphis, Tennessee Nashville, Tennessee Amarillo, Texas Austin/San Antonio, Texas Brownsville, Texas Corpus Christi, Texas Dallas/Fort Worth, Texas El Paso, TX/Santa Teresa, Texas Houston/Galveston, Texas Lubbock, Texas Midland/Odessa, Texas San Angelo, Texas Salt Lake City, Utah Burlington, Vermont Baltimore/Washington DC, Virginia Blacksburg, Virginia Wakefield, Virginia Seattle/Tacoma, Washington Spokane, Washington Charleston, West Virginia Green Bay, Wisconsin La Crosse, Wisconsin Milwaukee/Sullivan, Wisconsin Riverton, Wyoming Pago Pago, America Samoa iyan, Guam San Juan, Puerto Rico

Public Information Statement [ If Any ]