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Elev 3700 ft, 39.21 °N, 120.81 °W

Alta, CA Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Alta, CA
Elevation: 3700ft
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Active Weather Alerts

Flood Advisory
Issued: 11:44 PM Dec. 21, 2025 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 1045 PM PST THIS EVENING...

* WHAT...Urban and small stream flooding caused by excessive
rainfall is expected.

* WHERE...Portions of central and northern California, including the
following counties, in central California, Placer. In northern
California, El Dorado and Nevada.

* WHEN...Until 1045 PM PST Sunday.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Dangerous flows over low-water crossings. Water over roadways.
River or stream flows are elevated.

* ADDITIONAL DETAILS...
- At 340 PM PST, local law enforcement reported heavy rain and
flooded streams and creeks in the advisory area. This is
causing urban and small stream flooding. Overflowing poor
drainage areas have already caused minor flooding in the
advisory area. Between 1 and 3 inches of rain have fallen.
- Some locations that will experience flooding
include...Auburn, Blue Canyon, Baxter, Cisco, Soda Springs,
Lake Of The Pines, Colfax, Sugar Pine, Emigrant Gap, Lake
Spaulding, Iowa Hill, Chiquita Lake, Foresthill, Sugarbowl
Ski Resort, Weimar, Kingvale, Meadow Lake, Georgetown, Soda
Springs Ski Area and Donner Peak.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&



Winter Storm Watch
Issued: 8:55 PM Dec. 21, 2025 – National Weather Service
...WINTER STORM WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH
FRIDAY MORNING...

* WHAT...Heavy snow possible. Accumulation amounts uncertain at this
time but may range from around a foot at 5500 feet and 3 to 6 feet
with locally higher amounts at 6500 feet and above. Winds could
gust as high as 55 mph.

* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park including Interstate 80 and Highway 50.

* WHEN...From Tuesday evening through Friday morning.

* IMPACTS...Dangerous travel conditions with chain controls and road
closures possible. Low visibility due to combination of wind and
heavy snow.

* ADDITIONAL DETAILS...Snow accumulations will remain near or above
pass level through Tuesday, then drop to around 5500 feet during
the day Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Check the latest road conditions from Caltrans online at
quickmap.dot.ca.gov or dial 5 1 1.

&&

Flood Watch
Issued: 8:50 PM Dec. 21, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...

* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...A portion of northern California, including the following
areas, the Sacramento Valley, northern San Joaquin Valley, Delta
region, Sierra Nevada and adjacent foothills, and Coastal Range.

* WHEN...Through Friday afternoon.

* IMPACTS...Excessive runoff will result in rises along area rivers,
creeks, streams. Small streams and creeks may rise out of their
banks. Flooding may occur in low-lying, poor drainage, and urban
areas. Mudslides and rockslides may occur in mountain and foothill
areas.

* ADDITIONAL DETAILS...
- Periods of moderate to heavy rain are forecast the week of
Christmas. Debris flows are not expected over recent burn
scars, but do anticipate enhanced runoff in/below scars.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

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