U.S. Alerts  
El Dorado Weather Logo
U.S. Color IR Sat North America Color Background Satellite Thumb
Norcal Dual-Pol Radar Live Northern California Doppler Radar Thumbnail Image
W. Coast IR Satellite West Coast Infrared Satellite
Live Lightning Radar Placerville California Lightning Detection Radar Thumbnail Image
Live Streaming Webcam Placerville California Live Streaming WebCam Thumbnail Image
Local Wx Station Data Sacramento, Northern Sierra Nevada & the Motherlode Area Current Weather Conditions

Sierra County Alerts
Skywarn Logo
Noaa Logo
Noaa Logo 2
NOAA's National Weather Service
Each location shows all alerts on one page:
WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
Updated:November 22, 2024 11:16 am PST

Winter Storm Warning WINTER STORM WARNING  
Sierra County

Effective: Fri, 11/22 11:08am Severity:  Severe 
Updated: November 22, 2024 11:16 am Urgency: Expected
Expires: Sat, 11/23 3:15am Certainty: Likely

Areas Affected: Western Plumas County/Lassen Park - West Slope Northern Sierra Nevada
 
Alert Details:
* WHAT...Heavy snow expected for elevations above 5500 feet. Total
snow accumulations of 1 to 4 feet and up to 5 feet along higher
peaks.

* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park Counties.

* WHEN...From 4 PM this afternoon to 4 PM PST Tuesday.

* IMPACTS...Snow-covered roads, chain controls and travel delays are
likely which will result in very difficult travel at times above
5500 feet.

* ADDITIONAL DETAILS...Snow levels this afternoon will be high from
6000-7000 feet, then quickly lowering to around 5000 feet Saturday
morning. Snowfall will decrease in intensity from late Saturday
afternoon into Sunday, followed by heavy snow at times again
Monday and Tuesday.

Information:
Check the latest road conditions from Caltrans online at
quickmap.dot.ca.gov or dial 5 1 1.
Winter Storm Warning WINTER STORM WARNING  
Sierra County

Effective: Fri, 11/22 3:48am Severity:  Severe 
Updated: November 22, 2024 11:16 am Urgency: Expected
Expires: Sat, 11/23 4:00am Certainty: Likely

Areas Affected: Lassen-Eastern Plumas-Eastern Sierra Counties - Greater Lake Tahoe Area - Greater Lake Tahoe Area
 
Alert Details:
* WHAT...For the Winter Storm Warning today: Heavy snow. Snow
accumulations between 1 to 2 feet above 7,000 feet and up to 3
feet at the highest peaks. 2 to 6 inches below 7,000 feet.
Southwest winds 25 to 35 mph with gusts up to 55 mph. Ridge wind
gusts will reach up to 125 mph. For the Winter Storm Watch
Sunday-Tuesday: Heavy snow with 3-8 inches below 7000 feet and 1
to 3 feet above 7000 feet.

* WHERE...Greater Lake Tahoe Area, and Lassen-Eastern Plumas-Eastern
Sierra Counties.

* WHEN...For the Winter Storm Warning, from 10 AM this morning to 10
PM PST Saturday. For the Winter Storm Watch, from late Sunday
night through Tuesday afternoon.

* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Friday evening and Monday
morning commutes. Very strong winds could cause extensive damage
to trees and power lines.

Information:
Monitor the latest forecasts for updates on this situation.

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.
Flood Advisory FLOOD ADVISORY  
Sierra County

Effective: Fri, 11/22 9:01am Severity: Minor
Updated: November 22, 2024 11:16 am Urgency: Expected
Expires: Sat, 11/23 9:00am Certainty: Likely

Areas Affected: Butte, CA - Colusa, CA - Glenn, CA - Lassen, CA - Plumas, CA - Shasta, CA - Sierra, CA - Sutter, CA - Tehama, CA - Yuba, CA
 
Alert Details:
* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...A portion of northern California, including the following
counties, Butte, Colusa, Glenn, Lassen, Plumas, Shasta, Sierra,
Sutter, Tehama and Yuba.

* WHEN...Until 900 AM PST Saturday.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways. Ponding of water in urban or other areas is
occurring or is imminent. Increasing water levels along streams
and creeks with enhanced runoff in the Park Fire burn scar.

* ADDITIONAL DETAILS...
- At 901 AM PST, Doppler radar and automated rain gauges
indicated heavy rain. Minor flooding is already occurring in
the advisory area. Between 3 and 10 inches of rain have
fallen.
- Additional rainfall amounts up to 4 inches are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Chico, Paradise, Oroville, Pulga, Mineral, Brush Creek Rs,
Chester, Quincy, Palermo, Shingletown, Glenn, Gridley, East
Quincy, Mill Creek, Butte Meadows, Stirling City, Lovelock,
De Sabla Powerhouse, Storrie and Forest Ranch.
- http://www.weather.gov/safety/flood

Information:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Flood Advisory FLOOD ADVISORY  
Sierra County

Effective: Thu, 11/21 1:22pm Severity: Minor
Updated: November 22, 2024 11:16 am Urgency: Expected
Expires: Sat, 11/23 12:00pm Certainty: Likely

Areas Affected: Lassen, CA - Plumas, CA - Sierra, CA
 
Alert Details:
* WHAT...Minor flooding is possible for the Susan River, small
creeks and streams, and on or near recent burn scars. This does
not include the Middle Fork of the Feather or the Pit River in
Lassen County.

* WHERE...A portion of northeast California, including the following
counties, Lassen, Plumas and Sierra.

* WHEN...Until noon PST Saturday.

* IMPACTS...Minor flooding possible along low lying areas near the
Susan River in and downstream of Susanville, as well as near other
creeks, streams, urban areas. Rock and debris may cover roads
especially near or below recent burn areas.

* ADDITIONAL DETAILS...
- At 112 PM PST, Rounds of high elevation snow and heavy rain
are forecast today through Saturday morning before
transitioning to snow.
- Total rainfall amounts of 3 to 6 inches are expected over the
area. The Susan River has been slow to rise as of Thursday
afternoon, but additional rainfall may result in minor
flooding.
- Some locations that will experience flooding include...
Eagle Lake, Termo, Herlong, Beckwourth, Doyle, Blairsden,
Plumas Eureka State Park, Graeagle, Chilcoot, Bieber,
Sierraville, Nubieber, Stampede Reservoir, Verdi, Susanville,
Standish, Janesville, Aspen Grove Campground, Antelope Lake
and Spaulding.
- http://www.weather.gov/safety/flood
For river forecast updates, visit cnrfc.noaa.gov

Information:
Sand bagging maybe required to protect low lying property along the
Susan River and small creeks and streams.

Be aware of you surroundings, don't drive on flooded roads.
Winter Storm Watch WINTER STORM WATCH  
Sierra County

Effective: Fri, 11/22 3:48am Severity:  Severe 
Updated: November 22, 2024 11:16 am Urgency: Future
Expires: Sat, 11/23 4:00am Certainty: Possible

Areas Affected: Lassen-Eastern Plumas-Eastern Sierra Counties - Greater Lake Tahoe Area - Greater Lake Tahoe Area
 
Alert Details:
* WHAT...For the Winter Storm Warning today: Heavy snow. Snow
accumulations between 1 to 2 feet above 7,000 feet and up to 3
feet at the highest peaks. 2 to 6 inches below 7,000 feet.
Southwest winds 25 to 35 mph with gusts up to 55 mph. Ridge wind
gusts will reach up to 125 mph. For the Winter Storm Watch
Sunday-Tuesday: Heavy snow with 3-8 inches below 7000 feet and 1
to 3 feet above 7000 feet.

* WHERE...Greater Lake Tahoe Area, and Lassen-Eastern Plumas-Eastern
Sierra Counties.

* WHEN...For the Winter Storm Warning, from 10 AM this morning to 10
PM PST Saturday. For the Winter Storm Watch, from late Sunday
night through Tuesday afternoon.

* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Friday evening and Monday
morning commutes. Very strong winds could cause extensive damage
to trees and power lines.

Information:
Monitor the latest forecasts for updates on this situation.

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.