Hazard Report Provided By forecast.weather.gov

Flood Watch
National Weather Service Reno NV
1259 PM PST Fri Dec 19 2025

.Moderate to heavy rain with high rain/snow elevation (8,000 feet
and higher) Saturday evening through Sunday will lead to significant
rises of rivers, creeks and streams with the potential for minor
flooding.

CAZ071-072-NVZ002-220000-
/O.NEW.KREV.FA.A.0009.251221T1200Z-251223T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lassen-Eastern Plumas-Eastern Sierra Counties-Greater Lake Tahoe
Area-Greater Lake Tahoe Area-
Including the cities of Sierraville, Tahoe City, Westwood,
Loyalton, Markleeville, South Lake Tahoe, Stateline, Glenbrook,
Truckee, Incline Village, Portola, and Susanville
1259 PM PST Fri Dec 19 2025

...FLOOD WATCH IN EFFECT FROM EARLY SUNDAY MORNING THROUGH MONDAY
AFTERNOON...

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...Portions of California, including the Greater Lake Tahoe
  Area and Lassen-Eastern Plumas-Eastern Sierra Counties, including
  the Susan River near Susanville and the West Fork of the Carson
  near Woodfords. Portions of western Nevada, including the Greater
  Lake Tahoe Area.

* WHEN...From early Sunday morning through Monday afternoon.

* IMPACTS...Excessive runoff will result in significant rises of
  rivers, creeks, and streams. Small streams and creeks may overflow
  their banks. Flooding is most likely in urban, low lying, and poor
  drainage areas. Rockfall is also possible in areas of steep
  terrain. No mainstem river flooding is currently forecast, but the
  Susan River near Susanville and the West Fork of the Carson near
  Woodfords are expected to exceed action stage and minor flooding
  is possible in these areas. The Susan River near Susanville may
  experience additional rises mid next week.

* ADDITIONAL DETAILS...
  - Enhanced runoff and sediment transport are likely below
    recent burn areas, but debris flows are not expected. Look
    for river forecast updates at CNRFC.NOAA.GOV
  - 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.

&&

$$

GG

URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
158 PM PST Sat Dec 20 2025

CAZ072-073-NVZ002-220600-
/O.NEW.KREV.WW.Y.0019.251222T0000Z-251222T2100Z/
Greater Lake Tahoe Area-Mono County-Greater Lake Tahoe Area-
Including the cities of Glenbrook, Lee Vining, Markleeville,
Stateline, Bridgeport, Truckee, Coleville, South Lake Tahoe,
Mammoth Lakes, Incline Village, and Tahoe City
158 PM PST Sat Dec 20 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM SUNDAY TO 1 PM PST
MONDAY ABOVE 8000 FEET...

* WHAT...Heavy, wet snow. Snow accumulations of 12 to 18 inches in
  the Tahoe Basin above 8000 feet. Snow accumulations of 18 to 24
  inches in Mono county above 8500 feet. Ridgetop gusts as high as
  100 mph.

* WHERE...Greater Lake Tahoe Area and Mono County above 8000 feet.

* WHEN...From 4 PM Sunday to 1 PM PST Monday.

* IMPACTS...Travel could become very difficult over higher passes,
  including Carson Pass and Mt. Rose Summit. The hazardous
  conditions could impact the Monday morning commute. The
  combination of strong winds and the weight of heavy snow
  accumulations could damage trees and power lines.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

&&

$$

GG

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
139 PM PST Sat Dec 20 2025

CAZ072-NVZ002-221200-
/O.CAN.KREV.LW.Y.0044.251221T0600Z-251222T1200Z/
/O.NEW.KREV.WI.Y.0025.251221T0600Z-251222T1200Z/
Greater Lake Tahoe Area-Greater Lake Tahoe Area-
Including the cities of Glenbrook, Markleeville, Stateline,
Truckee, South Lake Tahoe, Incline Village, and Tahoe City
139 PM PST Sat Dec 20 2025

...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST
MONDAY...

* WHAT...Southwest winds 30 to 40 mph with gusts up to 55 mph. For
  Lake Tahoe, gusts up to 50 mph with wave heights of 2 to 5 feet.
  Ridgetop gusts up to 100 mph.

* WHERE...Greater Lake Tahoe Area.

* WHEN...From 10 PM this evening to 4 AM PST Monday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Small boats, kayaks and paddle boards will be prone to capsizing
  and should remain off lake waters until conditions improve.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio
furniture, holiday decorations, and trash cans before winds increase
which could blow these items away. The best thing to do is prepare
ahead of time by making sure you have extra food and water on hand,
flashlights with spare batteries and/or candles in the event of a
power outage.

&&

$$

Hazard Report Provided By forecast.weather.gov