National Weather Service

Snow Avalanche Guidance
Issued by NWS Reno, NV
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
733
FWUS45 KREV 212134
SAGREV

Tahoe and Eastern Sierra Mountain Forecast
National Weather Service Reno NV
234 PM PDT Thu Aug 21 2025

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CAZ072-NVZ002-221200-
Lake Tahoe and Eastern Alpine County from 7000 to 8000 Feet-
234 PM PDT Thu Aug 21 2025


.TONIGHT...
Sky/Weather.....Mostly cloudy.
Snow Level......Above 12000 feet.
Chc Rain/Snow...0%.
Chc Lightning...0%.
Temperature.....52 to 62.
Mid Slope Wind..West up to 10 mph in the evening becoming light.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...None.


.FRIDAY...
Sky/Weather.....Sunny then becoming partly cloudy. Slight chance of
                showers in the afternoon.
Snow Level......Above 12000 feet.
Chc Rain/Snow...10%.
Chc Lightning...10%.
Temperature.....79 to 85.
Mid Slope Wind..Light winds becoming southwest up to 10 mph in the
                afternoon.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...None.


.FRIDAY NIGHT...
Sky/Weather.....Partly cloudy. Slight chance of showers in the
                evening.
Snow Level......Above 12000 feet.
Chc Rain/Snow...10%.
Chc Lightning...5%.
Temperature.....55 to 63.
Mid Slope Wind..West up to 10 mph in the evening becoming light.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...None.


$$

CAZ072-NVZ002-221200-
Lake Tahoe and Eastern Alpine County Above 8000 Feet-
234 PM PDT Thu Aug 21 2025


.TONIGHT...
Sky/Weather.....Mostly cloudy.
Snow Level......Above 12000 feet.
Chc Rain/Snow...0%.
Chc Lightning...0%.
Temperature.....52 to 60.
Ridge Top Wind..Southwest around 10 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...None.


.FRIDAY...
Sky/Weather.....Sunny then becoming partly cloudy. Slight chance of
                showers in the afternoon.
Snow Level......Above 12000 feet.
Chc Rain/Snow...10%.
Chc Lightning...15%.
Temperature.....73 to 79.
Ridge Top Wind..South 10 to 15 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...None.


.FRIDAY NIGHT...
Sky/Weather.....Partly cloudy. Slight chance of showers in the
                evening.
Snow Level......Above 12000 feet.
Chc Rain/Snow...10%.
Chc Lightning...5%.
Temperature.....53 to 61.
Ridge Top Wind..Southwest 10 to 15 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...None.


$$

CAZ073-221200-
Bridgeport Avalanche Center from 8000 to 10000 feet-
234 PM PDT Thu Aug 21 2025


.TONIGHT...
Sky/Weather.....Partly cloudy.
Snow Level......Above 12000 feet.
Chc Rain/Snow...0%.
Chc Lightning...0%.
Temperature.....51 to 57.
Mid Slope Wind..Southwest around 10 mph. Gusts up to 20 mph in the
                evening.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...None.


.FRIDAY...
Sky/Weather.....Partly cloudy. Chance of showers and thunderstorms
                in the afternoon.
Snow Level......Above 12000 feet.
Chc Rain/Snow...30%.
Chc Lightning...15%.
Temperature.....74 to 80.
Mid Slope Wind..Southwest up to 10 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...Trace amounts.


.FRIDAY NIGHT...
Sky/Weather.....Partly cloudy. Slight chance of showers in the
                evening.
Snow Level......Above 12000 feet.
Chc Rain/Snow...20%.
Chc Lightning...15%.
Temperature.....52 to 58.
Mid Slope Wind..Southwest around 10 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...Trace amounts.


$$

CAZ073-221200-
Bridgeport Avalanche Center Above 10000 Feet-
234 PM PDT Thu Aug 21 2025


.TONIGHT...
Sky/Weather.....Partly cloudy.
Snow Level......Above 12000 feet.
Chc Rain/Snow...0%.
Chc Lightning...0%.
Temperature.....48 to 54.
Ridge Top Wind..South 10 to 15 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...None.


.FRIDAY...
Sky/Weather.....Partly cloudy. Chance of showers and thunderstorms
                in the afternoon.
Snow Level......Above 12000 feet.
Chc Rain/Snow...30%.
Chc Lightning...15%.
Temperature.....68 to 76.
Ridge Top Wind..Southwest 10 to 15 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...Trace amounts.


.FRIDAY NIGHT...
Sky/Weather.....Partly cloudy. Slight chance of showers in the
                evening.
Snow Level......Above 12000 feet.
Chc Rain/Snow...20%.
Chc Lightning...15%.
Temperature.....49 to 55.
Ridge Top Wind..Southwest around 10 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...Trace amounts.


$$

CAZ073-221200-
Eastern Sierra Avalanche Center from 8000 to 10000 feet-
234 PM PDT Thu Aug 21 2025


.TONIGHT...
Sky/Weather.....Partly cloudy then becoming mostly cloudy.
Snow Level......Above 12000 feet.
Chc Rain/Snow...0%.
Chc Lightning...5%.
Temperature.....52 to 60.
Mid Slope Wind..Southwest up to 10 mph. Gusts up to 20 mph in the
                evening.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...None.


.FRIDAY...
Sky/Weather.....Partly cloudy then becoming mostly cloudy. Chance
                of showers and thunderstorms in the afternoon.
Snow Level......Above 12000 feet.
Chc Rain/Snow...30%.
Chc Lightning...20%.
Temperature.....74 to 82.
Mid Slope Wind..Southwest up to 10 mph. Gusts up to 20 mph in the
                afternoon.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...Less than 0.10 inch.


.FRIDAY NIGHT...
Sky/Weather.....Partly cloudy. Slight chance of showers through the
                night.
Snow Level......Above 12000 feet.
Chc Rain/Snow...20%.
Chc Lightning...15%.
Temperature.....52 to 60.
Mid Slope Wind..Southwest up to 10 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...Trace amounts.


$$

CAZ073-221200-
Eastern Sierra Avalanche Center Above 10000 Feet-
234 PM PDT Thu Aug 21 2025


.TONIGHT...
Sky/Weather.....Mostly cloudy.
Snow Level......Above 12000 feet.
Chc Rain/Snow...0%.
Chc Lightning...5%.
Temperature.....46 to 52.
Ridge Top Wind..Southwest around 10 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...None.


.FRIDAY...
Sky/Weather.....Partly cloudy then becoming mostly cloudy. Chance
                of showers and thunderstorms in the afternoon.
Snow Level......Above 12000 feet.
Chc Rain/Snow...30%.
Chc Lightning...20%.
Temperature.....62 to 72.
Ridge Top Wind..Southwest 10 to 15 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...Less than 0.10 inch.


.FRIDAY NIGHT...
Sky/Weather.....Mostly cloudy then becoming partly cloudy. Slight
                chance of thunderstorms in the evening. Chance of
                showers through the night.
Snow Level......Above 12000 feet.
Chc Rain/Snow...25%.
Chc Lightning...15%.
Temperature.....46 to 52.
Ridge Top Wind..Southwest around 10 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...Trace amounts.


$$

CAZ073-221200-
White Mountains-
234 PM PDT Thu Aug 21 2025


.TONIGHT...
Sky/Weather.....Mostly cloudy then becoming partly cloudy.
Snow Level......Above 12000 feet.
Chc Rain/Snow...0%.
Chc Lightning...0%.
Temperature.....49 to 59.
Ridge Top Wind..South 10 to 15 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...None.


.FRIDAY...
Sky/Weather.....Sunny then becoming partly cloudy. Slight chance of
                showers in the afternoon.
Snow Level......Above 12000 feet.
Chc Rain/Snow...25%.
Chc Lightning...15%.
Temperature.....66 to 76.
Ridge Top Wind..South 10 to 15 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...Trace amounts.


.FRIDAY NIGHT...
Sky/Weather.....Partly cloudy. Slight chance of showers in the
                evening.
Snow Level......Above 12000 feet.
Chc Rain/Snow...20%.
Chc Lightning...15%.
Temperature.....50 to 60.
Ridge Top Wind..West 10 to 15 mph.
Low End Snow....No accumulation.
Forecast Snow...No accumulation.
High End Snow...No accumulation.
Liquid Amount...Trace amounts.


$$

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