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Donner Pass I80 Warnings, Watches and Advisories

Winter Weather Advisory

Winter Weather Advisory issued February 26 at 1:31PM PST until February 27 at 4:00AM PST by NWS Hanford CA

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH SUNDAY AFTERNOON... * ADVISORY WHAT...For the Winter Weather Advisory, snow. Additional snow accumulations of up to 8 inches. Winds gusting as high as 50 mph. * WATCH WHAT...For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 2 to 6 feet possible. Winds could gust as high as 55 mph. * WHERE...Sierra Nevada. * WHEN ADVISORY...For the Winter Weather Advisory, until 4 AM PST Tuesday. * WHEN WATCH...For the Winter Storm Watch, from Thursday morning through Sunday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring near whiteout conditions. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes.

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Area
Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area; Sequoia NP

Winter Storm Watch

Winter Storm Watch issued February 26 at 1:31PM PST until March 3 at 4:00PM PST by NWS Hanford CA

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH SUNDAY AFTERNOON... * ADVISORY WHAT...For the Winter Weather Advisory, snow. Additional snow accumulations of up to 8 inches. Winds gusting as high as 50 mph. * WATCH WHAT...For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 2 to 6 feet possible. Winds could gust as high as 55 mph. * WHERE...Sierra Nevada. * WHEN ADVISORY...For the Winter Weather Advisory, until 4 AM PST Tuesday. * WHEN WATCH...For the Winter Storm Watch, from Thursday morning through Sunday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring near whiteout conditions. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes.

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Area
Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area; Sequoia NP

Winter Storm Watch

Winter Storm Watch issued February 26 at 1:31PM PST until March 3 at 4:00PM PST by NWS Hanford CA

* WHAT...Heavy snow possible. Total snow accumulations of 1 to 4 feet possible. Winds could gust as high as 40 mph. * WHERE...South End of the Upper Sierra County. * WHEN...From Thursday morning through Sunday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. * ADDITIONAL DETAILS...Whiteout conditions are possible.

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Area
South End of the Upper Sierra

Winter Storm Watch

Winter Storm Watch issued February 26 at 1:31PM PST until March 3 at 10:00PM PST by NWS Hanford CA

* WHAT...Heavy snow possible. Total snow accumulations of 1 to 2 feet possible above 2500 Feet. * WHERE...Mariposa-Madera Lower Sierra, Fresno-Tulare Lower Sierra, South End of the Lower Sierra, San Joaquin River Canyon and Piute Walker Basin Counties. * WHEN...From late Thursday night through Sunday evening. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Whiteout conditions are possible.

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Area
San Joaquin River Canyon

Winter Storm Watch

Winter Storm Watch issued February 26 at 1:31PM PST until March 3 at 10:00PM PST by NWS Hanford CA

* WHAT...Heavy snow possible. Total snow accumulations of 1 to 2 feet possible. Winds could gust as high as 45 mph. * WHERE...Yosemite Valley. * WHEN...From late Friday night through Sunday evening. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Whiteout conditions are possible.

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Area
Yosemite Valley

Winter Storm Watch

Winter Storm Watch issued February 26 at 1:31PM PST until March 3 at 10:00PM PST by NWS Hanford CA

* WHAT...Heavy snow possible. Total snow accumulations of 1 to 2 feet possible above 2500 Feet. * WHERE...Mariposa-Madera Lower Sierra, Fresno-Tulare Lower Sierra, South End of the Lower Sierra, San Joaquin River Canyon and Piute Walker Basin Counties. * WHEN...From late Friday night through Sunday evening. * IMPACTS...Travel could be very difficult to impossible.

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Area
Mariposa-Madera Lower Sierra; Fresno-Tulare Lower Sierra; South End of the Lower Sierra; Piute Walker Basin

High Wind Watch

High Wind Watch issued February 26 at 1:26PM PST until February 29 at 1:00PM PST by NWS Eureka CA

* WHAT...South winds 30 to 40 mph with gusts up to 65 mph possible on high ridges. * WHERE...Humboldt Interior, and Southwestern Humboldt. * WHEN...From late Wednesday night through Thursday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. Wind gusts will be particularly strong along windward ridges and exposed coastal headlands.

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Area
Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior

High Wind Watch

High Wind Watch issued February 26 at 1:26PM PST until February 29 at 4:00PM PST by NWS Eureka CA

* WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph possible on high ridges. Gusts up to 60 mph possible along the coast. * WHERE...Del Norte County. * WHEN...From Wednesday evening through Thursday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. Wind gusts will be particularly strong along windward ridges and exposed coastal headlands.

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Area
Coastal Del Norte; Del Norte Interior

Winter Storm Watch

Winter Storm Watch issued February 26 at 1:24PM PST until March 1 at 10:00AM PST by NWS Eureka CA

...MAJOR WINTER STORM THURSDAY THROUGH SATURDAY... .A strong snow storm will impact the area beginning early Thursday morning. Snow levels will start above 3000 feet but will gradually drop into the weekend. Snow levels will most likely drop below 1000 feet throughout the area by Saturday morning. Very heavy snow should be expected on highway passes especially in Humboldt, Del Norte, and Trinity Counties. * WHAT...Heavy snow possible for elevations above 2500 feet. Total snow accumulations between 3 and 8 inches possible. Winds could gust as high as 35 mph. * WHERE...Northeastern Mendocino Interior and Northern Lake. * WHEN...From Thursday afternoon through Friday morning. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Snow will continue into Saturday with snow levels falling to lower elevations.

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Area
Northeastern Mendocino Interior; Northern Lake County

Winter Storm Watch

Winter Storm Watch issued February 26 at 1:24PM PST until March 1 at 10:00AM PST by NWS Eureka CA

...MAJOR WINTER STORM THURSDAY THROUGH SATURDAY... .A strong snow storm will impact the area beginning early Thursday morning. Snow levels will start above 3000 feet but will gradually drop into the weekend. Snow levels will most likely drop below 1000 feet throughout the area by Saturday morning. Very heavy snow should be expected on highway passes especially in Humboldt, Del Norte, and Trinity Counties. * WHAT...Heavy snow possible for elevations above 2000 feet. Total snow accumulations between 3 and 12 inches possible. Winds could gust as high as 55 mph. * WHERE...Humboldt Interior. * WHEN...From Thursday morning through Friday morning. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Snow will continue into Saturday with snow levels falling to lower elevations.

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Area
Northern Humboldt Interior; Southern Humboldt Interior

Winter Storm Watch

Winter Storm Watch issued February 26 at 1:24PM PST until March 1 at 10:00AM PST by NWS Eureka CA

...MAJOR WINTER STORM THURSDAY THROUGH SATURDAY... .A strong snow storm will impact the area beginning early Thursday morning. Snow levels will start above 3000 feet but will gradually drop into the weekend. Snow levels will most likely drop below 1000 feet throughout the area by Saturday morning. Very heavy snow should be expected on highway passes especially in Humboldt, Del Norte, and Trinity Counties. * WHAT...Heavy snow possible for elevations above 1500 feet. Total snow accumulations between 6 and 23 inches possible. Winds could gust as high as 70 mph on high peaks. * WHERE...Del Norte Interior. * WHEN...From late Wednesday night through Friday morning. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult to impossible. Tire chains may be necessary if travelling through mountain passes. Very strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Snow will continue into Saturday with snow levels falling to lower elevations.

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Area
Del Norte Interior

Winter Storm Watch

Winter Storm Watch issued February 26 at 1:24PM PST until March 1 at 10:00AM PST by NWS Eureka CA

...MAJOR WINTER STORM THURSDAY THROUGH SATURDAY... .A strong snow storm will impact the area beginning early Thursday morning. Snow levels will start above 3000 feet but will gradually drop into the weekend. Snow levels will most likely drop below 1000 feet throughout the area by Saturday morning. Very heavy snow should be expected on highway passes especially in Humboldt, Del Norte, and Trinity Counties. * WHAT...Heavy snow possible for elevations above 2000 feet. Total snow accumulations between 4 and 13 inches possible. Winds could gust as high as 60 mph. * WHERE...Trinity County. * WHEN...From Wednesday evening through Friday morning. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Snow will continue into Saturday with snow levels falling to lower elevations.

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Area
Northern Trinity; Southern Trinity

Wind Advisory

Wind Advisory issued February 26 at 1:22PM PST until February 27 at 4:00AM PST by NWS Reno NV

* WHAT...West winds 20 to 30 mph with gusts up to 55 mph. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...Until 4 AM PST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

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Area
Lassen-Eastern Plumas-Eastern Sierra Counties

Lake Wind Advisory

Lake Wind Advisory issued February 26 at 1:22PM PST until February 27 at 4:00AM PST by NWS Reno NV

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph and waves 2 to 4 feet for Lake Tahoe. * WHERE...Greater Lake Tahoe Area. * WHEN...Until 4 AM PST Tuesday. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve.

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Area
Greater Lake Tahoe Area; Greater Lake Tahoe Area

Wind Advisory

Wind Advisory issued February 26 at 1:22PM PST until February 27 at 4:00AM PST by NWS Reno NV

* WHAT...For the Wind Advisory, west to northwest winds 20 to 35 mph with gusts up to 60 mph. For the High Wind Watch, southwest winds 30 to 45 mph with gusts up to 75 mph. * WHERE...In California, Surprise Valley California. In Nevada, Northern Washoe County. * WHEN...For the Wind Advisory, until 4 AM PST Tuesday. For the High Wind Watch, from late Wednesday night through Thursday evening. * IMPACTS...Winds through this evening will impact travel and may down tree limbs. Stronger winds Thursday could down trees and power lines leading to power outages and difficult travel conditions.

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Area
Surprise Valley California; Northern Washoe County

High Wind Watch

High Wind Watch issued February 26 at 1:22PM PST until February 29 at 10:00PM PST by NWS Reno NV

* WHAT...For the Wind Advisory, west to northwest winds 20 to 35 mph with gusts up to 60 mph. For the High Wind Watch, southwest winds 30 to 45 mph with gusts up to 75 mph. * WHERE...In California, Surprise Valley California. In Nevada, Northern Washoe County. * WHEN...For the Wind Advisory, until 4 AM PST Tuesday. For the High Wind Watch, from late Wednesday night through Thursday evening. * IMPACTS...Winds through this evening will impact travel and may down tree limbs. Stronger winds Thursday could down trees and power lines leading to power outages and difficult travel conditions.

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Area
Surprise Valley California; Northern Washoe County

Wind Advisory

Wind Advisory issued February 26 at 1:21PM PST until February 27 at 12:00PM PST by NWS San Diego CA

* WHAT...West winds 20 to 30 mph with gusts to 55 mph expected. * WHERE...San Bernardino, Riverside, and San Diego County Mountains, Apple and Lucerne Valleys, San Diego County Deserts and San Gorgonio Pass Near Banning. * WHEN...From 10 PM Monday to noon Tuesday. * IMPACTS...Hazardous driving conditions at times, including mountain passes along Interstates 8 and 10.

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Area
San Bernardino County Mountains; Riverside County Mountains; San Diego County Mountains; Apple and Lucerne Valleys; San Diego County Deserts; San Gorgonio Pass Near Banning

Wind Advisory

Wind Advisory issued February 26 at 11:52AM PST until February 27 at 10:00AM PST by NWS Hanford CA

* WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Indian Wells Valley, Mojave Desert, Mojave Desert Slopes, and South End of the Upper Sierra. * WHEN...From 4 PM this afternoon to 10 AM PST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

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Area
South End of the Upper Sierra; Indian Wells Valley; Mojave Desert Slopes; Mojave Desert

Wind Advisory

Wind Advisory issued February 26 at 12:45PM MST until February 27 at 11:00AM MST by NWS Phoenix AZ

* WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Southwest corner of Imperial County. * WHEN...From 11 PM this evening to 11 AM PST Tuesday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. Minor tree damage possible.

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Area
Imperial County Southwest

Wind Advisory

Wind Advisory issued February 26 at 9:47AM PST until February 27 at 12:00PM PST by NWS Las Vegas NV

* WHAT...Southwest winds 25 to 35 mph with gusts 40 to 50 mph expected. * WHERE...In Arizona, Northwest Plateau. In California, Eastern Mojave Desert and Western Mojave Desert. In Nevada, Southern Clark County. * WHEN...From 4 PM PST /5 PM MST/ this afternoon to noon PST /1 PM MST/ Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Visibility could be reduced at times due to blowing dust.

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Area
Northwest Plateau; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Southern Clark County

Frost Advisory

Frost Advisory issued February 26 at 6:25AM PST until February 27 at 9:00AM PST by NWS San Francisco CA

* WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Sonoma Coastal Range, North Bay Interior Mountains and North Bay Interior Valleys. * WHEN...From 2 AM to 9 AM PST Tuesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. * ADDITIONAL DETAILS...These temperatures will be hazardous to sensitive populations such as unhoused individuals.

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Area
Sonoma Coastal Range; North Bay Interior Mountains; North Bay Interior Valleys

Wind Advisory

Wind Advisory issued February 26 at 3:25AM PST until February 26 at 10:00PM PST by NWS Medford OR

* WHAT...West winds 20 to 35 mph with gusts up to 50 mph expected. * WHERE...In California, Northeast Siskiyou and Northwest Modoc Counties and Modoc County. In Oregon, Central and Eastern Lake County. This includes Summer Lake, the Warner Mountains, Winter Rim, Hart Mountains, Tule Lake Wildlife Refuge, and Likely. * WHEN...From 1 AM to 10 PM PST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds will occur this morning and afternoon. Light snow will accompany the gusty winds with up to an inch for most valley locations, and 2 to 8 inches in the mountains. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

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Area
Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Central and Eastern Lake County

Winter Weather Advisory

Winter Weather Advisory issued February 26 at 2:47AM PST until February 27 at 4:00AM PST by NWS Sacramento CA

* WHAT...Snow expected. Total snow accumulations of 3 to 6 inches, with locally higher amounts of 10 inches at peaks. Winds gusting as high as 45 mph. * WHERE...West Slope Northern Sierra Nevada, including Interstate 80 over Donner Pass and Highway 50 over Echo Summit. * WHEN...From 4 AM Monday to 4 AM PST Tuesday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow levels around 5500 to 6500 feet, lowering to around 4500-5500 feet tonight.

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Area
West Slope Northern Sierra Nevada

Winter Weather Advisory

Winter Weather Advisory issued February 26 at 1:56AM PST until February 27 at 4:00AM PST by NWS Reno NV

* WHAT...Snow above 7000 feet. Snow accumulations 2 to 6 inches except up to 10 inches along the Sierra crest. Wind prone areas along US-395 gusting as high as 65 mph and over 100 mph along the Sierra crest. * WHERE...Mono County. * WHEN...From 6 AM this morning to 4 AM PST Tuesday. * IMPACTS...Travel could be very difficult, especially across area passes. The hazardous conditions could make for longer commute times and possible travel delays. Strong winds could cause damage to trees and power lines.

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Area
Mono

Winter Weather Advisory

Winter Weather Advisory issued February 26 at 1:56AM PST until February 27 at 4:00AM PST by NWS Reno NV

* WHAT...Snow above 6500 feet. Snow accumulations 3 to 6 inches except up to 8 inches along the Sierra crest. Winds gusting as high as 50 mph in valleys and over 100 mph along the Sierra crest. * WHERE...Greater Lake Tahoe Area. * WHEN...From 6 AM this morning to 4 AM PST Tuesday. * IMPACTS...Travel could be very difficult, especially across area passes. The hazardous conditions could make for longer commute times and possible travel delays. Strong winds could cause damage to trees and power lines. * ADDITIONAL DETAILS...Lake waters will be rough and choppy with wave heights 3 to 5 feet on Lake Tahoe.

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Area
Greater Lake Tahoe Area; Greater Lake Tahoe Area
Disclaimer

Currently

Light Drizzle 36°F
29.95in
Barometer
87%
Humidity
South 11.5mph
Wind
Light Drizzle

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