Alpine County Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Alpine County.

Use the Radar Maps link provided to understand the trajectory of a storm.

Wind Advisory issued April 17 at 12:31AM PDT until April 17 at 5:00PM PDT by NWS Las Vegas NV

* WHAT...North winds 30 to 40 mph with gusts up to 55 mph. * WHERE...In Arizona, Lake Havasu and Fort Mohave and Lake Mohave - AZ side. In California, San Bernardino County-Upper Colorado River Valley. In Nevada, Lake Mohave - NV side. * WHEN...Until 5 PM PDT / MST this afternoon. * IMPACTS...Winds this strong can make driving difficult, especially for high-profile vehicles, particularly along east-west thoroughfares including Interstate 40. Strong winds will elevate wave heights on Lake Mohave and Lake Havasu to between 2 and 4 feet, making boating dangerous, especially for small craft. * ADDITIONAL DETAILS...Isolated gusts to 60 mph are possible near Laughlin, Bullhead City, and Katherine Landing. These gusts are expected to be isolated in space and time.

Wind Advisory issued April 17 at 12:31AM PDT until April 17 at 5:00AM PDT by NWS Las Vegas NV

* WHAT...North-northwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Portions of northwestern Arizona, southeastern California, and south-central and southern Nevada. * WHEN...Until 5 AM PDT / MST early this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high-profile vehicles, particularly along east-west thoroughfares including Interstate 15 and Interstate 40. Strong winds will elevate wave heights on Lake Mead to between 2 and 4 feet making boating dangerous, especially for small craft.

Wind Advisory issued April 17 at 12:31AM PDT until April 17 at 11:00AM PDT by NWS Las Vegas NV

* WHAT...North winds 20 to 30 mph with gusts up to 50 mph. * WHERE...In Arizona, Hualapai Mountains and Northwest Deserts. In California, Cadiz Basin, Eastern Mojave Desert, Morongo Basin, and Western Mojave Desert. In Nevada, Southern Clark County. * WHEN...Until 11 AM PDT / MST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high-profile vehicles, particularly along east-west thoroughfares including Interstate 15 and Interstate 40.

Wind Advisory issued April 16 at 10:33PM PDT until April 17 at 11:00AM PDT by NWS Hanford CA

* WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Indian Wells Valley and Mojave Desert. * WHEN...Until 11 AM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Highways impacted include, but are not limited to, State Routes 14, 58, 178, and U.S. 395.

Wind Advisory issued April 16 at 10:33PM PDT until April 17 at 11:00AM PDT by NWS Hanford CA

* WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph. * WHERE...Mojave Desert Slopes. * WHEN...Until 11 AM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Highways impacted include, but are not limited to, State 58, 178, and U.S. 395.

Wind Advisory issued April 16 at 9:49PM PDT until April 17 at 2:00AM PDT by NWS San Diego CA

* WHAT...West winds 15 to 25 mph with gusts to 45 mph expected. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 2 AM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Wind Advisory issued April 16 at 9:49PM PDT until April 17 at 5:00PM PDT by NWS San Diego CA

* WHAT...North to northeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Orange County Inland Areas, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, and Santa Ana Mountains and Foothills. * WHEN...From 5 AM to 5 PM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Frost Advisory issued April 16 at 8:46PM PDT until April 17 at 9:00AM PDT by NWS Eureka CA

* WHAT...Temperatures as low as 33 could result in frost formation. * WHERE...Del Norte, Humboldt, and Mendocino Coast, and Southern Mendocino Interior. * WHEN...From 2 AM to 9 AM PDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Freeze Warning issued April 16 at 8:46PM PDT until April 17 at 9:00AM PDT by NWS Eureka CA

* WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Humboldt Interior, Northern Mendocino Interior, Interior Del Norte, Southern Trinity, Northern Lake, Northwestern and Central Trinity, Northeastern Trinity, and Western Lake. * WHEN...From 2 AM to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Wind Advisory issued April 16 at 8:09PM PDT until April 17 at 3:00AM PDT by NWS Los Angeles/Oxnard CA

* WHAT...North winds 15 to 25 mph with gusts up to 40 mph. * WHERE...Interstate 5 Corridor, Northern Ventura County Mountains, Santa Barbara County Interior Mountains, and Southern Ventura County Mountains. * WHEN...Until 3 AM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Wind Advisory issued April 16 at 8:09PM PDT until April 17 at 2:00PM PDT by NWS Los Angeles/Oxnard CA

* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Calabasas and Agoura Hills, Central Ventura County Valleys, Santa Clarita Valley, Santa Susana Mountains, Southeastern Ventura County Valleys, Ventura County Beaches, Ventura County Inland Coast, Western San Fernando Valley, and Western Santa Monica Mountains Recreational Area. * WHEN...From 7 AM to 2 PM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Wind Advisory issued April 16 at 8:09PM PDT until April 17 at 2:00PM PDT by NWS Los Angeles/Oxnard CA

* WHAT...Northeast winds 25 to 35 mph with gusts up to 55 mph expected. Local gusts to 65 mph. * WHERE...Eastern San Gabriel Mountains and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...From 4 AM to 2 PM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Wind Advisory issued April 16 at 8:09PM PDT until April 17 at 8:00AM PDT by NWS Los Angeles/Oxnard CA

* WHAT...North winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Santa Lucia Mountains. * WHEN...Until 8 AM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Wind Advisory issued April 16 at 8:09PM PDT until April 17 at 3:00AM PDT by NWS Los Angeles/Oxnard CA

* WHAT...North winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Santa Barbara County Southwestern Coast, Santa Ynez Mountains Eastern Range, and Santa Ynez Mountains Western Range. * WHEN...Until 3 AM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Wind Advisory issued April 16 at 12:03PM MST until April 17 at 1:00PM MST by NWS Phoenix AZ

* WHAT...North winds 20 to 30 mph with gusts 40 to 50 mph expected. * WHERE...Western portion of Joshua Tree National Park, Eastern portion of Joshua Tree National Park, Southeastern Imperial County, Parker Valley, Chuckwalla Mountains, Chiriaco Summit, Palo Verde Valley, and Chuckwalla Valley. * WHEN...From 3 AM MST/PDT to 1 PM MST/PDT Friday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne.

Freeze Warning issued April 16 at 10:43AM PDT until April 17 at 11:00AM PDT by NWS Medford OR

* WHAT...For the Frost Advisory, temperatures as low as 34 degrees will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 25 degrees expected. * WHERE...In California, Western Siskiyou County. In Oregon, Eastern Curry County and Josephine County and Jackson County. This includes the Illinois, Applegate, Rogue, and Klamath River valleys. * WHEN...From midnight tonight to 11 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Freeze Warning issued April 16 at 1:28AM PDT until April 17 at 8:00AM PDT by NWS Reno NV

* WHAT...Sub-freezing temperatures with lows 21 to 27 degrees Friday morning. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...From 11 PM this evening to 8 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Freeze Warning issued April 16 at 1:28AM PDT until April 17 at 8:00AM PDT by NWS Reno NV

* WHAT...Sub-freezing temperatures with lows 20 to 25 degrees Friday morning. * WHERE...In California, Surprise Valley California. In Nevada, Northern Washoe County. * WHEN...From 11 PM this evening to 8 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Air Quality Alert issued April 15 at 5:21PM MST by NWS Phoenix AZ

* WHAT...The Imperial County APCD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...Imperial County. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...11 AM Thu Apr 16 to 5 PM Fri Apr 17. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk.