Fuente de datos: National Weather Service (NWS) Última verificación: 3 de junio de 2026

Clima invernal

Nota: Los detalles de las alertas del National Weather Service se muestran a continuación en inglés (idioma original de la fuente). Los encabezados, categorías y resumen están en español.

Frost Advisory (AVISO) — expira June 3, 2026 at 8:00 PM EDT

Áreas afectadas: North Central and Southeast Siskiyou County; Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County

Frost Advisory issued June 3 at 4:55AM PDT until June 4 at 8:00AM PDT by NWS Medford OR

• WHAT...Temperatures of 33 to 36 degrees will result in frost formation.

• WHERE...Valleys in Klamath, Lake, eastern Siskiyou and Modoc counties and higher terrain such as the Winter Rim. This includes areas in and around Klamath Falls, Lakeview and Alturas. Localized colder temperatures down to freezing are expected near Silver Lake and Chemult.

• WHEN...From 3 AM to 8 AM PDT Thursday.

• IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Qué hacer: Take steps now to protect tender plants from the cold.

Fuente: NWS Medford OR

Calidad del aire

Air Quality Alert (AVISO) — expira June 3, 2026 at 10:00 PM EDT

Áreas afectadas: Imperial Valley

Air Quality Alert issued June 2 at 9:39AM MST by NWS Phoenix AZ

• WHAT...The Imperial County APCD has issued an air quality alert due to harmful levels of ozone pollution. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels.

• WHERE...the Imperial Valley. Levels of ozone pollution can vary by time and location depending on emissions and air pollution transport.

• WHEN...Wednesday, June 3, 2026 from 7:00 AM to 7:00 PM. The highest ozone levels typically occur in the afternoon and early-evening hours.

• IMPACTS... Ozone air pollution can cause serious health problems, including trouble breathing, asthma attacks, and lung damage. Everyone can be affected, but sensitive groups such as people with lung disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk.

Qué hacer: To protect your health, check air quality levels and act as needed:

• When Air Quality Index (AQI) levels are "Unhealthy for Sensitive Groups" (orange), sensitive groups as specified above should limit extended or intense outdoor activity.

• When AQI is "Unhealthy" (red), everyone may experience health impacts. Sensitive groups should avoid extended time outdoors.

• When AQI is "Very Unhealthy" (purple), sensitive groups should avoid all outdoor physical activity. Everyone else should avoid extended or intense outdoor activity.

• When AQI is "Hazardous" (maroon), everyone should avoid all outdoor physical activity.

• ADDITIONAL DETAILS...

To help keep indoor air clean when air quality is poor:

• Keep windows and doors closed
• Run your air conditioner and/or an air purifier
• Do not use whole house fans or swamp coolers that bring in outside air if you have other methods to stay cool
• Avoid other sources of pollution such as fireplaces, candles, incense, and grilling

To help m...

Fuente: NWS Phoenix AZ

Fuente

Datos de alertas proporcionados por el National Weather Service (NWS). Esta página muestra únicamente alertas activas y se actualiza diariamente. Para información en tiempo real, visite weather.gov.