Active Weather Alerts
Freezing Fog Advisory
Issued: 9:37 PM Jan. 11, 2026 – National Weather Service
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY WITHIN THE VALLEYS IN KLAMATH AND LAKE COUNTY... ...FREEZING FOG ADVISORY IN EFFECT FROM 2 AM TO 11 AM PST MONDAY... * WHAT...For the Air Stagnation Advisory Within the valleys in Klamath and Lake County, poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. For the Freezing Fog Advisory, visibility one quarter mile or less in freezing fog and locally slick conditions. * WHERE...For the Air Stagnation Advisory, within the valleys of Klamath and Lake Counties. For the Freezing Fog Advisory, areas in the Klamath Basin near and south of the Upper Klamath Lake. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Friday. For the Freezing Fog Advisory, from 2 AM to 11 AM PST Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Most outdoor burning will likely be prohibited as poor ventilation continues. Low visibility could make driving conditions hazardous. Locally slick conditions are possible. * ADDITIONAL DETAILS...A strong area of high pressure remains in place. This will lead to poor mixing of the atmosphere and the trapping of pollutants. Early morning conditions may be favorable for areas of dense or freezing valley fog. The high looks to stay in place through the week ahead. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&
Air Stagnation Advisory
Issued: 9:37 PM Jan. 11, 2026 – National Weather Service
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY WITHIN THE VALLEYS IN KLAMATH AND LAKE COUNTY... ...FREEZING FOG ADVISORY IN EFFECT FROM 2 AM TO 11 AM PST MONDAY... * WHAT...For the Air Stagnation Advisory Within the valleys in Klamath and Lake County, poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. For the Freezing Fog Advisory, visibility one quarter mile or less in freezing fog and locally slick conditions. * WHERE...For the Air Stagnation Advisory, within the valleys of Klamath and Lake Counties. For the Freezing Fog Advisory, areas in the Klamath Basin near and south of the Upper Klamath Lake. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Friday. For the Freezing Fog Advisory, from 2 AM to 11 AM PST Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Most outdoor burning will likely be prohibited as poor ventilation continues. Low visibility could make driving conditions hazardous. Locally slick conditions are possible. * ADDITIONAL DETAILS...A strong area of high pressure remains in place. This will lead to poor mixing of the atmosphere and the trapping of pollutants. Early morning conditions may be favorable for areas of dense or freezing valley fog. The high looks to stay in place through the week ahead. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&
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