Olema 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 Olema.

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

High Wind Warning issued January 22 at 9:42PM PST until January 23 at 2:00PM PST by NWS Los Angeles/Oxnard CA

* WHAT...Northeast winds 35 to 50 mph with gusts up to 65 mph expected. Isolated gusts to 80 mph are possible at favored mountain locations. * WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, Santa Clarita Valley, Santa Susana Mountains, Southern Ventura County Mountains, Western San Gabriel Mountains and Highway 14 Corridor, and Western Santa Monica Mountains Recreational Area. * WHEN...Until 2 PM PST Thursday. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel will be difficult, especially for high profile vehicles.

Wind Advisory issued January 22 at 9:42PM PST until January 23 at 2:00PM PST by NWS Los Angeles/Oxnard CA

* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph expected. Isolated gusts to 60 mph possible in the foothills. * WHERE...Calabasas and Agoura Hills, Central Ventura County Valleys, Eastern Santa Monica Mountains Recreational Area, Malibu Coast, Southeastern Ventura County Valleys, Ventura County Beaches, Ventura County Inland Coast, and Western San Fernando Valley. * WHEN...Until 2 PM PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Wind Advisory issued January 22 at 9:42PM PST until January 23 at 2:00PM PST by NWS Los Angeles/Oxnard CA

* WHAT...East winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Northern Ventura County Mountains. * WHEN...Until 2 PM PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Frost Advisory issued January 22 at 9:21PM PST until January 23 at 9:00AM PST by NWS San Francisco CA

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay and East Bay Interior Valleys, and Southern Salinas Valley. * WHEN...Until 9 AM PST Thursday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold Conditions can lead to hypothermia with prolonged exposure.

High Wind Warning issued January 22 at 8:19PM PST until January 23 at 6:00PM PST by NWS San Diego CA

* WHAT...Northeast winds 30 to 45 mph with gusts 60 to 75 mph. Strongest winds are expected on mountain foothills and below passes. Local gusts up to 85 mph on the coastal slopes of the San Diego County mountains. * WHERE...Orange County Inland Areas, Riverside County Mountains, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Mountains, San Diego County Valleys, San Gorgonio Pass Near Banning, and Santa Ana Mountains and Foothills. * WHEN...From 6 AM to 6 PM PST Thursday. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles.

Red Flag Warning issued January 22 at 8:12PM PST until January 24 at 10:00AM PST by NWS San Diego CA

..RED FLAG WARNING THROUGH FRIDAY MORNING FOR LOW HUMIDITY AND ADDITIONAL SANTA ANA WINDS FOR ALL MOUNTAINS, INLAND EMPIRE, INLAND ORANGE COUNTY, SAN DIEGO VALLEYS, AND SAN GORGONIO PASS.. * WINDS...Northeast 30 to 45 mph with gusts 60 to 75 mph. Strongest winds are expected on mountain foothills and below passes. Local gusts up to 85 mph on the coastal slopes of the San Diego County mountains. Winds will be strongest on Thursday, gradually weakening into Friday. * RELATIVE HUMIDITY...5 to 10 percent. Overnight humidity recovery will be poor tonight into Thursday, and Thursday night into Friday. * IMPACTS...If fire ignition occurs, conditions are favorable for rapid fire spread and extreme fire behavior. Fuels are critically dry. * LOCATION...San Bernardino and Riverside County Valleys -The Inland Empire, San Diego County Inland Valleys, San Bernardino County Mountains-Including The Mountain Top And Front Country Ranger Districts Of The San Bernardino National Forest, Riverside County Mountains-Including The San Jacinto Ranger District Of The San Bernardino National Forest, Santa Ana Mountains-Including The Trabuco Ranger District of the Cleveland National Forest, San Diego County Mountains- Including The Palomar And Descanso Ranger Districts of the Cleveland National Forest, San Gorgonio Pass Near Banning and Orange County Inland Areas.

Air Quality Alert issued January 22 at 4:14PM PST by NWS San Diego CA

* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of windblown dust and ash. * WHERE...Windblown dust in parts of Riverside County and windblown ash southwest of the Palisades and Eaton impact zones. Winds may also disperse ash from the Hurst, Kenneth, Line, Airport, and Bridge fire burn scars. Pollution levels can vary by time and location depending on emissions and local weather conditions. * WHEN...7 AM through 6 PM Thursday.. * 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 respiratory 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.

Air Quality Alert issued January 22 at 3:18PM PST by NWS Los Angeles/Oxnard CA

* WHAT...The South Coast AQMD has issued an air quality alert due to increased fine particle pollution from wildfire smoke and windblown dust and ash. * WHERE...Wildfire smoke is expected to most heavily impact the San Gabriel Mountains, the I-5 Corridor near Castaic Lake, and Santa Clarita. Other areas that may also be impacted include the San Fernando Valley and coastal areas including Malibu and Pacific Palisades. Windblown ash is expected southwest of the Palisades and Eaton impact zones. Winds may also disperse ash from the Hurst, Kenneth, Line, Airport, and Bridge fire burn scars. Levels of particle pollution can vary by time and location depending on fire activity, emissions and local weather conditions. * WHEN...Wildfire smoke until 10 PM Thursday. Windblown dust and ash 7 AM through 6 PM Thursday. * IMPACTS...Particles in wildfire smoke can get deep into the lungs and cause serious health problems such as heart attacks, strokes, asthma attacks, and difficulty breathing. Everyone can be affected, but 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.

Air Quality Alert issued January 22 at 3:18PM PST by NWS Los Angeles/Oxnard CA

The Ventura County Air Pollution Control District has issued an air quality alert due to increased particulate matter from wildfire smoke in Fillmore/Piru, Santa Paula, Ventura, Oxnard, Camarillo, the Conejo Valley, and Simi Valley/Moorpark. The air quality alert is in effect until 12:00 pm Friday January 24, 2025. Localized air quality could fluctuate depending on wind conditions. Particulate matter can vary hour by hour and change frequently; at times producing unhealthy air quality in Ventura County. Forecast AQI colors are meant to be as representative as possible for the 24-hour day. Air quality may fluctuate and is likely to be better or worse than is indicated for the full day. Exposure to particle pollution can cause serious health problems, aggravate lung disease, cause asthma attacks and acute bronchitis, and increase risk of respiratory infections. Residents are advised to use caution as conditions warrant. People with heart or lung diseases should follow their doctors advice for dealing with episodes of unhealthy air quality. Additionally, people with respiratory or heart disease, older adults, and children should avoid prolonged exposure, strenuous activities or heavy exertion as conditions dictate. For additional information, call the Ventura County Air Pollution Control District at 805.303.3889 (Monday-Friday), visit vcapcd.org, or follow VCAPCD on Twitter (@vcapcd).

Red Flag Warning issued January 22 at 2:14PM PST until January 24 at 10:00AM PST by NWS Los Angeles/Oxnard CA

...RED FLAG WARNING IN EFFECT THROUGH FRIDAY 10 AM PST FOR MOST OF LOS ANGELES AND VENTURA COUNTIES FOR EXTREMELY LOW RELATIVE HUMIDITY AND PERIODS OF GUSTY OFFSHORE WINDS... .Dangerous fire weather conditions will persist through Friday as fuels remain extremely dry fuels and ready to burn, with Thursday the period of greatest concern. Any fire that starts can grow fast and out of control. Red Flag Warnings have been extended through 10am Friday. Northeast winds will strengthen and expand either tonight or Thursday morning, with winds peaking on Thursday. Peak wind gusts of 35 to 50 mph will be common over much of Los Angeles and Ventura Counties, with local gusts of 50 to 65 mph in the favored mountains. Meanwhile, extremely low humidities will persist with minimums under 10 percent over much of the area and poor overnight recoveries. While the winds will gradually weaken and shrink in coverage Thursday Night through Friday morning, pockets of gusty winds and widespread extremely dry conditions will maintain Red Flag Warning conditions through Friday morning. * WINDS...Northeast winds will increase to 20 to 30 mph with gusts to 50 mph by Thursday, then gradually decrease Thursday Night into Friday. * RELATIVE HUMIDITY...Daily minimums of 2 to 10 percent common with very poor to minimal overnight recoveries. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid fire growth, which would threaten life and property.

Red Flag Warning issued January 22 at 2:14PM PST until January 24 at 10:00AM PST by NWS Los Angeles/Oxnard CA

...RED FLAG WARNING IN EFFECT THROUGH FRIDAY 10 AM PST FOR MOST OF LOS ANGELES AND VENTURA COUNTIES FOR EXTREMELY LOW RELATIVE HUMIDITY AND PERIODS OF GUSTY OFFSHORE WINDS... .Dangerous fire weather conditions will persist through Friday as fuels remain extremely dry fuels and ready to burn, with Thursday the period of greatest concern. Any fire that starts can grow fast and out of control. Red Flag Warnings have been extended through 10am Friday. Northeast winds will strengthen and expand either tonight or Thursday morning, with winds peaking on Thursday. Peak wind gusts of 35 to 50 mph will be common over much of Los Angeles and Ventura Counties, with local gusts of 50 to 65 mph in the favored mountains. Meanwhile, extremely low humidities will persist with minimums under 10 percent over much of the area and poor overnight recoveries. While the winds will gradually weaken and shrink in coverage Thursday Night through Friday morning, pockets of gusty winds and widespread extremely dry conditions will maintain Red Flag Warning conditions through Friday morning. * WINDS...Northeast winds will increase to 25 to 35 mph with gusts to 55 mph by Thursday, then gradually decrease Thursday Night into Friday. Isolated gusts of 55 to 65 mph in the favored locations. * RELATIVE HUMIDITY...Daily minimums of 2 to 10 percent common with very poor to minimal overnight recoveries. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid fire growth, which would threaten life and property.

Air Quality Alert issued January 22 at 1:32PM PST by NWS Los Angeles/Oxnard CA

The Ventura County Air Pollution Control District has issued an air quality alert due to increased particulate matter from wildfire smoke in Fillmore/Piru, Santa Paula, Ventura, Oxnard, Camarillo, the Conejo Valley, and Simi Valley/Moorpark. The air quality alert is in effect until 12:00 pm Friday January 24, 2025. Localized air quality could fluctuate depending on wind conditions. Particulate matter can vary hour by hour and change frequently; at times producing unhealthy air quality in Ventura County. Forecast AQI colors are meant to be as representative as possible for the 24-hour day. Air quality may fluctuate and is likely to be better or worse than is indicated for the full day. Exposure to particle pollution can cause serious health problems, aggravate lung disease, cause asthma attacks and acute bronchitis, and increase risk of respiratory infections. Residents are advised to use caution as conditions warrant. People with heart or lung diseases should follow their doctors advice for dealing with episodes of unhealthy air quality. Additionally, people with respiratory or heart disease, older adults, and children should avoid prolonged exposure, strenuous activities or heavy exertion as conditions dictate. For additional information, call the Ventura County Air Pollution Control District at 805.303.3889 (Monday-Friday), visit vcapcd.org, or follow VCAPCD on Twitter (@vcapcd).