Weather Alerts For Witter Springs, CA
Frost Advisory
-URGENT - WEATHER MESSAGE National Weather Service Eureka CA 950 PM PDT Mon Mar 9 2026 Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southwestern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- Including Legget, Covelo, Calpella, Fieldbrook, Philo, Laytonville, Potter Valley, and Willits 950 PM PDT Mon Mar 9 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM PDT TUESDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Mendocino County, Lake County, and Del Norte and Northern Humboldt Coast. * WHEN...From 3 AM to 9 AM PDT Tuesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...*Frost formation is most likely to occur for NE Mendocino County, including: Legget, Laytonville, Covelo, Willits, and Potter Valley. Other areas in Mendocino county include: Philo and Calpella. *Frost may occur in areas of Lake (Upper Lake), Humboldt (McKinleyville, Blue Lake, and Fieldbrook), and Del Norte (Hiouchi) PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. &&
Pollen Alert
-Pollen Index: 8.8 Pollen Level: medium-high Predominant Pollen: Cedar/Juniper, Alder and Birch Concentration of pollen grains in the air for Monday will be unchanged in the high range. This is a result of stable temperatures. Constant and seasonally normal weather conditions tend to stabilize pollen concentrations in the outdoor air.