Nipomo 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 Nipomo.

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

Winter Storm Warning issued November 24 at 9:59AM PST until November 25 at 4:00PM PST by NWS Eureka CA

* WHAT...Heavy snow expected ABOVE 4500 FEET. Total snow accumulations between 8 and 15 inches. Up to 1 inch possible between 2500 to 3000 feet. Winds gusting as high as 45 mph over the ridges. * WHERE...Northern Trinity. * WHEN...From 1 PM this afternoon to 4 PM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow impacting Highway 3 at Scott Mountain Pass.

Wind Advisory issued November 24 at 9:55AM PST until November 24 at 8:00PM PST by NWS Medford OR

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph. * WHERE...The Shasta Valley of Central Siskiyou County including Weed. * WHEN...Until 8 PM PST this evening. * IMPACTS...Drivers in high profile vehicles will need to use extra caution. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Air Quality Alert issued November 24 at 10:05AM MST by NWS Phoenix AZ

The Imperial County Air Pollution Control District has declared a mandatory wood burning curtailment for residents within the Calexico area for Monday, November 25, 2024. The declaration of a Mandatory curtailment, when forecast indicate elevated levels of fine particulate air pollution in the region, is issued to protect the public health. Smoke from wood burning can cause health problems. Breathing high levels of pollution from wood smoke can cause breathing problems (including asthma attacks), worsened lung and heart disease symptoms, and may even increase emergency room visits and hospitalizations. The Mandatory Curtailment rule prohibits the operation of any wood burning appliances during the curtailment period. This prohibition does not apply to cookstoves and those devices exclusively gaseous- fueled. To view current and forecast air quality within Imperial County visit the Imperial County Air Quality website at http://www.imperialvalleyair.org/ or follow ICAPCD on Twitter, facebook or Instagram (@county_air)

Winter Weather Advisory issued November 24 at 6:30AM PST until November 27 at 10:00AM PST by NWS Las Vegas NV

* WHAT...Snow expected above 7000 feet. Total snow accumulations between 8 and 16 inches, higher amounts possible near the peaks. * WHERE...White and Inyo Mountains. * WHEN...From 4 AM Monday to 10 AM PST Wednesday. * IMPACTS...Roads will likely become slick and hazardous. Travel could be very difficult at times. * ADDITIONAL DETAILS...Snow levels will begin around 7000 feet and increase to 8000 feet during the day Monday. Snow levels will likely fall below 8000 feet again Wednesday morning.

Winter Storm Warning issued November 24 at 6:30AM PST until November 27 at 10:00AM PST by NWS Las Vegas NV

* WHAT...For the Winter Storm Warning, heavy snow expected above 7000 to 8000 feet. Total snow accumulations between 1.5 and 2 feet below 8500 feet and 3 to 5 feet near the crest. Winds gusting as high as 45 mph. * WHERE...Eastern Sierra Slopes. * WHEN...From 4 AM Monday to 10 AM PST Wednesday. * IMPACTS...Roads will become snow covered and hazardous. Travel could be very difficult to impossible. Strong winds could create areas of blowing and drifting snow. * ADDITIONAL DETAILS...Snow levels will begin around 7000 feet and increase to 8000 feet during the day Monday. Peak snowfall rates could approach 2 inches per hour. Snow levels will likely fall below 8000 feet again Wednesday morning.

Flood Advisory issued November 24 at 6:28AM PST until November 25 at 4:00AM PST by NWS San Francisco CA

* WHAT...Small stream flooding caused by excessive rainfall is occurring. * WHERE...A portion of northern California, including the following county, central Sonoma. * WHEN...Until 400 AM PST Monday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 627 AM PST, emergency management reported flooding along Mark West Creek near Mirabel Heights. - Mark West Creek near Mirabel Heights is expected to recede out of flood stage early Monday morning - Some locations that will experience flooding include... Forestville and Graton. - http://www.weather.gov/safety/flood

Wind Advisory issued November 24 at 5:02AM PST until November 24 at 4:00PM PST by NWS Eureka CA

* WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Del Norte County, Humboldt Interior, and Southwestern Humboldt. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Wind gusts will be particularly strong along windward ridges and exposed coastal headlands. There is an increased risk of tree branches and other debris on roadways. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winter Storm Warning issued November 24 at 4:57AM PST until November 27 at 4:00PM PST by NWS Hanford CA

...A LULL IS EXPECTED TODAY IN THE SNOW BEFORE IT RETURNS OVERNIGHT... .The first wave of the winter storm is moving out of the region this morning. The next, more intense wave of snowfall is expected to being overnight into Monday morning and continue into Wednesday. * WHAT...Heavy snow Sierra Nevada above 7000 feet. Additional snow accumulations between 1 and 5 feet. Higher elevation could see up to 7 feet of snow. Winds gusting as high as 50 mph. * WHERE...A portion of central California. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Snowfall will ramp up again overnight tonight for the region.

Winter Weather Advisory issued November 24 at 4:25AM PST until November 27 at 4:00AM PST by NWS Reno NV

* WHAT...Snow accumulations of 5 to 8 inches west of Highway 395 with higher amounts up to 1 foot along ridges. Ridge winds of 25-35 mph and gusts to 50 mph. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...From 4 PM this afternoon to 4 AM PST Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...The strongest winds will be on Monday night into Tuesday morning.

Winter Storm Warning issued November 24 at 4:25AM PST until November 27 at 4:00AM PST by NWS Reno NV

* WHAT...Heavy snow. Snow accumulations between 1 to 2 feet above 7000 feet with isolated higher amounts up to 30 inches near the Sierra crest. At elevations below 7000 feet snow amounts of 5 to 9 inches. Ridge winds will be gusting as high as 75 mph. * WHERE...Greater Lake Tahoe Area. * WHEN...From 7 AM Monday to 4 AM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. Very strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...The strongest winds will be on Tuesday morning.

Winter Storm Warning issued November 24 at 4:25AM PST until November 27 at 4:00AM PST by NWS Reno NV

* WHAT...Heavy snow. Snow accumulations of 1 to 2 feet above 7000 feet with isolated areas near the Sierra crest up to 3 feet. Ridge winds gusting as high as 80 mph. * WHERE...Mono County. * WHEN...From 4 AM Monday to 4 AM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. Very strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...The strongest winds will be on Tuesday morning.

Winter Storm Warning issued November 24 at 3:55AM PST until November 26 at 4:00AM PST by NWS Medford OR

* WHAT...Heavy snow expected mainly above 4000 feet. Total snow accumulations up to 24 inches for remote parts of Mount Shasta. 8 to 12 inches of snow for Snowmans Summit and Dead Horse Summit on Highway 89. Winds could gust as high as 40 mph. * WHERE...Portions of south central Siskiyou County above 4000 feet, including Snowmans Summit and Dead Horse Summit along Highway 89 and Mount Shasta Ski Road. * WHEN...From 10 AM this morning to 4 AM PST Tuesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...The heaviest snowfall, up to 2" per hour, will fall generally between 4 pm and 9 pm on Sunday. The second wave with rates around 1" per hour will occur Monday morning.

Winter Storm Warning issued November 24 at 3:15AM PST until November 27 at 4:00AM PST by NWS Sacramento CA

* WHAT...Heavy snow expected for elevations above 5500 feet. Additional snow accumulations of 1 to 3 feet and up to 4 feet along higher peaks. Wind gusts as high as 40 mph. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park. * WHEN...Until 4 AM PST Wednesday. * IMPACTS...Snow-covered roads, chain controls and travel delays likely. Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Brief lull in snow through this afternoon. Periods of moderate to heavy snow return tonight through early Wednesday morning. Snow levels 4000-5000 feet today, increasing to 5000-6500 feet on Monday, then lowering 4000-5000 feet on Tuesday. 2 to 5 inches of snow possible down to around 5000 feet.