Sherwood, OR 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 Sherwood.

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

Freezing Fog Advisory issued January 18 at 9:57PM PST until January 19 at 12:00PM PST by NWS Medford OR

* WHAT...For the Freezing Fog Advisory within the Illinois and lower Rogue Valley in Josephine County, visibility under 1/4 mile in dense freezing fog. For the Air Stagnation Advisory, decreased air quality will likely continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...For the Freezing Fog Advisory and Air Stagnation Advisory, within the Illinois and lower Rogue Valley in Josephine County. For the Air Stagnation Advisory, valleys in eastern Curry and Josephine County. * WHEN...For the Air Stagnation Advisory, until 4 PM PST Wednesday. For the Freezing Fog Advisory, until noon PST Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Dense freezing fog could make driving conditions hazardous and create some slick surfaces.

Dense Fog Advisory issued January 18 at 9:57PM PST until January 19 at 12:00PM PST by NWS Medford OR

* WHAT...For the Air Stagnation Advisory Within the valleys in Douglas 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 Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Within the valleys of Douglas County. * WHEN...For the Air Stagnation Advisory, until 4 PM PST Wednesday. For the Dense Fog Advisory, until noon PST Monday. * IMPACTS...Dense freezing fog could make driving conditions hazardous and create some slick surfaces. Air quality unhealthy for sensitive groups may develop.

Air Stagnation Advisory issued January 18 at 9:57PM PST until January 21 at 4:00PM PST by NWS Medford OR

* WHAT...For the Freezing Fog Advisory within the Illinois and lower Rogue Valley in Josephine County, visibility under 1/4 mile in dense freezing fog. For the Air Stagnation Advisory, decreased air quality will likely continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...For the Freezing Fog Advisory and Air Stagnation Advisory, within the Illinois and lower Rogue Valley in Josephine County. For the Air Stagnation Advisory, valleys in eastern Curry and Josephine County. * WHEN...For the Air Stagnation Advisory, until 4 PM PST Wednesday. For the Freezing Fog Advisory, until noon PST Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Dense freezing fog could make driving conditions hazardous and create some slick surfaces.

Air Stagnation Advisory issued January 18 at 9:57PM PST until January 21 at 4:00PM PST by NWS Medford OR

* WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants Within the valleys in Jackson County. * WHERE...Valleys in Jackson County. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

Air Stagnation Advisory issued January 18 at 9:57PM PST until January 21 at 4:00PM PST by NWS Medford OR

* WHAT...For the Air Stagnation Advisory Within the valleys in Douglas 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 Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Within the valleys of Douglas County. * WHEN...For the Air Stagnation Advisory, until 4 PM PST Wednesday. For the Dense Fog Advisory, until noon PST Monday. * IMPACTS...Dense freezing fog could make driving conditions hazardous and create some slick surfaces. Air quality unhealthy for sensitive groups may develop.

Air Stagnation Advisory issued January 18 at 9:57PM PST until January 21 at 4:00PM PST by NWS Medford OR

* WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants within the valleys in Klamath and Lake County. * WHERE...The valleys of Klamath and Lake counties. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

Air Stagnation Advisory issued January 18 at 9:09PM PST until January 20 at 4:00PM PST by NWS Pendleton OR

* WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...Portions of central, north central, and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 4 PM PST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

Air Stagnation Advisory issued January 18 at 4:14PM MST until January 22 at 11:00AM MST by NWS Boise ID

* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of southwest Idaho and northeast and southeast Oregon. * WHEN...Until 11 AM MST /10 AM PST/ Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

Air Stagnation Advisory issued January 18 at 11:55AM PST until January 21 at 4:00PM PST by NWS Portland OR

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Central and Southern Willamette Valley, and Tualatin Valley. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.

Beach Hazards Statement issued January 18 at 11:52AM PST until January 20 at 1:00PM PST by NWS Medford OR

* WHAT...Moderate risk of sneaker waves expected. * WHERE...Beaches of Douglas, Coos and Curry Counties. * WHEN...From late Monday evening through early Tuesday afternoon. * IMPACTS...Sneaker waves can run up significantly farther on beaches than normal, including over rocks and jetties. These waves can suddenly knock people off of their feet and sweep them into the ocean. The waves can also move logs or other objects which could crush or trap anyone caught underneath. * ADDITIONAL DETAILS...While sneaker waves can occur at any time, the greatest risk is on an incoming tide. Please be aware of the tides if venturing out onto the beaches. The high tide Tuesday on southern Oregon beaches is roughly 11 am to 1 pm PST. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

Air Quality Alert issued January 17 at 5:41PM PST by NWS Medford OR

Oregon Department of Environmental Quality has issued an Air Pollution Advisory...in effect until noon PST Tuesday. Wildfires burning in the region combined with forecast conditions will cause air quality levels to fluctuate and could be at unhealthy levels. Smoke levels can change rapidly depending on the weather. People at risk include infants and young children, people with heart or lung disease, older adults and pregnant people. People can take the following precautions to protect their health: - Follow local burn restrictions to prevent deteriorating air quality. - Avoid strenuous outdoor activity during periods of poor air quality. - People with heart or lung problems and young children are especially vulnerable. These people should stay indoors while smoke levels are high. - Use certified High Efficiency Particulate Air (HEPA) filters in indoor heating, ventilation, cooling and air purification systems. - Avoid using wood-burning stoves and other sources of indoor smoke if possible. For additional information...please visit the web site at https://oregonsmoke.org

Air Quality Alert issued January 16 at 11:31AM PST by NWS Pendleton OR

Oregon Department of Environmental Quality has issued an Air Quality Advisory until 10 AM PST Tuesday. For the Air Quality Advisory, stagnant air conditions will trap smoke and other air pollutants near the ground where people breathe. Check with your local health or air agency for current restrictions on woodstove use. There are often exceptions for those who use wood exclusively to heat their homes and those with limited income. People can take the following precautions to protect their health: * Follow local burn restrictions to prevent deteriorating air quality. * Avoid strenuous outdoor activity in smoky conditions. * People with heart or lung problems and young children are especially vulnerable. These people should stay indoors while smoke levels are high. * Use certified High Efficiency Particulate Air (HEPA) filters in indoor heating ventilation, cooling, and air purification systems. * Avoid using wood-burning stoves and other sources of indoor smoke if possible. For additional information...please visit the Web site at http://www.oregon.gov/DEQ