City of La Grande Road Conditions

Alerts!

Grand Ronde Valley; Weather Alert
Wind Advisory, *NOAA Issue Date: 1/16/2017 09:40:00 AM Air Stagnation Advisory in effect through Tuesday morning ... . High pressure will prevail through Tuesday morning ... With a strong temperature inversion which will trap pollutants near the surface. Surface winds will stay below 10 MPH expect in the grande ronde Valley. Areas of freezing fog will also be possible. A storm system will start eroding the surface inversion Tuesday. ... Air Stagnation Advisory remains in effect until 10 AM PST Tuesday ... ... Wind advisory in effect from 7 PM this evening to 4 AM PST Thursday ... The National Weather Service in Pendleton has issued a Wind Advisory ... Which is in effect from 7 PM this evening to 4 AM PST Thursday. * Air quality Moderate to unhealthy for sensitive groups. * Winds South 5 to 10 MPH increasing to 30 to 39 MPH with gusts up to 55 MPH this evening in the south end of the Grande Ronde Valley. * Timing Winds will increase in the southern part of the grande ronde Valley this evening. Very windy conditions will spread to the northern part of the Valley Tuesday afternoon. * Impacts These winds will erode the surface inversions causing the air stagnation. A wind advisory means that winds of 35 MPH are expected. Winds this strong can make driving difficult ... Especially for high profile vehicles. * Mixing heights Below 1500 feet above ground level. Precautionary/preparedness actions... An Air Stagnation Advisory indicates that due to limited movement of an air mass across the advisory area ... Pollution has the potential to increase to dangerous levels. Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air ... State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies ... Prolonged periods of stagnant air can hold pollutants close to the ground ... Where people live and breathe. Check with your local burn agency for any current restrictions in your area. A wind advisory means that winds of 35 MPH are expected. Winds this strong can make driving difficult ... Especially for high profile vehicles. Use extra caution.

North Coast, Northwest Coast Range, Lower Columbia, Portland Metro, WA-South Cascades, WA-Willapa Hills, WA-South Coast, WA-Lower Columbia & I-5 Cowlitz Co., WA-Vancouver Area, WA-South Cascade Foothills; Weather Alert
Flood Watch, *NOAA Issue Date: 1/15/2017 03:22:00 PM Flooding possible Tuesday through Thursday for most of northwest Oregon and southwest Washington ... . Periods of heavy rain combined with snow melt Tuesday afternoon through Wednesday night will cause sharp rises on several rivers and creeks in northwest Oregon and southwest Washington ... With flooding possible Tuesday night through Thursday. The heaviest rain will fall along the coast and coast range in Oregon and in the Willapa hills and Cascades in southwest Washington ... Where rainfall totals of 4 to 8 inches are expected. In addition to river flooding ... Some urban flooding is possible ... Especially in areas where snow and ice are blocking storm drains. ... Flood Watch in effect for the north Oregon coast and coast range ... Portland/Vancouver metro area ... Columbia river gorge ... And southwest Washington from the Willapa hills to the south Washington Cascades ... From Tuesday morning through late Wednesday night ... The National Weather Service in Portland has issued a * Flood Watch for portions of northwest Oregon and southwest Washington Including the following areas ... In northwest Oregon ... Central Columbia river gorge ... Coast range of northwest Oregon ... Greater Portland metro area ... Lower Columbia ... North Oregon coast ... Upper Hood river Valley and western Columbia river gorge. In southwest Washington ... Central Columbia river gorge ... Greater Vancouver area ... I-5 corridor in Cowlitz county ... South Washington Cascade foothills ... South Washington Cascades ... South Washington coast ... Western Columbia river gorge and Willapa hills. * From Tuesday morning through late Wednesday night freezing levels will rise to over 8000 feet Monday night leading to rapid snow melt. In addition ... Heavy rain beginning Tuesday will cause sharp rises on rivers and creeks draining the coast range ... South Washington Cascades ... And Willapa hills. * Rainfall amounts through Thursday *Portland/Vancouver metro area ... ... 1.5 to 3 inches * North coast range/Willapa hills ... .4 to 8 inches * South Washington Cascades ... ... ... .4 to 8 inches * Impacts * Street flooding is possible in urban areas where ice and snow may block storm drains rivers of concern include the grays in Wahkiakum county ... The lower Nehalem and Wilson in Tillamook county ... The upper Tualatin in Washington county ... The marys in Benton county ... And Johnson creek in Clackamas county. Precautionary/preparedness actions... A Flood Watch means there is a potential for flooding based on current forecasts. You should Monitor later forecasts and be alert for possible flood warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. Landslides and debris flows are possible during this flood event. People ... Structures and roads located below steep slopes ... In canyons and near the mouths of canyons may be at serious risk from rapidly moving landslides.

Wallowa Co.; Weather Alert
Winter Weather Advisory, *NOAA Issue Date: 1/16/2017 04:27:00 AM Freezing precipitation likely Monday night into Wednesday ... . A Pacific storm system will affect the interior Pacific northwest Monday night through midweek. Warmer air riding over the residual arctic airmass will result in the potential for freezing rain and sleet Monday night into Wednesday. ... Winter Weather Advisory remains in effect from 4 PM Tuesday to 10 AM PST Wednesday ... * Locations Enterprise ... Joseph ... Wallowa. * Ice accumulations Around a tenth of an inch. * Snow accumulations ... 2 to 4 inches. * Timing Tuesday afternoon through Wednesday morning. * Impacts Snow and ice will make roadways hazardous. Ice accumulations may cause downed tree limbs and Power lines. * Winds South 15 to 25 MPH with gusts up to 40 MPH. * Web page: for a detailed view of the hazard area visit http://www.wrh.noaa.gov/map/?wfo=pdt. Precautionary/preparedness actions... A Winter Weather Advisory means that periods of snow ... Sleet ... Or freezing rain will cause travel difficulties. Be prepared for slippery roads and limited visibilities ... And use caution while driving.

Grand Ronde Valley; Weather Alert
Winter Weather Advisory, *NOAA Issue Date: 1/16/2017 04:27:00 AM Freezing precipitation likely Monday night into Wednesday ... . A Pacific storm system will affect the interior Pacific northwest Monday night through midweek. Warmer air riding over the residual arctic airmass will result in the potential for freezing rain and sleet Monday night into Wednesday. ... Winter Weather Advisory remains in effect from 4 PM Tuesday to 4 AM PST Wednesday ... * Locations Cove ... Elgin ... La grande. * Ice accumulations Up to a tenth of an inch. * Timing Tuesday morning through early Wednesday morning. * Impacts Ice will make roadways hazardous. Ice accumulations may cause downed tree limbs and Power lines. * Winds South 30 to 35 MPH with gusts up to 45 MPH. * Web page: for a detailed view of the hazard area visit http://www.wrh.noaa.gov/map/?wfo=pdt. Precautionary/preparedness actions... A Winter Weather Advisory means that periods of snow ... Sleet ... Or freezing rain will cause travel difficulties. Be prepared for slippery roads and limited visibilities ... And use caution while driving.

Road Conditions by Route

No adverse road conditions reported at this time.

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