High winds are anticipated starting Tuesday afternoon, the Portland Office of the National Weather Service said in a Wind Advisory. Gusts up to 45 mph at lower elevation areas are expected, and higher coast range elevations could see 60 mph gusts.
The northern lights could be visible starting Thursday, and power and communications systems could see impacts from what could be a severe geomagnetic storm hurtling toward Earth.
Fire danger in lands protected by the Oregon Department of Forestry in the Northwest Oregon Forest Protective Association (NWOFPA) were set to moderate or blue at 10 a.m. Wednesday.
With temperatures expected to soar into the triple digits Thursday and a Red Flag Warning starting 9 a.m., local fire officials are urging the public to use caution and avoid anything that could spark a fire.
Fire danger in�lands protected by the Oregon Department of Forestry in the Northwest Oregon Forest Protective Association (NWOFPA) were set to moderate or blue at noon Monday.
A Red Flag Warning issued Tuesday afternoon will be effective starting 5 p.m. Tuesday and extending through 8 a.m. Wednesday due to a chance of thunderstorms in much of Oregon east of the Coast Range.
The Portland office of the National Weather Service issued a Fire Weather Watch for much of the Willamette Valley and Portland area over concerns of a possible thunderstorm starting Tuesday afternoon.
"Confidence is increasing that this potentially historic heatwave will last several days," the NWS said. Inside: tips on staying cool and how we'll be covering this ongoing heat wave over the next few days.
A county-wide burn ban began Monday morning, just hours after lands protected by the Oregon Department of Forestry in far west Washington County entered fire season.
Starting Thursday afternoon, Independence Day festivities will be under the pall of an Excessive Heat Watch, which extends through Sunday evening as triple digit temperatures loom in the forecast.
Over the last few days, a series of coronal mass ejections (CME) have erupted from the Sun, and are likely to merge and reach Earth starting Friday or Saturday, said the Space Weather Prediction Center. The aurora could be visible as far south as northern California.