Markham School, OR Weather Forecast

Discussion

...Tuesday afternoon through Monday...Satellite imagery early this afternoon shows mostly clear skies across NW OR and SW WA. Ensemble guidance remains in good agreement that upper heights over the PacNW will raise into Wednesday as the upper low from previous days continues moving eastward into the Northern Plains and high pressure over the desert SW slowly spreads into the Western US. In addition to these two synoptic features over CONUS, a tropical/sub-tropical low off the coast of ...