Follow EDN on Social Media |

February 5, 2024

Note: Weather is a constantly changing phenomenon and weather forecasting is a combination of science, experience, and intuition. The accuracy of any given forecast can chance due to unexpected changes in atmospheric conditions, so there are no guarantees the the actual weather will conform to the projected forecast.

ADVISORIES

  • A WIND ADVISORY IS IN EFFECT UNTIL 7 PM THIS EVENING FOR THE GRANDE RONDE.

HEALTH ADVISORIES

  • A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE  RIVER.

THE WEATHER PATTERN

An Atmospheric River has been pumping a lot of moisture into California, but luckily not as much into Oregon  The graphics for days 1-3  show the complex frontal system moving into Oregon from northern California. The graphics for days 3-7   Thursday through Monday show complex frontal systems  approaching the Pacific Northwest the pushing through Friday and next Sunday and Monday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Cloudy with a good (50%) chance of rain tonight (o.10 in. of rain possible),
  • Mostly cloudy with a slight (20%) chance of rain Tuesday (under o.10 in. of rain possible), patchy evening fog with a (40%) chance of evening rain, mostly cloudy with rain likely (70%) Tuesday night (under 0.10 in. of rain possible),
  • Mostly cloudy with AM rain likely (70%), a good (50%) chance of showers and a bit cooler Wednesday afternoon (0.10 in. of rain possible), a good (50%) chance of rain at night (under o.10 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of rain and a bit warmer Thursday, then a good (50%) chance of rain Thursday night.
  • lows 40-35 warming to 37 Thursday night highs 50-47 warming to 49 Thursday.
  • Mostly cloudy with a (40%) chance of rain and a bit cooler Friday, a (40%) chance of showers Friday night with a (40%) chance of snow late Friday night,
  • Mostly cloudy and a bit warmer with a (40%) chance of rain Saturday and a (40%) chance of rain at night,
  • Mostly cloudy with a (30%) chance of AM rain, and a bit warmer with a slight (20%) chance of rain Sunday, partly cloudy with a (40%) chance of evening rain, mostly cloudy with a (40%) chance of rain Sunday night,
  • Then a mix of clouds and sun with a 40%) chance of rain Monday.
  • highs 47-53 lows near 37. (seasonal averages high 50 low 35)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with early evening rain likely (70%), a good (50%) chance of rain with patchy fog late tonight (0.10 in. of rain possible, snow level 3,500 ft.),
  • Mostly cloudy and a bit warmer with patchy fog and a (30%) chance of rain Tuesday (under o.10 in. of rain possible, snow level 3,000  ft.), a slight (20%) chance of evening rain, patchy fog with rain and snow likely (70%) late Tuesday night (under 0.10 in. of rain possible, snow level 3,000 ft. falling to 2,500 ft. late at night),
  • Mostly cloudy and a bit cooler with rain and snow likely (70%) Wednesday (0.10 in. of rain possible, snow level 2,000 ft. rising to 2,500 ft.), a good (50%) chance of rain and snow at night (under o.10 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of rain and snow and a bit warmer Thursday, then a good (50%) chance of rain and snow Thursday night.
  • lows 42-37 warming to 39 Thursday night highs 49-47 warming back to 49 Thursday night.
  • Mostly cloudy with a (40%) chance of AM rain and snow, a (40%) chance of snow Friday afternoon, a (30%) chance of rain Friday night,
  • Mostly cloudy and a bit warmer with a (30%) chance of showers Saturday, a (30%) chance of rain at night,
  • Mostly cloudy and a bit warmer with a slight (20%) chance of rain Sunday, a slight (20%) chance of rain Sunday night,
  • Mostly cloudy with a slight (20%) chance of AM rain, then a (30%) chance of showers Monday afternoon.
  • highs 48-55 lows 38-40 (seasonal averages high 52  low 37).

Forecast for the Oregon Coast including Coos Bay and North Bend:

  • Mostly cloudy with a (30%) chance of coastal rain tonight while early evening inland rain likely (70%) and patchy fog with a (30%) chance of inland rain late tonight (0.10 in. of rain possible),
  • Patchy AM inland fog, mostly cloudy and a bit warmer with a (30%) chance of rain Tuesday (under o.10 in. of rain possible), a good (50%) chance of evening coastal rain and coastal rain likely (70%) late Tuesday night while patchy inland fog  and a (30%) chance of rain Tuesday night (under o.10 in. of rain possible),
  • Mostly cloudy with AM coastal rain likely (70%) and a good (50%) chance of coastal rain Wednesday afternoon while inland rain likely (70%) Wednesday  (o.10 in. of rain possible), a good (50%) chance of coastal rain while inland rain likely (70%) with patchy fog late at night (under o.10 in. of rain possible),
  • Mostly cloudy with a (40%) chance of rain Thursday, then a (40%) chance of ran Thursday night.
  • lows 42-38 warming to 40 Thursday night highs near 52.
  • Mostly cloudy with a (30%) chance of rain Friday, a (30%) chance of rain Friday night,
  • Mostly cloudy and a bit warmer with a (30%) chance of rain Saturday, a (50%) chance of rain at night,
  • Mostly cloudy and a bit warmer with a slight (20%) chance of Sunday, a slight (20%) chance of rain Sunday night,
  • Mostly cloudy with a (30%) chance of AM rain, then a (30%) chance of showers Monday afternoon.
  • highs near 52-57 lows 40-42. (seasonal averages high 54 low 41)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with evening rain likely (70%) and snow likely (70%) this evening, a good (50%) chance of rain and snow late tonight (0.25 in. of rain possible, 1 in. of snow possible),
  • A mix of clouds and sun with a good (50%) chance of rain and snow and a bit cooler Tuesday (0.10 in. of rain possible, 1 in. of snow possible), mostly cloudy with a good (50%) chance of rain and snow Tuesday night (under 0.10 in. of rain possible, 1 in. of snow possible),
  • Mostly cloudy with snow and rain Wednesday, evening snow and rain likely (70%), a good (50%) chance of snow late at night,
  • Mostly cloudy with rain showers and snow showers likely (70%) Thursday, then snow and rain showers likely (70%) Thursday night.
  • snow level 4,000 ft. tonight, 3,500 ft. Tuesday, 2,500 ft. Tuesday night through Thursday night.
  • lows 26-22 warming to 24 Thursday night highs 34-32.
  • Mostly cloudy with a good (50%) chance of snow and rain Friday, a (40%) chance of evening snow and rain Friday night,
  • A mix of clouds and sun with a (40%) chance of rain and snow and a bit warmer Saturday, a (40%) chance of rain and snow at night,
  • Clouds and sun with a (40%) chance of AM rain and snow, a mix of clouds and sun and a bit warmer with a (40%) chance of rain and snow Sunday afternoon, partly cloudy with a slight (20%) chance of evening rain and snow, a (40%) chance of rain and snow  late Sunday night,
  • Then mostly cloudy and a bit warmer with a (40%) chance of rain and snow Monday.
  • snow level 2,500 ft. Friday, 3,000 ft. Friday night, 3,500 ft. Saturday, 4,500 ft. Saturday night and Sunday, 5,000 ft. Sunday night, then 4,500 ft. Monday.
  • highs 32-40 lows 22-27.