TIM CHUEY WEATHER

March 30, 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

NONE AT THIS TIME.

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 Upper Level High Pressure Ridge (“Arch” shape) will take over giving us sunshine for your Easter weekend. The graphics for days 1-3  show no frontal systems moving through or into Pacific Northwest. The graphics for days 3-7    Tuesday through Saturday show a frontal system headed through the Pacific Northwest Wednesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

• Sunny and a bit warmer today, mostly clear patchy frost late tonight,
• Mostly sunny and a bit cooler Sunday (Easter), mostly clear Sunday night,
• Sunny and a bit warmer Monday, mostly clear at night,
• Sunny and a bit warmer Tuesday, mostly clear in the evening, then mostly cloudy with a slight (20%) chance of rain Tuesday night.
• highs 63-60 warming to 66 Monday lows 38-43.
• Mostly cloudy and cooler with rain likely (70%) Wednesday, mostly cloudy with showers likely (70% ) Wednesday night,
• Mostly cloudy and a bit cooler with showers likely (70%) Thursday, a good (50%) chance of showers at night,
• Then a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Friday.
• highs 70-52 warming to 55 Friday lows 45-34. (seasonal averages high 59 low 38)

Forecast for the Umpqua Valley including Roseburg:

• Sunny and a bit warmer today, mostly clear tonight,
• Some AM clouds, sunny and a bit cooler Sunday (Easter) afternoon, clear at night,
• Sunny and a bit warmer Monday, then clear Monday night.
• highs 64-62 warming to 62 Monday lows 39-45.
• Mostly sunny and a bit warmer Tuesday, mostly clear in the evening, partly cloudy with a slight (20%) chance of showers late Tuesday night,
• A mix of clouds and sun and cooler with a good (50%) chance of rain Wednesday, mostly cloudy with rain and snow likely (70%) at night,
• Mostly cloudy a bit cooler with rain and snow likely (70%) Thursday, a good (50%) chance of rain and snow Thursday night,
• Then mostly cloudy and a bit warmer with a good (50%) chance of rain and snow Friday.
• highs 74-52 warming to 56 Thursday lows 47-36. (seasonal averages high 60 low 41)

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

• Sunny with inland patchy AM fog, sunny and a bit warmer today, partly cloudy tonight with patchy inland fog late tonight,
• Partly cloudy with patchy AM inland fog, a slight (20%) chance of AM rain, sunny and a bit cooler Sunday afternoon (Easter), mostly clear at night,
• Mostly sunny and a bit warmer Monday, then mostly clear Monday night.
• highs 61-58 warming back to 61 Monday lows 42-44.
• Mostly sunny and a bit warmer Tuesday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of rain late Tuesday night,
• Mostly cloudy and cooler with a good (50%) chance of rain and a bit cooler Wednesday, evening rain likely (70%), colder with rain and snow rain at night,
• Mostly cloudy with AM rain and snow likely (70%), rain likely (70%) and a bit cooler Thursday afternoon, rain likely (70%) Thursday night,
• Then mostly cloudy and a bit warmer with a good (50%) chance of rain Friday.
• highs 64-52 warming to 54 Friday lows 45-37. (seasonal average high 56 low 43)

Forecast for the Northern Oregon Cascades including Willamette Pass:

• Sunny and a bit warmer today, mostly clear tonight,
• Mostly sunny Sunday (Easter), mostly clear Sunday night,
• Sunny and a bit warmer Monday, then clear Monday night.
•  free air freezing level 5,500 ft. rising to 6,000 ft. this afternoon, 6,500 ft. falling to 6,000 ft. late tonight, 4,500 ft. rising to 5,500 ft. Sunday afternoon, 6,500 ft. rising to 7,500 ft. late Sunday night, 10,000 ft. Monday, then 11,000 ft. Monday night.
• highs 45-54 lows 26-36.
• Mostly sunny and warmer Tuesday, mostly clear in the evening, partly cloudy with a slight (20%) with a slight (20%) chance of rain late Tuesday night.
• Mostly cloudy with rain and snow likely (70%) and colder Wednesday afternoon, snow showers likely (70%) at night,
• Mostly cloudy with snow showers and a bit cooler Thursday, snow showers likely Thursday night,
• Then mostly cloudy with snow showers likely (70%) and bit warmer Friday.
• free air freezing level 11,000 ft. Tuesday, snow level 8,000 ft. Tuesday night, 5,500 ft. Wednesday, 2,500 ft. Wednesday night, at the surface Thursday and Thursday night, then 2,000 ft. Friday.
• highs 62-34 warming to 38 Friday lows 35-22.