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 and then one well offshore next Saturday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

• Partly cloudy this evening, mostly clear patchy fog late tonight,
• Patchy AM fog,  sunny and a bit cooler Sunday (Easter), clear with patchy fog Sunday night,
• Patchy AM fog, sunny and a bit warmer Monday, clear with patchy fog at night,
• Patchy AM fog, sunny and a bit warmer Tuesday, mostly clear in the evening, then mostly cloudy with a good (50%) chance of rain Tuesday night.
• lows 36-44 highs 63-73.
• Mostly cloudy and colder with rain Wednesday, a good (50%) chance of showers Wednesday night,
• AM clouds and sun with a good (50%) chance of showers, mostly cloudy and a bit cooler with a good (50%) chance of showers Thursday afternoon, mostly cloudy with a (40%) chance of evening showers, partly cloudy with a (40%) chance of showers late at night,
• A mix of clouds and sun and a bit warmer with a good (50%) chance of showers Friday, mostly cloudy with a good (50%) chance of evening showers, partly cloudy with a good (50%) chance of showers Friday night,
• Then a mix of clouds and sun with a good (50%) chance of showers Saturday.
• highs 54-52 warming to 55 Friday and Saturday lows 35-33 warming to 38 Friday night. (seasonal averages high 59 low 39)

Forecast for the Umpqua Valley including Roseburg:

• Partly cloudy this evening, mostly clear late tonight,
• Some AM clouds, sunny and a bit cooler Sunday (Easter) afternoon, mostly clear Sunday night,
• Sunny and a bit warmer Monday, clear at night,
• Sunny and a bit warmer Tuesday, mostly clear in the evening, then mostly cloudy with a slight (20%) chance of showers late Tuesday night.
• lows 39-46 highs 62-74.
• Mostly cloudy and colder with rain likely (70%) Wednesday, evening rain and snow likely (70%), a good (50%) chance of rain and snow late Wednesday night,
• Mostly cloudy with a good (50%) chance of AM rain and snow, rain and snow likely (70%) Thursday afternoon, a slight (20%) chance of rain and snow at night,
• Mostly cloudy and a bit warmer with a (40%) chance of rain and snow Friday, a (30%) chance of rain and snow Friday night,
• Mostly cloudy with a good (50%) chance of AM rain and snow, then a good (50%) chance of rain and a bit warmer Saturday afternoon.
• highs 52-56 lows 37-34 warming to 38 Friday night. (seasonal averages high 60 low 41)

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

• Partly cloudy this evening, mostly cloudy late tonight with patchy inland fog late tonight,
• Mostly cloudy with patchy AM inland fog and a slight (20%) chance of AM rain, just mostly cloudy and a bit warmer Sunday afternoon (Easter), partly cloudy in the evening, patchy coastal fog late at night while areas of inland fog late Sunday night,
• Patchy AM coastal fog while areas of AM inland fog, sunny and a bit warmer Monday afternoon, mostly clear at night,
• Mostly sunny Tuesday, then mostly cloudy with a (40%) chance of rain late Tuesday night.
• lows 42-44 highs 58-62.
• Mostly cloudy and cooler with rain likely (70%) Wednesday, colder with rain and snow likely (70%) Wednesday night,
• Mostly cloudy with rain and snow likely (70%) Thursday, a good (50%) chance of rain and snow at night,
• Mostly cloudy and a bit warmer with a good (50%) chance of rain and snow Friday, a (40%) chance of rain Friday night,
• Mostly cloudy with a good (50%) chance of AM rain, then rain likely (70%) Saturday afternoon.
• highs 52-54 lows 36-40. (seasonal average high 56 low 43)

Forecast for the Northern Oregon Cascades including Willamette Pass:

• Mostly clear tonight,
• Mostly sunny and a bit cooler Sunday (Easter), mostly clear Sunday night,
• Sunny and a bit warmer Monday, clear at night,
• Mostly sunny and warmer Tuesday, mostly clear in the evening, then mostly cloudy late Tuesday night.
•  free air freezing level 5,500 ft. late tonight, 4,000 ft. rising to 5,500 ft. Sunday afternoon, 6,500 ft. rising to 8,000 ft. late Sunday night, 10,000 ft. rising to 11,000 ft. Monday afternoon, 11,000 ft. Monday night and Tuesday, then snow level 7,500 ft. Tuesday night.
• lows 26-37 cooling to 35 Tuesday night highs 45-62.
• Mostly cloudy with rain and snow and colder Wednesday, snow showers likely (70%) Wednesday night,
• Mostly cloudy with snow showers and a bit cooler Thursday, a good (50%) chance of snow showers at night,
• Mostly cloudy with snow showers likely (70%) and bit warmer Friday, a good (50%) chance of rain and snow showers Friday night,
• Then mostly cloudy and a bit warmer with snow and rain showers likely (70%) Saturday.
• snow level 4,000 ft. Wednesday, 2,000 ft. Wednesday night, at the surface Thursday and Thursday night, 2,000 ft. Friday, then 2,500 ft. Friday night and Saturday.
• highs 42-38 lows 22-25.