An Upper Level High Pressure Ridge (“Arch” shape) brings sunshine and warming temperatures. The graphics for days 1-3 show a weak cold front to our north Thursday. The graphics for days 3-7  Friday through Tuesday show a weak cold front sliding in and falling apart Saturday.

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ADVISORIES:

• A FIRE WEATHER WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE SOUTHERN OREGON CASCADES, THE KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.

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.

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• Clear tonight,
• Sunny and a bit warmer Wednesday, clear Wednesday night,
• Sunny and a bit cooler Thursday, mostly clear at night,
• Some AM clouds, sunny and a bit cooler Friday afternoon, then mostly clear Friday night.
• lows 59-60 cooling to 57 Friday night highs 83-85.
• Mostly sunny Saturday, mostly clear Saturday night,
• Mostly  sunny and a bit warmer Sunday and Monday, mostly clear both nights,
• Then mostly sunny Tuesday.
•  highs 85-90 lows 56-59. (seasonal averages high 87 low 58).

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Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Clear this evening, becoming mostly cloudy patchy coastal fog late late tonight,
• AM clouds, sunny and a bit warmer Wednesday afternoon, partly cloudy in the evening, mostly cloudy late Wednesday night,
• AM clouds, sunny and a bit cooler Thursday, mostly clear in the evening,  mostly cloudy at night,
• Then partly cloudy Friday and Friday night.
• lows 52-54 highs 70-69.
• Partly cloudy Saturday and Saturday night,
• Mostly sunny and a bit warmer Sunday and Monday, mostly clear both nights,
• Some AM clouds, then sunny and a bit cooler Tuesday afternoon.
• highs 69-71  lows 52-53 cooling back to 52 Sunday night.
• (seasonal averages high 67 low 54).                                                                                                                                                                                                                                                                                                                                                                                                                         _______________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

• Clear tonight,
• Sunny and a bit warmer with areas of smoke Wednesday afternoon,  mostly clear Wednesday night,
• Sunny Thursday, mostly clear at night,
• Sunny and a bit cooler Friday, then mostly clear Friday night.
• free air freezing level 13,000 ft. tonight, 14,000 ft. Wednesday, 14,000 ft. Wednesday night and Thursday, then 14,00 ft. Friday and  Friday night.
• lows 49-52 cooling to 47 Friday night highs 78-75.
• Sunny and a bit cooler Saturday, mostly clear Saturday night,
• Sunny and a bit warmer Sunday and Monday, mostly clear both nights,
• Then sunny Tuesday.
• free air freezing level 13,000 ft. Saturday through Sunday night, 14,000 ft. Monday and Monday night, then 15,000 ft. Tuesday.
• highs 73-80 lows 47-52.