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A trough of low pressure has been over us (the shaded “U” ) and it has kept us cooler than normal and a bit wet. The high pressure ridge behind it (shaded “arch” shape ) and a surface high will give us sunshine and dry weather for a few days. Another upper level low will approach for the weekend bringing back the chance of rain by the middle of the weekend as a weak disturbance slides into California Sunday. The upper level low pressure trough and a new frontal system Monday will bring back the cooler than normal and and damp weather for off and on unsettled conditions next week.

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Advisories:  NONE AT THIS TIME

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The Pollen Count Forecast for the Eugene-Springfield area : Trees HIGH, Grass and Weeds ABSENT. From Allergy and Asthma Research Group.

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Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly sunny today and partly cloudy tonight high 70 low 40. A mix of clouds and sun with a slight (20%) chance of showers Sunday afternoon and mostly cloudy with a slight (20%) chance of showers Sunday evening high 65 low 40. Mostly cloudy with showers likely (60%) and cooler Monday,  a (40%) chance Monday night, and mostly cloudy with a slight (20%) chance Tuesday and warmer highs 55-65 low 36. Partly cloudy Tuesday night then a mix of clouds and sun and warmer Wednesday low 40 high near 70. Partly cloudy Wednesday night, a mix of clouds and sun Thursday, partly cloudy Thursday night, and a mix of clouds and sun Friday  lows 42-44  highs 68-64.

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Forecast for the Umpqua Basin including Roseburg:  Partly cloudy with a slight (20%) chance of showers this afternoon, partly cloudy in the evening then mostly cloudy with a slight (20%) chance of showers at night high 72 low near 42 . Mostly cloudy with a  slight (20%) chance of showers Sunday and a (30%) chance Sunday night then AM rain and afternoon showers likely (60%) Monday highs 66-57 low 40. Mostly cloudy with a (40%) chance of showers Monday night then warmer with a slight (20%) chance of showers Tuesday low 43 high 65. Mostly cloudy Tuesday night then partly cloudy Wednesday through Friday lows 43-47 highs 72-67 .

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy this morning, then mostly sunny this afternoon, and mostly cloudy  tonight and Sunday with a slight (20%) chance of showers inland and a slight (20%) chance of afternoon showers at the shore Sunday lows 43-46 highs 60-55. Mostly cloudy with a (40%) chance of showers Sunday night then rain Monday morning and likely (60%) in the afternoon a (50%) chance of showers Monday night lows 45-40 highs 56-52 . Mostly cloudy and warmer Tuesday then just mostly cloudy Tuesday night and partly cloudy Wednesday through Friday highs 55-60 lows 45-49.

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Forecast for the Cascades of Lane County:  A mix of clouds and sun with a slight (20%) chance of showers or thunderstorms this afternoon and partly cloudy this evening with a slight (20%) chance of showers or thunderstorms and slight (20%) chance of showers Sunday morning then a (30%) chance of showers and a slight (20%) chance of thunderstorms Sunday afternoon and evening free air freezing level 6,500 ft. rising to 7,500 ft. this afternoon and a snow level 5,500 ft. tonight and Sunday and 5,000 ft. Sunday night highs 60-55 lows near 30.  Mostly cloudy with rain and snow showers likely (60%) Monday and Monday night snow level 3,500 ft. high 42 low 24.  Mostly cloudy with a (40%) chance of rain and snow showers Tuesday, partly cloudy with a slight (20%) chance of showers Tuesday night, then a mix of clouds and sun Wednesday snow level 4,500 ft. Tuesday, 6,500 ft. Tuesday night, and a free air freezing level rising to above 8,000 ft. Wednesday highs 53-62 low near 30. Partly cloudy with a slight (20%) chance of showers Wednesday night through Friday snow level 5,000 ft. lows 30-33 highs 56-52.

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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.