A quiet weather day is on tap across the region. We'll see hazy sunshine with daytime highs rising into the upper 90s. Slightly cooler temperatures are expected for the weekend into next week. Dry and sunny conditions continue into the weekend for the Sierra.
... Areas of thick smoke will continue over parts of interior northern California today and tonight...
Thick smoke will continue to plague portions of the northern and central Sacramento Valley today and tonight. Most of the smoke is coming from fires in Trinity County. Visibility may drop below two miles at times over portions of Shasta... Tehama... Glenn... Butte... Sutter... Yuba... Colusa and lake counties.
A moderate Delta breeze will allow for better visibility and air quality in the southern Sacramento Valley today. Light north winds may increase tonight as surface high pressure builds into southern Oregon. This could spread smoke farther south toward the Sacramento area. Thicker smoke is expected to remain confined to areas farther north... but some deterioration in air quality may affect the Sacramento area tonight.
Stronger upvalley winds will develop during the day Saturday... and stronger southwest winds aloft will carry smoke higher into the atmosphere. This should result in improved visibility and better air quality for most areas Saturday and Sunday.
Smoky conditions will result in areas of poor air quality today and tonight. People are advised to limit outdoor activities and prolonged exposure to the smoky air... especially those with respiratory conditions. For additional health tips on dealing with the smoke... please visit http://www.Oes.CA.Gov/heatwave... or contact your local County air quality district for further details.
92° Haze as of 1:53 PM PDT on July 25, 2008
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