Heat wave warning continues | TheUnion.com

Heat wave warning continues

Temperatures of 100 and higher are expected today across Northern California, and a heat alert issued Tuesday by the Nevada County Public Health Department is still in effect.

Both the county and the National Weather Service in Sacramento are urging residents to drink plenty of water and to stay out of the sun through the weekend as the heat wave continues. If you must work outside, do so in the morning and wear loose, light-colored clothing.

People should stay in the shade this afternoon or indoors with air conditioning. Children, the elderly and pets should be watched closely for signs of heat stress.

The National Weather Service this morning said the temperature is expected to hit 100 this afternoon in western Nevada County. Rough and Ready and the town of Washington both reported highs of 104 on Fourth of July, while Peardale and Lake of the Pines saw the thermometer rise to 101.

Some Grass Valley residents saw their thermometers hit 100 Wednesday, but the official reading was 91, and 92 in Nevada City.

Air pollution ratings for ozone almost reached the dangerous for sensitive groups level overnight in Grass Valley according to the Northern Sierra Air Quality Management District. Levels in the 90s persisted through the early morning hours reaching 97 at 6 a.m., today just four points under the 101 needed for the dangerous point. The level dipped away from the danger zone to 82 by 7 a.m.

Today’s heat could produce dangerous ozone levels again for the sensitive groups, which include the elderly, children, pregnant women, athletes and anyone with a heart or lung condition. Those people are urged to limit outdoor activity.

Travelers going to the north Sacramento Valley from Oroville to Redding can expect temperatures ranging from 110 to 117 today. Lows tonight in the foothills and valley are expected to be in the 70s.

Temperatures will dip just a bit Friday to 97, followed by expected highs in the mid-90s Saturday through Monday.

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