Arnold, CA…West Slope Northern Sierra Nevada…Today Mostly sunny. Haze and areas of smoke through the day. Highs 78 to 93 higher elevations…91 to 99 lower elevations. Prevailing east winds up to 10 mph shifting to the southwest in the afternoon. Tonight Mostly clear. Haze and areas of smoke through the night. Lows 53 to 68 higher elevations…65 to 75 lower elevations. Prevailing west winds up to 10 mph shifting to the east after midnight.
Thursday Mostly sunny. At higher elevations, a slight chance of showers and thunderstorms in the afternoon. Highs 76 to 91 higher elevations…88 to 96 lower elevations. Prevailing east winds up to 10 mph shifting to the southwest in the afternoon.

Thursday NightM ostly clear. A slight chance of showers and thunderstorms in the evening, then a slight chance of rain showers after midnight. Lows 52 to 67 higher elevations…63 to 73 lower elevations. Prevailing west winds up to 10 mph in the evening becoming light.

Friday Mostly sunny. A slight chance of rain showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs 73 to 88 higher elevations…83 to 93 lower elevations. Light winds becoming west 5 to 15 mph in the afternoon.

Friday Night Partly cloudy with a slight chance of showers and thunderstorms. Lows 54 to 69.

SaturdayPartly cloudy with a slight chance of showers and thunderstorms. Highs 74 to 89.
Saturday Night Through Sunday NightPartly cloudy with a slight chance of showers and thunderstorms. Lows 55 to 70. Highs 75 to 90.

Monday Through Tuesday Mostly clear. Highs 78 to 93. Lows 56 to 71.

Heat Advisory
URGENT – WEATHER MESSAGE
National Weather Service Sacramento CA
258 AM PDT Wed Jul 18 2018

CAZ013-016-063-064-066-067-190300-
/O.CON.KSTO.HT.Y.0002.000000T0000Z-180719T0300Z/
Shasta Lake Area / Northern Shasta County-
Central Sacramento Valley-
Mountains Southwestern Shasta County to Northern Lake County-
Clear Lake/Southern Lake County-
Northeast Foothills/Sacramento Valley-Motherlode-
Including the cities of Shasta Dam, Chico, Oroville,
Marysville/Yuba City, Alder Springs, Lakeport, Paradise,
Grass Valley, and Jackson
258 AM PDT Wed Jul 18 2018

…HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING…

* TEMPERATURE…Daytime highs today in the upper 90s to 108. Overnight
lows only dropping down into the upper 60s to upper 70s.

* IMPACTS…Long outdoor exposure may increase chances for heat
related illness for sensitive groups such as children or the
elderly.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A Heat Advisory means that a prolonged period of hot temperatures
is expected and will create a situation in which heat illnesses
are possible. Drink plenty of fluids, stay in an air-conditioned
room, stay out of the sun, and check up on relatives and
neighbors.

&&

Interact with us via social media
www.facebook.com/nws.sacramento
www.twitter.com/nwssacramento

$$