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Climate & Environment

Your SoCal Weather Report For Tuesday, Oct. 17: The Heat Just Won't Quit

A geothermal map of Southern California in shades of yellow, red and orange.
Forecast highs for Tuesday -- expect warm weather and sunny skies.
(
Courtesy NWS
)

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This week will bring typical Southern California fall weather where toasty days turn into nippy evenings.

Quick Facts

  • Today’s weather: Warm, sunny
  • Beaches: upper 70s
  • Mountains: 70s-80s/88-101
  • Inland: 90s
  • Warnings and advisories: Heat Advisory

If you're an early bird, you may have caught the pre-dawn mist and fog in some parts of Southern California. That's because low clouds have moved from the coast, but for the rest of the day we're looking at sunny, clear skies.

On the coast, it will be sunny with highs in the mid to upper 70s, while in Long Beach, the patchy fog will remain until 11 a.m.

In downtown Los Angeles, highs will be in the low 80s, up to the mid to low 90s in the valleys. In Orange County inland areas, temperatures will reach up to 86.

In Riverside and San Bernardino counties, temperatures will be a few degrees warmer with highs in the low 90s.

In the high desert, it will be 88 and in the low desert, a high of 101.

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Tonight's lows throughout most of Southern California will be in the mid- to upper 60s. Deserts will see temperatures tonight reaching 70 degrees.

Taking a look ahead: Forecasters say Wednesday and Thursday will be the warmest days of the week.

About those advisories

Starting Wednesday, there'll be a heat advisory in effect for the San Bernardino and Riverside County valleys. Expect the weather in the area to range in the 90s to around 100 between 10 a.m. Wednesday to 8 p.m. Thursday.

Staying safe in the heat

  • Don't wait until you're thirsty to drink water or electrolyte-replacements
  • Drink cool water, not extremely cold water (which can cause cramps)
  • Avoid sweetened drinks, caffeine, and alcohol

Protect a pet from excessive heat

  • Never leave a pet or animal in a garage
  • Never leave a pet or animal in a vehicle
  • Never leave a pet or animal in the sun
  • Provide shade
  • Provide clean drinking water

Protect a human from excessive heat

Check in frequently with family, friends, and neighbors. Offer assistance or rides to those who are sick or have limited access to transportation. And give extra attention to people most at risk, including:

  • Elderly people (65 years and older)
  • Infants
  • Young children
  • People with chronic medical conditions
  • People with mental illness
  • People taking certain medications (i.e.: "If your doctor generally limits the amount of fluid you drink or has you on water pills, ask how much you should drink while the weather is hot," says the CDC)

Tips to stay cool

  • Kiddie pool
  • Lotions in the fridge
  • Eat spicy foods in the basement (or on the floor) while wearing a damp shirt and listening to the rain setting on your white noise machine
  • Make sure ceiling fans are running counterclockwise
  • Wet paper towels. Fold into ankle and wrist cuffs. Freeze. Wear. Repeat.
  • Build a DIY AC
  • Build a mini cold air fan
  • Build an "evaporative cooler for immediate heat relief"
  • Make a barricade of fans and ice cubes
  • Go to an air-conditioned store and browse for as long as possible (Target is a good option for this).
  • Close all the curtains, preferably the heat-absorbing kind
  • Or open all the windows, depending on the breeze situation
  • Cool bath or shower twice a day
  • Wash your sheets before bed but don't dry them — put them on your bed damp (provided you're dealing with a dry heat)
  • Portable A/C unit

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This day in history

On this day in 2004, a waterspout came about in Oceanside, becoming a tornado.

Things to do

Make Tuesday evening a jazz-filled evening with this event:

  • Angel City Jazz Festival: Angel City Arts' Angel City Jazz Festival runs through Oct. 29 at venues through L.A., including REDCAT, 2220 Arts & Archives, LACMA, The Moss Theatre, Zebulon, Zipper Hall and The World Stage. The upcoming concerts include performances by Gloria Cheng, Linda May Han Oh & Fabian Almazan, Jon Jang & Hitomi Oba, Kirk Knuffke Trio, Todd Sickafoose’s Bear Proof, Tim Berne, Aurora Nealand and Hank Roberts, Harriet Tubman, Mat Maneri Quartet, Ennis Harris, NJL Awardees, Nicole Mitchell, Billy Mohler, Todd Cochran and Hubert Laws.

Check out our full list of things to do this week.

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