National Weather Service United States Department of Commerce

East Coast winter storm forecast to impact Thanksgiving holiday travel

A storm system will develop off the coast of the Carolinas early Wednesday and strengthen as it moves rapidly up the East Coast Wednesday into early Thursday. Heavy snow is likely to begin in the central Appalachians early Wednesday morning, spreading northeast through the interior Mid-Atlantic into New England by Wednesday night. Winter Storm Watches are in effect for these areas.
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Hazardous Weather Conditions

Current Conditions

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Diamond Bar CA

7 Day Forecast

Tonight

Clear

Clear

Low: 49 °F

Tuesday

Sunny

Sunny

High: 83 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 52 °F

Wednesday

Sunny

Sunny

High: 85 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 56 °F

Thanksgiving
Day

Sunny

Sunny

High: 84 °F

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 54 °F

Friday

Sunny

Sunny

High: 77 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 52 °F

Detailed Forecast

  • Tonight Clear, with a low around 49. East northeast wind 5 to 10 mph.
  • Tuesday Sunny, with a high near 83. East wind 5 to 10 mph.
  • Tuesday Night Mostly clear, with a low around 52. East wind around 5 mph.
  • Wednesday Sunny, with a high near 85. East northeast wind around 5 mph becoming calm in the afternoon.
  • Wednesday Night Mostly clear, with a low around 56. Northeast wind around 5 mph.
  • Thanksgiving Day Sunny, with a high near 84.
  • Thursday Night Mostly clear, with a low around 54.
  • Friday Sunny, with a high near 77.
  • Friday Night Partly cloudy, with a low around 52.
  • Saturday Mostly sunny, with a high near 73.
  • Saturday Night Mostly cloudy, with a low around 54.
  • Sunday A chance of rain. Mostly cloudy, with a high near 70.
  • Sunday Night Showers likely. Mostly cloudy, with a low around 55.
  • Monday Showers likely. Mostly cloudy, with a high near 66.