National Weather Service United States Department of Commerce

Active weather pattern on Sunday brings the threat of wintry weather to several parts of the U.S

A few areas of active weather are expected on Sunday. The first will be in the Southwest, as locally heavy rain and mountain snow is possible in portions of California, Nevada, Utah, Colorado, New Mexico and Arizona. Further east, wintry weather is possible over a large portion of the country. Numerous winter weather products have been issued from the southern Plains to New England.
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Hazardous Weather Conditions

Current Conditions

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Pomona CA

7 Day Forecast

Tonight

Showers Chance for Measurable Precipitation 80%

Showers

Low: 45 °F

Sunday

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 63 °F

Sunday
Night

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 44 °F

Monday

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

High: 61 °F

Monday
Night

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 43 °F

Tuesday

Partly Sunny

Partly
Sunny

High: 65 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 43 °F

Wednesday

Sunny

Sunny

High: 69 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 44 °F

Detailed Forecast

  • Tonight Showers and possibly a thunderstorm. Some of the storms could produce small hail. Low around 45. West southwest wind 5 to 10 mph becoming light south after midnight. Chance of precipitation is 80%.
  • Sunday Showers likely and possibly a thunderstorm. Some of the storms could produce small hail. Partly sunny, with a high near 63. East northeast wind around 5 mph becoming south southwest in the afternoon. Chance of precipitation is 70%.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
  • Monday A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 61. Light south wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
  • Monday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. West southwest wind 5 to 10 mph becoming light south in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
  • Tuesday Partly sunny, with a high near 65.
  • Tuesday Night Partly cloudy, with a low around 43.
  • Wednesday Sunny, with a high near 69.
  • Wednesday Night Mostly clear, with a low around 44.
  • Thursday Sunny, with a high near 75.
  • Thursday Night Mostly clear, with a low around 45.
  • Friday Sunny, with a high near 80.
  • Friday Night Mostly clear, with a low around 46.
  • Saturday Sunny, with a high near 79.