National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

Oahu Koolau

Zone Forecast

  • Rest Of Today Mostly sunny late in the morning then becoming partly sunny. Isolated showers late in the morning...then scattered showers in the afternoon. Highs 70 to 81. East winds around 10 mph. Chance of rain 30 percent.
  • Tonight Partly cloudy. Isolated showers in the evening...then scattered showers after midnight. Lows 61 to 71. Light winds. Chance of rain 30 percent.
  • Sunday Mostly sunny in the morning then becoming partly sunny. Scattered showers. Highs 69 to 80. Light winds becoming northeast up to 10 mph in the afternoon. Chance of rain 50 percent.
  • Sunday Night Partly cloudy in the evening then becoming mostly cloudy. Scattered showers. Lows 61 to 71. Northeast winds around 10 mph. Chance of rain 50 percent.
  • Monday Cloudy. Frequent showers in the morning...then frequent showers and slight chance of thunderstorms in the afternoon. Locally heavy rainfall possible in the afternoon. Highs 66 to 78. Northeast winds 10 to 15 mph. Chance of rain 80 percent.
  • Monday Night Breezy. Mostly cloudy with numerous showers and slight chance of thunderstorms. Locally heavy rainfall possible. Lows 58 to 69. North winds around 20 mph. Chance of rain 70 percent.
  • Tuesday Breezy. Partly sunny with scattered showers and slight chance of thunderstorms. Locally heavy rainfall possible. Highs 64 to 76. North winds 15 to 20 mph. Chance of rain 50 percent.
  • Tuesday Night Breezy. Mostly cloudy with scattered showers. Lows 54 to 66. North winds 15 to 20 mph. Chance of rain 50 percent.
  • Wednesday Breezy. Partly sunny with scattered showers. Highs 64 to 76. North winds 15 to 20 mph. Chance of rain 50 percent.
  • Wednesday Night Mostly cloudy with scattered showers. Lows 56 to 67. North winds 10 to 15 mph. Chance of rain 50 percent.
  • Christmas Day Partly sunny with scattered showers. Highs 67 to 78. North winds 10 to 15 mph. Chance of rain 50 percent.
  • Thursday Night Mostly cloudy with scattered showers. Lows 56 to 67. North winds 10 to 15 mph. Chance of rain 50 percent.
  • Friday Partly sunny with scattered showers. Highs 68 to 79. North winds 10 to 15 mph. Chance of rain 50 percent.