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Heavy Rain and Flood Threat Continues; Wintry Mix Extends from the Plains to the Northeast; and Snow in the West

Additional rainfall from the Southern Plains to the Ohio Valley will enhance the threat for additional flash flooding and main stem river flooding. Areas of accumulating snow and ice are expected across portions of the Central Plains to the Northeast. The Western U.S. will mainly be cold with the threat for heavy snow across parts of northern California, the Great Basin and the central Rockies. Read More >

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

A Few Clouds

74°F

23°C

Humidity 91%
Wind Speed Calm
Barometer 30.02 in (1016.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 21 Feb 6:53 pm HST
Extended Forecast for

3 Miles WNW Keaau HI

Flash Flood Watch until February 23, 06:00pm
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until February 23, 06:00pm

    NOW until
    6:00pm Fri

    Flash Flood Watch

  • Tonight

    Tonight: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 63. Southeast wind 5 to 7 mph becoming west southwest after midnight.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    Low: 63 °F

  • Thursday

    Thursday: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 76. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    High: 76 °F

  • Thursday
    Night

    Thursday Night: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 63. West southwest wind around 6 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    Low: 63 °F

  • Friday

    Friday: Occasional showers.  High near 76. West southwest wind 6 to 8 mph becoming east northeast in the morning.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Showers

    High: 76 °F

  • Friday
    Night

    Friday Night: Occasional showers.  Low around 63. Southeast wind 5 to 8 mph becoming west southwest in the evening.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Showers

    Low: 63 °F

  • Saturday

    Saturday: Occasional showers.  High near 77. West southwest wind 5 to 8 mph becoming east northeast in the morning.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers

    High: 77 °F

  • Saturday
    Night

    Saturday Night: Occasional showers.  Low around 64. Southeast wind 3 to 7 mph.  Chance of precipitation is 90%.

    Showers

    Low: 64 °F

  • Sunday

    Sunday: Occasional showers.  High near 76. East southeast wind 3 to 8 mph.  Chance of precipitation is 90%.

    Showers

    High: 76 °F

Detailed Forecast

Tonight
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 63. Southeast wind 5 to 7 mph becoming west southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 63. West southwest wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday
Occasional showers. High near 76. West southwest wind 6 to 8 mph becoming east northeast in the morning. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Occasional showers. Low around 63. Southeast wind 5 to 8 mph becoming west southwest in the evening. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Occasional showers. High near 77. West southwest wind 5 to 8 mph becoming east northeast in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Occasional showers. Low around 64. Southeast wind 3 to 7 mph. Chance of precipitation is 90%.
Sunday
Occasional showers. High near 76. East southeast wind 3 to 8 mph. Chance of precipitation is 90%.
Sunday Night
Occasional showers. Low around 62. Southeast wind 5 to 7 mph becoming west southwest in the evening. Chance of precipitation is 80%.
Monday
Occasional showers. High near 77. West southwest wind 7 to 10 mph becoming east northeast in the morning. Chance of precipitation is 80%.
Monday Night
Occasional showers. Low around 62. East southeast wind around 9 mph becoming west southwest in the evening. Chance of precipitation is 80%.
Tuesday
Occasional showers. High near 77. West southwest wind 8 to 10 mph becoming east northeast in the morning. Chance of precipitation is 80%.
Tuesday Night
Occasional showers. Low around 62. East southeast wind around 8 mph becoming west southwest in the evening. Chance of precipitation is 80%.
Wednesday
Occasional showers. High near 77. West southwest wind 8 to 10 mph becoming east northeast in the morning. Chance of precipitation is 80%.
Click Map For Forecast
Point Forecast:
3 Miles WNW Keaau HI
 19.63°N 155.09°W (Elev. 794 ft)
6:01 pm HST Feb 21, 2018
7pm HST Feb 21, 2018-6pm HST Feb 28, 2018
 
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