National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong System To Move Through East; Very Unsettled Hawaii and Alaska

A strong cold front will sweep through the East on Monday with lake effect snow, high winds and strong to severe thunderstorms. Meanwhile, a powerful Kona low will produce multiple hazards across Hawaii, including heavy rain and potential catastrophic flooding. Finally, a winter storm is impacting Alaska as blizzard and winter storm warnings are in effect for much of western and southern Alaska. Read More >

Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

77°F

25°C

Humidity 77%
Wind Speed S 7 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 5 Dec 11:53 pm HST
Extended Forecast for

Hilo International Airport HI

Flood Watch until December 7, 06:00pm
Wind Advisory until December 6, 06:00am
High Surf Warning until December 6, 06:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
High Surf Warning
  •  
    Flood Watch until December 7, 06:00pm
    Wind Advisory until December 6, 06:00am
    High Surf Warning until December 6, 06:00am

    NOW: Multiple
    hazards in effect

    Click HERE for Details

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain. Low around 71. Breezy, with a south wind around 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain
    and Breezy

    Low: 71 °F

  • Monday

    Monday: Showers and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain. High near 78. South southeast wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.

    Heavy Rain

    High: 78 °F

  • Monday
    Night

    Monday Night: Showers. The rain could be heavy at times. Low around 70. South wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    Heavy Rain

    Low: 70 °F

  • Tuesday

    Tuesday: Scattered showers. The rain could be heavy at times. Mostly cloudy, with a high near 82. Southeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New precipitation amounts between three quarters and one inch possible.

    Heavy Rain

    High: 82 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 69. Southeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Scattered
    Showers

    Low: 69 °F

  • Wednesday

    Wednesday: Scattered showers. Mostly sunny, with a high near 81. East southeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Scattered
    Showers

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 67. Southeast wind 5 to 9 mph. Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 67 °F

  • Thursday

    Thursday: Scattered showers, mainly before noon. Partly sunny, with a high near 81. South southeast wind around 6 mph becoming east northeast in the afternoon. Chance of precipitation is 40%.

    Scattered
    Showers

    High: 81 °F

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain. Low around 71. Breezy, with a south wind around 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain. High near 78. South southeast wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.
Monday Night
Showers. The rain could be heavy at times. Low around 70. South wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
Scattered showers. The rain could be heavy at times. Mostly cloudy, with a high near 82. Southeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 69. Southeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Scattered showers. Mostly sunny, with a high near 81. East southeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 67. Southeast wind 5 to 9 mph. Chance of precipitation is 50%.
Thursday
Scattered showers, mainly before noon. Partly sunny, with a high near 81. South southeast wind around 6 mph becoming east northeast in the afternoon. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 67. East northeast wind around 5 mph becoming calm. Chance of precipitation is 40%.
Friday
Scattered showers before noon. Mostly sunny, with a high near 81. East wind 5 to 7 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 67. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday
Scattered showers. Partly sunny, with a high near 81. Calm wind becoming east 5 to 7 mph. Chance of precipitation is 40%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 67. Calm wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 81. Northeast wind 7 to 13 mph. Chance of precipitation is 70%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Hilo International Airport HI
 19.72°N 155.04°W (Elev. 39 ft)
Last Update:
6:00 pm HST Dec 5, 2021
Forecast Valid:
11pm HST Dec 5, 2021-6pm HST Dec 12, 2021
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation