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

Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Partly Cloudy

75°F

24°C

Humidity 79%
Wind Speed E 5 mph
Barometer 29.80 in (1008.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 21 Feb 4:53 pm HST
Extended Forecast for

Hilo International Airport HI

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. Light south southeast wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Heavy Rain

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then scattered showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Heavy Rain
    then
    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 77. Light and variable wind becoming east northeast around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Mostly Sunny
    then Heavy
    Rain

  • Sunday Night

    Sunday Night: Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 63. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 63 °F

    Heavy Rain
    then Isolated
    Showers

  • Monday

    Monday: Scattered showers, mainly after noon. Mostly sunny, with a high near 77. Calm wind becoming north northeast 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    High: 77 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Showers. The rain could be heavy at times. Low around 63. North northwest wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Heavy Rain

  • Tuesday

    Tuesday: Showers likely, mainly after noon. Partly sunny, with a high near 76. Northeast wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 63. North northeast wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Scattered showers. Mostly cloudy, with a high near 73. North northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 50%.

    High: 73 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. Light south southeast wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before midnight, then scattered showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 77. Light and variable wind becoming east northeast around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 63. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Monday
Scattered showers, mainly after noon. Mostly sunny, with a high near 77. Calm wind becoming north northeast 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers. The rain could be heavy at times. Low around 63. North northwest wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Showers likely, mainly after noon. Partly sunny, with a high near 76. Northeast wind 5 to 8 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 63. North northeast wind 5 to 7 mph. Chance of precipitation is 60%.
Wednesday
Scattered showers. Mostly cloudy, with a high near 73. North northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 50%.
Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 63. Light west wind. Chance of precipitation is 60%.
Thursday
Scattered showers. Partly sunny, with a high near 73. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 62. Breezy, with a south southeast wind 6 to 15 mph becoming southwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Friday
Isolated showers. Mostly sunny, with a high near 74. Southwest wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 30%.
Saturday
Isolated showers. Mostly sunny, with a high near 74. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.7°N 155.09°W (Elev. 217 ft)
Last Update:
4:01 pm HST Feb 21, 2026
Forecast Valid:
5pm HST Feb 21, 2026-6pm HST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation