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Heavy Rain and Flooding in the Southern Plains to the Great Lakes

Several days of heavy rainfall will lead to flash flooding and river flooding from the Southern Plains to the Southern Great Lakes. A band of freezing rain is forecast across portions of the Southern Plains into the Middle Mississippi Valley. Read More >

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

70°F

21°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 21 Feb 5:53 am HST
Extended Forecast for

Hawaii Volcanoes National Park HI

Flash Flood Watch February 21, 06:00pm until February 23, 06:00pm
Click here for hazard details and duration
Flash Flood Watch
  • Today

    Today: Showers likely, mainly after 1pm.  Widespread haze. Mostly cloudy, with a high near 69. Northwest wind 5 to 8 mph becoming light and variable.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers then
    Showers
    Likely

    High: 69 °F

  • Tonight

    Tonight: Showers likely, then occasional showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall.  Widespread haze. Low around 51. Light and variable wind.  Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    Showers
    Likely then
    Heavy Rain

    Low: 51 °F

  • Thursday

    Thursday: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Widespread haze. High near 69. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    Heavy Rain

    High: 69 °F

  • Thursday
    Night

    Thursday Night: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Widespread haze. Low around 51. Light and variable wind.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    Low: 51 °F

  • Friday

    Friday: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Widespread haze. High near 69. Calm wind becoming southeast 5 to 9 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Heavy Rain

    High: 69 °F

  • Friday
    Night

    Friday Night: Occasional showers. The rain could be heavy at times.  Widespread haze before 7pm. Low around 51. East wind 5 to 11 mph becoming northwest after midnight.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Heavy Rain

    Low: 51 °F

  • Saturday

    Saturday: Occasional showers.  High near 69. Northwest wind 5 to 9 mph becoming southeast in the afternoon.  Chance of precipitation is 80%.

    Showers

    High: 69 °F

  • Saturday
    Night

    Saturday Night: Occasional showers.  Widespread haze after 7pm. Low around 51. East northeast wind around 11 mph.  Chance of precipitation is 80%.

    Showers

    Low: 51 °F

  • Sunday

    Sunday: Occasional showers.  Widespread haze. High near 69. East northeast wind around 10 mph.  Chance of precipitation is 80%.

    Showers

    High: 69 °F

Detailed Forecast

Today
Showers likely, mainly after 1pm. Widespread haze. Mostly cloudy, with a high near 69. Northwest wind 5 to 8 mph becoming light and variable. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, then occasional showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Widespread haze. Low around 51. Light and variable wind. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Thursday
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. High near 69. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Thursday Night
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Low around 51. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. High near 69. Calm wind becoming southeast 5 to 9 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Friday Night
Occasional showers. The rain could be heavy at times. Widespread haze before 7pm. Low around 51. East wind 5 to 11 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Occasional showers. High near 69. Northwest wind 5 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 80%.
Saturday Night
Occasional showers. Widespread haze after 7pm. Low around 51. East northeast wind around 11 mph. Chance of precipitation is 80%.
Sunday
Occasional showers. Widespread haze. High near 69. East northeast wind around 10 mph. Chance of precipitation is 80%.
Sunday Night
Occasional showers. Widespread haze. Low around 51. East northeast wind 8 to 11 mph becoming northwest after midnight. Chance of precipitation is 80%.
Monday
Showers likely. Widespread haze. Mostly cloudy, with a high near 69. Northwest wind around 11 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers likely. Widespread haze. Mostly cloudy, with a low around 51. East northeast wind around 13 mph. Chance of precipitation is 60%.
Tuesday
Showers likely. Widespread haze. Mostly cloudy, with a high near 69. East northeast wind around 11 mph. Chance of precipitation is 60%.
Click Map For Forecast
Point Forecast:
Hawaii Volcanoes National Park HI
 19.43°N 155.26°W (Elev. 3983 ft)
4:01 am HST Feb 21, 2018
6am HST Feb 21, 2018-6pm HST Feb 27, 2018
 
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