Widespread, Significant Severe Storms; Blistering Heat; Persistent Monsoon and Fire Weather Threats

A swath of severe weather is forecast from the Middle South to the Great Lakes. Very large hail, significant damaging winds, and tornadoes will be possible; especially; from northwestern Tennessee to southwestern Ohio. The south-central U.S. remains excessively hot, with Heat Indices over 110 degrees. Monsoon moisture continues threats of local flash floods, and dry thunderstorms in the west.
Read More...

Last Update: 333 AM HST Fri Jul 20 2018

View Nearby Observations

For More Weather Information:

Honolulu, HI Local Forecast Office

26NM SSE Naalehu HI

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

Synopsis: PHZ100-210230- 333 AM HST Fri Jul 20 2018 .Synopsis for Hawaiian coastal waters... High pressure far northeast of the islands will maintain east trade winds through the period. Locally breezy winds will ease slightly tonight, before becoming locally breezy again by late in the weekend and early next week. $$

Today
Northeast winds to 25 knots. Wind waves 7 feet. Isolated showers in the morning. Haze through the day.
Tonight
Northeast winds 20 knots. Wind waves 6 feet. Haze. Isolated showers.
Saturday
Northeast winds 20 knots. Wind waves 5 feet. South swell 3 feet. Isolated showers in the morning. Haze through the day.
Saturday Night
Northeast winds 20 knots. Wind waves 5 feet. South swell 3 feet. Haze. Isolated showers.
Sunday
Northeast winds to 25 knots. Wind waves 6 feet. South swell 3 feet. Haze in the morning. Isolated showers in the morning, then scattered showers in the afternoon.
Sunday Night
Northeast winds to 25 knots. Wind waves 7 feet. South swell 3 feet. Scattered showers through the night. Haze after midnight.
Monday
Northeast winds to 25 knots. Wind waves 7 to 8 feet. South swell 3 feet. Scattered showers.
Tuesday
Northeast winds to 25 knots. Wind waves 8 feet. Haze. Scattered showers.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 333 AM HST Fri Jul 20 2018
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data