Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend.
Read More...

Hazardous Weather Conditions

Last Update: 510 AM HST SUN JUL 24 2016

View Nearby Observations

For More Weather Information:

Honolulu, HI Local Forecast Office

21NM S Wailea-Makena HI

Marine Zone Forecast

...TROPICAL STORM WARNING IN EFFECT...

Synopsis: AT 5 AM HST...TROPICAL STORM DARBY WAS CENTERED NEAR 19.8N 157.3W...OR ABOUT 95 MILES SOUTH-SOUTHEAST OF HONOLULU HAWAII... AND WAS MOVING WEST-NORTHWEST 08 KT. ELSEWHERE...A STRONG PRESSURE GRADIENT BETWEEN DARBY AND A HIGH FAR NORTH OF THE AREA WILL GENERATE FRESH TO STRONG NORTHEAST WINDS. HIGH PRESSURE WILL REMAIN NORTH OF THE STATE THROUGH THE MIDDLE OF THE WEEK.

Today
Tropical storm conditions expected. Southeast winds 30 kt. Gusts up to 45 kt. Wind waves 9 ft. Swell east 4 to 5 ft. Frequent heavy showers and isolated thunderstorms.
Tonight
Southeast winds 15 kt. Wind waves 5 ft. Swell east 3 to 4 ft. Frequent heavy showers in the evening. Isolated thunderstorms through the night. Showers likely after midnight.
Monday
East winds 15 kt. Wind waves 3 ft. Swell east 3 ft. Haze. Scattered showers.
Monday Night
East winds 20 kt. Wind waves 4 ft. Swell east 3 ft. Scattered showers in the evening...then isolated showers after midnight.
Tuesday
East winds 20 kt. Wind waves 4 ft. Scattered showers.
Tuesday Night
Northeast winds 25 kt. Wind waves 6 ft. Scattered showers in the evening...then isolated showers after midnight.
Wednesday
Northeast winds 25 kt. Wind waves 6 ft. Swell east 3 ft. Isolated showers.
Wednesday Night
Northeast winds 30 kt. Wind waves 8 ft. Swell east 3 to 4 ft. Isolated showers.
Thursday
Northeast winds 25 kt. Wind waves 8 ft. Swell east 4 ft. Isolated showers in the morning.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 510 AM HST SUN JUL 24 2016
  Forecast Discussion
  Get as KML  Get as XML

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data