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...

Last Update: 224 AM PDT SUN JUL 24 2016

View Nearby Observations

58NM SW Santa Cruz CA

Marine Zone Forecast

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

Synopsis: GREATER FARALLONES...AND CORDELL BANK NATIONAL MARINE SANCTUARIES...

STRONG HIGH PRESSURE OFF THE COAST AND LOW PRESSURE INLAND WILL CONTINUE TO PRODUCE GUSTY NORTHERLY WINDS ALONG THE COAST. THE STRONGEST WINDS WILL BE OVER THE OUTER WATERS AND LOCALLY NEARSHORE NORTH OF POINT REYES AND SOUTH OF POINT SUR. STEEP WIND WAVES WILL BE POSSIBLE DUE TO THE GUSTY WINDS. GUSTY WINDS WILL CONTINUE INTO EARLY NEXT WEEK.

Today
NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 9 to 11 ft at 9 seconds. Patchy fog in the morning.
Tonight
NW winds 10 to 20 kt. Wind waves 2 to 4 ft. NW swell 8 to 10 ft at 9 seconds. Patchy fog after midnight.
Mon
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 8 to 10 ft at 9 seconds. Patchy fog in the morning.
Mon Night
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 7 to 8 ft at 9 seconds. Patchy fog after midnight.
Tue
NW winds 10 kt. Wind waves 2 ft or less. NW swell 6 to 8 ft at 10 seconds. Patchy fog in the morning. Patchy fog after midnight.
Wed
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 5 to 7 ft. Patchy fog.
Thu
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 5 to 6 ft. Patchy fog.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 224 AM PDT SUN JUL 24 2016
  Forecast Discussion
  Get as KML  Get as XML

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data