Dangerous Heat and Humidity Building from the Plains to the East Coast

A strengthening ridge of high pressure will produce much above average temperatures from the Plains to the East Coast, a true summer heat wave. Highs in the 90s and triple digits combined w/ humidity and dewpoints surging into the upper 70s, if not low 80s, will create heat indices as high as 110 to 115 through this weekend. Air quality will likely be poor due to haze and little air circulation.
Read More...

Last Update: 805 AM EDT Thu Jul 18 2019

View Nearby Observations

For More Weather Information:

Grand Rapids, MI Local Forecast Office

4NM W Muskegon MI

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...
Today
South winds 15 to 20 knots. Showers and thunderstorms likely. Waves 2 to 4 feet.
Tonight
Southwest winds 15 to 20 knots. Showers and thunderstorms likely. Waves 2 to 4 feet.
Friday
Southwest winds 10 to 20 knots. Partly sunny with a chance of showers and thunderstorms. Waves 3 to 5 feet.
Friday Night
Southwest winds 10 to 15 knots. Partly cloudy with a chance of showers and thunderstorms. Waves 2 to 4 feet.
Saturday
West winds 10 to 15 knots veering northwest late in the day. Partly sunny with a chance of showers and thunderstorms. Waves 1 to 3 feet.
Sunday
Northeast winds 5 to 10 knots backing north 10 to 15 knots. Partly sunny with a chance of showers and thunderstorms. Waves 1 foot or less.
Monday
North winds 10 to 15 knots. Sunny. Waves 1 to 2 feet.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 805 AM EDT Thu Jul 18 2019
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data