Summer Heat Continues; Severe Weather For Northeast

A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, southern Plains, Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, severe thunderstorms are in the forecast for the Northeast into the northern Mid-Atlantic for damaging winds.
Read More...

Last Update: 302 PM PDT Tue Aug 20 2019

View Nearby Observations

For More Weather Information:

Seattle, WA Local Forecast Office

10NM NNW Seattle WA

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT PDT TONIGHT

Synopsis: PZZ100-210715- 302 PM PDT Tue Aug 20 2019 .Synopsis for the northern and central Washington coastal and inland waters...Southerly flow most waters, except westerlies in the strait through tonight. A cold front will cross the area tonight and Wednesday. Onshore flow will persist through the rest of the week. A much weaker front will pass to the north later Friday and Saturday. $$

Tonight
SW wind 5 to 15 kt becoming S 15 to 25 kt after midnight. Wind waves 2 ft or less building to 2 to 4 ft after midnight. A slight chance of showers after midnight.
Wed
S wind 15 to 25 kt easing to 10 to 20 kt in the afternoon. Wind waves 2 to 4 ft. Showers.
Wed Night
S wind 5 to 15 kt. Wind waves 2 ft or less. Showers likely in the evening then a chance of showers after midnight.
Thu
SW wind to 10 kt becoming N in the afternoon. Wind waves 1 ft or less.
Thu Night
N wind 5 to 15 kt becoming NE after midnight. Wind waves 2 ft or less.
Fri
N wind 5 to 15 kt becoming NE in the afternoon. Wind waves 2 ft or less.
Fri Night
N wind 5 to 15 kt becoming variable to 10 kt after midnight. Wind waves 2 ft or less.
Sat
S wind to 10 kt becoming N. Wind waves 2 ft or less.
Sun
S wind to 10 kt becoming N. Wind waves 1 ft or less.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 302 PM PDT Tue Aug 20 2019
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data