John_Heyman's Blog

The cool shot of air that arrived Saturday night is right over us this morning as we're waking up to some chilly temperatures. Most suburbs dropped into the 30's overnight and there is even some patchy frost north and west of the city. The cool air mass will quickly moderate today, however, as the strong May sun goes to work. High pressure is still in complete control of our weather and will give us another beautiful week of spring weather.

The one difference this week will be the location of the high pressure. Last week and over the weekend, the high pressure was anchored to our north giving us a cool, dry northerly wind. The cool, dry air allowed clear, crisp nights followed by sunny, mild days. Later today and tomorrow, the high pressure will finally slip to our south giving us a warmer, more humid southerly wind. The result for the rest of the week will be will still be the same in the sky department as plenty of sun will continue. Temperatures, however, will slowly rise along with humidity, giving us warmer days and mild nights.

Monday:  After a chilly start, we'll see a comfortably mild afternoon as the bright May sunshine goes to work. Temperatures will top out in the mid to upper 60's across the area with the warmest locations topping out in the low 70's. If you favor the cool nights, make sure you enjoy tonight. We'll see one more chilly night as the clear skies and light wind allow radiational cooling.

Tuesday:  Tuesday morning will be another chilly one, but it will be about five degrees warmer than Monday morning. Most suburbs will start out in the upper 30's before sunny skies once again go to work. With the warmer southwesterly wind in play, temperatures will steadily climb into the afternoon. High temperatures will reach the mid 70's across much of the area.  Watch for a seabreeze to keep temperatures in the 60's along the coast.

Wednesday:  We'll tack on another 5-10 degrees for Wednesday morning's temperatures across the area as the southerly wind will keep temperatures up a bit Tuesday night. Temperatures will start out in the 40's and low 50's which will be a good launching pad for a warm day. Under plenty of sun, much of the area could approach or hit 80 degrees as the warm, southwesterly wind continues.  Inland areas could hit the low 80's while coastal areas struggle to reach 70. Humidity levels will also creep up a bit on Wednesday making it feel even warmer.

Thursday:   Thursday will be a warm day from start to finish. Because of the higher humidity and southwesterly wind, temperatures Wednesday night will not fall below 60 degrees in the city. With a warm start and hazy sun, temperatures will rise quickly into the 70's by early afternoon. Inland areas will continue to rise into the low 80's. Moderate humidity levels will combine with the warmth making it feel more like early summer.  A seabreeze will limit temperatures near the coast, however, keeping highs in the 70's.

Friday:  Friday will be a repeat performance of Thursday. It will be warm and humid with a mix of hazy sun and clouds. High temperatures will range from the lower 80's inland to the upper 60's along the coast. A weak cold front will approach the area late Friday. This cold front could touch off a few showers or thunderstorms late in the afternoon or evening so keep your eye on the forecast.