Monday Forecast

91 Comments

6:53AM

DAYS 1-5 (JULY 16-20)
Humidity remains high early this week and as fog and low clouds burn off and sun heats the land today a few showers/storms may pop up. Showers/storms will be more widespread later Tuesday with the help of a cold front which will deliver drier air to the region at midweek. Forecast details…
TODAY: Fog and low clouds burn off then partly to mostly sunny by midday into afternoon when isolated showers/thunderstorms will pop up.
Humid. Highs 78-85 coast, 85-92 interior. Wind light variable with coastal sea breezes developing.
TONIGHT: Partly to mostly cloudy. Areas of fog. Humid. Lows 64-72. Wind light S.
TUESDAY: Partly to mostly cloudy. Areas of fog early. Showers and thunderstorms likely from mid afternoon on from west to east. Humid. Highs 75-82 coast, 82-88 interior. Wind SW 5-15 MPH but may be variable and gusty near any storms.
TUESDAY NIGHT: Mostly cloudy. Showers and thunderstorms likely through late evening, especially eastern and southern NH/MA and eastern CT to RI. Areas of fog. Humid. Lows 62-69. Wind light variable but may be gusty near any storms early, then N up to 10 MPH overnight.
WEDNESDAY: Mostly cloudy morning with possible showers, especially Cape Cod, then clearing. Less humid. Highs 75-82. Wind N 5-15 MPH.
THURSDAY: Mostly sunny. Lows in the 60s. Highs from the upper 70s to middle 80s.
FRIDAY: Mostly sunny. Lows in the 60s. Highs in the 80s but cooler some coastal areas.

DAYS 6-10 (JULY 21-25)
The weekend of July 21-22 should feature only isolated thunderstorms Saturday but a better opportunity for showers/storms during Sunday. Into next week, a pattern transition to ridge West, trough Midwest / Great Lakes, ridge off East Coast will be underway with higher humidity common, warm to at times hot, but almost daily opportunities for at least isolated showers and thunderstorms.

DAYS 11-15 (JULY 26-30)
The pattern that develops during the days before this likely continues during this period.

91 thoughts on “Monday Forecast”

  7. Thank you, TK. I have discovered whw has another great benefit. I was waiting for today’s blog because I thought it was Tuesday. Then I saw everyone saying thank you. Whw gave me a whole extra vacation day 😉

  10. As Vicki posted earlier, the immediate coastline has dim hazy sun through low stratus and fog. I am seeing that in brant rock village as well.

    Meanwhile, 2 miles inland, the low cloud line recedes to the east and on the western horizon are those orangy/pink building cumulus clouds of a very hazy, warm, humid day.

      1. We are back.

        My daughters are starting their summer activities today and yours truly is driving back and forth and back and forth and …. 🙂

        Thanks, we did have a great time. I love Maine. The first week was slowly pushing through that heat, where the second week was much more ‘normal’ camping.

  11. Something may pop here soon just south of Hanover/Pembroke line.

    Towering cumulus, some with dark bases. It is nasty away from the coast, hot and humid !!!!!

      1. Yes, it’s really neat.

        1 mile inland, you first lose the fog, then the low clouds and all of a sudden, the western horizon is dotted with beautiful towering cumulus.

        1. Crazy. I can’t even see 1/4 way across the river. There are boats moored in the middle that I cannot even see an outline of

  12. 4 widely scattered cells out there. Not much coverage for sure. We shall see IF
    anything else pops.

    https://radblast.wunderground.com/cgi-bin/radar/WUNIDS_map?station=BOX&brand=wui&num=10&delay=15&type=N0R&frame=0&scale=0.4782608695652174&noclutter=0&showstorms=0&mapx=400&mapy=240&centerx=525.4545454545455&centery=294.3636363636364&transx=125.4545454545455&transy=54.363636363636374&showlabels=1&severe=0&rainsnow=0&lightning=Hide&smooth=0&rand=25529351&lat=0&lon=0&label=you

    Just came into the office as I had a furniture delivery this morning. 8-Noon window, of course they came about 11;30.

    In any case, walking into the office, experienced a very nice sea breeze here, temp
    79. very humid and still feels HOT. I can only imagine IF no sea breeze.

    2. If you look very closely, it looks like a tiny cell popped near Blue Hill
      and then dissipated.

  13. If it wasn’t for the daily seabreezes Logan would have easily reached its average (14) of 90 degree days by now. I believe it is at 8 so far?

  15. Here we go again from the Boston/Norton NWS office….

    There is a
    modest low level jet with 0-1km shear 20-30 kt and 0-1km
    helicity over 100 units so if strong storms can develop,
    the potential exists for a few rotating storms.

    Boldness mine…

    1. Tomorrow or today? OS can you and Mrs OS just come stay here so we have an on site tornado expert. Pahleeezz

  16. Down to 71 at the airport as of 2PM.
    What a different world there, oh so different from where most of the residents
    are.

  20. I was on ocean side so only heard waves. Moved to river side when I saw your comment. Clouds are building to the west but I don’t hear anything. Look as if it might slip just north of me

    1. Clouds left behind from fog that burned off are moving very quickly south to north parallel to coast

  21. If one looks closely at JPDave’s radar just above, can see, I think the western side of the storm slightly pushing the seabreeze boundary back south, but on the eastern side, perhaps pushing the seabreeze boundary northeast. There may be a good amount of heat inflow on the southeast side of this cell, as it is very warm in Plymouth and Taunton.

    1. I think so, though one up by Quincy seems to be pulsing a bit and one further northwest is really pulsing up.

  27. 18Z NAM sounding for central ma tomorrow PM:

    https://imgur.com/a/eeC9DAN

    Shows threat of tornado. Note: I have noticed that these sounding threats from
    these model sites tend to over do the threat. Even so, something to watch.

  28. Wow!! Did that storm ever go POOF as it approached the coast and hit the brunt
    of the sea breeze. That marine air will do it every time!

  29. FWIW,

    The 18Z 3KM NAM has the activity coming through well after the day time heating.
    Something like 8-11PM in the Boston Area. We shall see, but this could mean
    we get screwed out of badly needed RAIN.

        1. Just?????
          Those phone cameras are awesome.

          I love my Samsung S8 camera, it is out of this world.

          1. I do think they have good cameras but with my daughters graduation through the different kinds they aren’t quite the same. But I suspect she is heading toward a bit of a profession

    1. The sea breeze was fairly weak today and the gradient wind takes over easily tonight.

    2. So it did. But quite comfy here still. It has been 71 all day. Breeze was enough to have everyone except me in a long sleeve top

  34. Tomorrow will likely be a busy day of severe weather and flash flooding, highest confidence in western and central New England, but threats may exist all the way to the BOS-PVD corridor. The synoptic pattern is very favorable. I’m a big believer in jet streak strength/positioning being a significant factor in the overall evolution, and we’ll be in the right entrance region of a potent upper jet streak. Extremely high moisture values (PWATs >2″), which aids in building instability even if sunshine is a little limited. Shear is decent, though not great. May support some supercells initially well to the west, but things should grow upscale into a line/line segments pretty quickly.

    Main limiting factor will be that mid-level lapse rates are not very steep. As is usually the case, no remnant EML this time.

  38. New post!

    I’ll be busy until shortly after 2PM then following whatever there is to follow.

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