Wednesday May 7 2025 Forecast (7:27AM)

40 Comments

DAYS 1-5 (MAY 7-11)

Upper level low pressure continues to impact our weather, but there will be a different overall feel today as we’re now in a warmer southerly air flow. We’ll also see breaks in the clouds and partial sun but this will fuel some convective showers and a few thunderstorms that can move across the region from mid afternoon through early evening. Activity can occur anywhere but will favor areas north of I-90, from west to east, and can produce brief downpours. A surface low associated with the upper low will wander eastward and we’ll find ourselves in slightly drier air behind it on Thursday. During that day, the shower chance will be minimal and we’ll have a northerly air flow, albeit light. But we’re not completely done with the foul weather associated with our blocking pattern, and another surface low will be evolving and moving into our area for late week. I’ve been leaning toward a slightly faster evolution and timing of this system. This means that the rain chance would increase as early as Thursday evening, and then be with us mostly during the day on Friday. What happens as we get to the weekend depends on the progression of low pressure. Some guidance has it slower-moving and wet weather lasting into Saturday. Other guidance keeps the system more progressive and moves it out more quickly. Either can occur, and I’m leaning toward a split with a slight tilt toward the quicker solution. I realize this goes against the general rule of thumb for spring blocking, so yes it’s a bit of an “out on the limb” prognostication. However, if this proves to be how it does go, we’d have improvement Saturday with just a possible lingering shower, and great weather Sunday, so the weekend would turn out pretty decent.

TODAY: Clouds break for sun at times. Scattered showers and isolated thunderstorms mid afternoon on. Highs 58-65 South of I-90, 65-72 I-90 northward. Wind SE to S up to 10 MPH.

TONIGHT: Variably cloudy. Patchy fog. Chance of a shower. Lows 50-57. Wind variable up to 10 MPH.

THURSDAY: Variably cloudy. Chance of a shower. Highs 65-72. Wind NW to N up to 10 MPH.

THURSDAY NIGHT: Cloudy. Showers likely. Lows 51-58. Wind N to NE 5-15 MPH.

FRIDAY: Cloudy. Rain likely. Temperatures generally steady 51-58. Wind NE 5-15 MPH.

FRIDAY NIGHT: Cloudy. Chance of rain. Lows 45-52. Wind NE 5-15 MPH.

SATURDAY: Mostly cloudy to partly sunny. Chance of showers. Highs 57-64. Wind NE to NW 5-15 MPH.

SATURDAY NIGHT: Partly cloudy. Lows 48-55. Wind NW up to 10 MPH.

SUNDAY: Partly sunny. Highs 65-72. Wind NW up to 10 MPH.

DAYS 6-10 (MAY 12-16)

No big changes to the previous outlook which suggests the blocking pattern reorganizes and coexists with some progression of the large scale features. This should give us a period of fair and milder weather early to mid next week before an unsettled weather threat evolves.

DAYS 11-15 (MAY 17-21)

Continuing to lean toward a hybrid partial blocking / partial progressive pattern. Overall this is a drier pattern with variable but mostly near normal temperatures, and no sharply defined weather systems in control.

40 thoughts on “Wednesday May 7 2025 Forecast (7:27AM)”

  1. I have tried not to criticize media too much, but this one, ouch.

    The Weather Channel referred, last week, to this week’s pattern is a “rare omega block”. Except, omega blocks are actually rather common. So, they were completely in error. Hope they pay closer attention going forward. Unfortunately, it’s far from the first time in recent history I have seen them botch something that badly.

    The creators of that channel had a far different vision for its use than what is going on there now, and it’s a shame. I know things change, but this is one thing that shouldn’t have.

      1. Explains why I have not watched TWC in a very long time and unsubscribed to WAPO over a year ago.

      1. Optimisic – may start damp but should be trending in the right direction.

  5. Thanks TK! The Weather Channel was never the same after my all time favorites John Hope and Dave Schwartz left. That hype makes me sad. The glory days for TWC are long gone

  7. Good morning and thank you TK.

    I haven’t watched the weather channel in so long I can’t even remember. A long time!!!

    1. HAHAHA

      good name for it too…

      Kind of like when MTV became the Everything Stupid But Definitely No Music television network.

  11. Thanks TK.

    Haven’t watched the weather channel in years. Used to love back in the day. Loved the updates at 8 when I was young and it would snow.

    1. I was driving south on I-93 Reading / Woburn and got clipped. HRRR nailed this … had the small broken cluster, and the broken line behind it. I’m wondering, do they really want to replace this model with the new version? Maybe it should wait a bit… haha.

      Meanwhile the GFS’s performance scores are declining, but that’s no surprise. Less data = poorer output.

  14. Jimmy B – happy birthday! Or maybe I should say Happy Jimmy Bday! haha ….

    You mentioned Dave Schwartz earlier. He was a big favorite of mine, and he represented some of the best of what TWC was before it really took a dive. We lost Dave to cancer in 2016, and this is a tribute put together for him. If you’ve never seen it, it’s worth watching. If you have seen it, it’s worth watching again…

    https://www.youtube.com/watch?v=f8E3M6aDQEY

    1. TK! This is great. Thanks for sharing. I remember back in 1996 and my buddies and I had a summer house in Hampton Bays in Long Island. It was 4th of July weekend and the weather was pretty miserable. We had TWC on that weekend and he was talking about all these “green blobs” on the radar. Then there were tornado watches and severe thunderstorms in KANSAS! KANSAS! KANSAS! We were so enthralled with his enthusiasm that the crappy weather that weekend didn’t bother us anymore. That video was a real birthday treat TK. I am going to share that with my friends from “back in the day” Thank you!

  15. Sure is quiet …. I’d say we need a snow storm since we get hundreds of comments when they are in sight. But maybe I shouldn’t since we are coming up on a snow day 48 years ago

    1. Thanks for the reminder Vicki. 🙂

      May 9, 1977 = 0.5” Boston ❄️

      Not to mention several inches in suburbs which produced a snow day for many, even for this (former) Bostonian. 😉

      1. I hope Jimmy can produce one of his “NWS” snow maps for the May 1977 event. I believe we would have to wait for this Friday (5/9) to officially commemorate. 🙂 ❄️

      2. 🙂

        I saw quickly so please don’t hold me to this… 14 May snow events but only two accumulating. This was one of those two.

        Again …I’m going from memory and at ny age that is spotty at best

    1. Well, it’s only early May. And, they’re pretty much right about where any realistic expectations have them. 🙂

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