Strong Thunderstorms Will Be Impacting Much Of Western & Central Mass Through 2 am (Posted 11 pm Wednesday 7/1/2026)

A line of strong to severe thunderstorms are now making their way across the Berkshires at the time of this post.

It is expected that these thunderstorms will make it into the upper Pioneer Valley within the next 30 minutes or so & then push into the middle and lower Pioneer Valley, including the Springfield Metro by about midnight. These thunderstorms are expected to be strong & be capable of producing upwards of 50 mph wind gusts, torrential downpours & very frequent lightning.

This line of strong thunderstorms is then expected to progress eastward reaching northern parts of Worcester County by around midnight. Central parts of Worcester County, including the Worcester Metro will be affected by these thunderstorms during the 12:30 am to 1:30 am hour. Southern Worcester County, including the Mass Pike, I-84, I-395 and Route 146 will be impacted by these thunderstorms during the 1 am to 2 am hour. These thunderstorms are very likely to be strong & be capable of producing up to 50 mph wind gusts, torrential downpours and very frequent lightning.

If that wasn't enough, other thunderstorms have developed near Belchertown, Palmer and West Brookfield. These thunderstorms will likely affect central and parts of southern Worcester County, mostly areas near and just north of the Mass Pike (this includes the Worcester Metro) over the next hour or so. These thunderstorms will produce gusty winds, heavy downpours and frequent lightning.

More updates will be sent out as needed.

9 pm Wednesday Evening Weather Update For Western & Central Mass

It looks like it's going to be another night of tracking thunderstorms & trying to determine exactly when they will affect Western and Central Mass.

Radar imagery as of the time of this post showed an area of strong thunderstorms that are producing very gusty winds, torrential downpours and very frequent lightning located to the west of Albany, New York. These thunderstorms seem to be tracking in a general east-southeasterly direction at a forward speed of about 30 mph or so.

Based on the current forward motion of these storms, they should move into the Berkshires between 11 and 11:30 pm & then move through the entire Pioneer Valley of Western Mass around midnight.

These thunderstorms will have the capability of producing wind gusts of up to 45 to 50 mph, torrential downpours and frequent lightning when they move through the Berkshires and the Pioneer Valley.

Further east, it currently appears that these thunderstorms may cross much of, if not all of Central Mass during the 1 am to 2 am hour.

These thunderstorms will be capable of producing wind gusts of up to 40 mph, torrential downpours and frequent lightning when they cross Central Mass.

I will be watching these storms closely and will have updates as needed.

Very Hot & Humid Weather Is Expected To Continue Through The Fourth Of July Across Western & Central Mass

For The Rest Of This Afternoon & Tonight: A prolonged period of dangerous heat and humidity is expected across the entire area that’ll last through the Fourth of July. The worst days in terms of heat and humidity will be Thursday and Friday.

Partly sunny skies are expected throughout the rest of this afternoon. Temperatures will be between 90 and 95 Degrees. Dew point temperatures will be in the low to mid 70s. Heat index readings will be between 100 and 105 Degrees throughout the rest of this afternoon. Winds will be West to Southwest at 10 to 20 mph.

Very little relief is expected tonight as low temperatures will only fall to between 70 and 75 Degrees with very humid conditions.

One thing that we will have to watch for very late this afternoon and especially tonight is the possibility of another complex of thunderstorms pushing southward from northern New York State and northern New England and moving through our area. Weather analysis at the time of this post reveals that there is thunderstorms developing over far southern Quebec province, as well as across western New York State.

To me, it appears that the upper level wind flow should guide the complex of thunderstorms that are now located over southern Quebec province to our east & these storms could affect eastern Mass and the Cape very late tonight into the early morning hours of Thursday.

It’s the thunderstorms that are now trying to form over western New York State that we may have to watch as they could try to push across our area during this evening. I do think that Western Mass has the higher chance of seeing thunderstorms, some of which may be strong, during this evening. No matter what occurs, I will be watching the progression of any thunderstorm activity & will update you as needed.

Thursday: Very dangerous heat and humidity is expected on both Thursday and Friday. I strongly recommend everyone to limit your time outdoors as the risk of heat exhaustion and heat stroke is high. If you do need to be outdoors for an extended period of time, drink lots of fluids, find a shaded spot & don’t overexert yourself.

Sunny to partly sunny skies are expected throughout the day on Thursday & it will be very hot and humid. High temperatures will be around 100 Degrees. Dew point temperatures will be near 75 Degrees. Heat index readings by Thursday afternoon will be a very dangerous 110 to 115 Degrees. It should be noted that the Connecticut River Valley may have high temperatures of around 105 Degrees on Thursday afternoon with heat index readings of 115 to 120 Degrees.

Friday: Very dangerous heat and humidity is also expected on Friday with high temperatures of around 100 Degrees and dew point temperatures of 70 to 75 Degrees. Heat index readings by Friday afternoon will be around 110 Degrees. The Connecticut River Valley may have 105 Degree high temperatures on Friday with heat index readings of around 115 Degrees.

Skies during the day on Friday will be partly sunny. It’s possible that scattered thunderstorms will affect the entire area during the late afternoon and evening hours. The atmosphere is expected to be very unstable on Friday due to the high heat and humidity. Because of this, any thunderstorms that do form will probably be strong to severe with very gusty winds, hail, torrential downpours and frequent lightning.

This Weekend: The Fourth of July looks partly sunny & it will be very hot and humid with high temperatures of around 95 Degrees and dew point temperatures of 70 to 75 Degrees. Heat index readings will be near 105 Degrees.

Sunday looks partly sunny & it’ll be hot and humid. In addition, there may be some afternoon and evening scattered thunderstorms. Some of these thunderstorms could be on the strong to severe side. High temperatures will be between 85 and 90 Degrees. Dew point temperatures will be around 65 Degrees.

I will end this weather post with a picture from last winter right after the January 17-18 storm which dropped about 7 inches of snow here in Sturbridge. Hopefully, this picture will give you cool thoughts during this extended period of very hot and humid weather.