Strong To Severe Thunderstorms Possible On Both Saturday Afternoon & Sunday Afternoon

For The Rest Of Today: Plenty of sunshine with hot and humid conditions are expected for the rest of today. High temperatures this afternoon will be between 89 and 92 Degrees.

Tonight: A piece of upper atmospheric energy will move across southern New England late tonight.

Partly cloudy skies this evening will give way to cloudy skies after midnight. Some scattered showers and perhaps a rumble of thunder is possible very late tonight into the early morning hours of Saturday.

Low temperatures tonight will be between 65 and 70 Degrees.

Saturday: It appears that the ingredients will be coming together for at least a few strong to severe thunderstorms Saturday afternoon across Western and Central Mass.

A cold front is forecast to push through southern New England during Saturday afternoon. It is looking more and more probable that thunderstorms will enter far northwestern Mass during the early afternoon hours. These thunderstorms, some of which will likely be strong to severe, will push southeastward across Western and Central Mass between about 2 pm and 6 pm Saturday.

The combination of very humid conditions and temperatures by Saturday afternoon that will be well into the 80s will lead to an atmosphere that is quite unstable during Saturday afternoon. In addition, mid-level winds are expected to increase during the afternoon leading to an environment that is favorable for organized severe thunderstorm development.

At this point, it appears that the area with the highest severe weather risk will be areas along and south of the Mass Pike where the greatest amount of unstable air may be. With that said, it should be noted that all of Western and Central Mass will be at risk for severe weather between about 2 pm and 6 pm Saturday, especially if the frontal system slows down a little more than what is forecast right now.

The main risk from any severe thunderstorms Saturday afternoon will be strong wind gusts of up to 50 to 60 mph. Large hail could also be a threat and the possibility for a tornado or two cannot be completely ruled out, especially with any rotating storms, but the tornado risk looks quite low at this time.

Finally, I would like to urge you to ignore any “end of the World” severe weather predictions for Saturday that may be out there. While, yes, there is the possibility for a few severe thunderstorms, it doesn’t look like a full-blown severe weather outbreak. Make no mistake though, I will be monitoring the thunderstorm activity closely for you and will have frequent updates as conditions warrant.

Sunday: Another round of thunderstorms is likely to move from northwest to southeast across Western and Central Mass from late Sunday morning through Sunday afternoon.

The atmosphere may once again be quite unstable and a few strong to severe thunderstorms look likely across the region during Sunday afternoon. Hail and strong wind gusts look to be the main threat. Sunday afternoon’s potential severe weather will be something that I will be monitoring quite closely.

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