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Climate & Weather

Significant Weather Blog

This blog contains forecast discussions of pending significant weather events prepared by Robert Thompson, retired Meteorologist-in-Charge of the National Weather Service (NWS) Forecast Office in Norton, MA and former Board Chairman and current Board member of the Blue Hill Observatory and Science Center (BHOSC). The discussions are not a substitute for the official forecasts and warnings issued by the NWS Norton Forecast Office. They are intended as a complementary, educational resource for visitors to this web site. The forecast discussions provided here are the opinions of Mr. Thompson, and BHOSC accepts no liability associated with this information.

Significant Weather Blog Jun 22, 2026
Significant Weather Outlook: Monday, June 22, 2026 9 AM

Significant Weather Weekly Outlook  A steady rain this afternoon and tonight will help make a dent in this year’s precipitation deficit to…

Significant Weather Blog Jun 18, 2026
Significant Weather Blog: Thursday, June 18, 2026 8 AM

Risk of Severe Thunderstorms This Afternoon/Evening An approaching cold front may trigger strong to severe thunderstorms this afternoon and evening across southern…

Significant Weather Blog Jun 15, 2026
Significant Weather Outlook: Monday, June 15, 2026 10 AM

Significant Weather Weekly Outlook There looks to be little risk for significant weather for at least most of this week as well…

Significant Weather Blog Jun 14, 2026
Significant Weather Blog: Sunday, June 14, 2026 9 AM

Isolated Strong to Severe Thunderstorms Possible this Evening across Western Massachusetts and Connecticut  Dry weather should prevail across most of southern New…

Significant Weather Blog Jun 12, 2026
Significant Weather Blog: Friday, June 12, 2026 12 PM

Isolated Strong to Severe Thunderstorms Possible this Evening across Western Massachusetts and Connecticut An approaching, albeit weakening, cold front will trigger scattered…

Significant Weather Blog Jun 8, 2026
Significant Weather Blog: Monday, June 8, 2026 12 PM – Primer and Review on Thunderstorm Development

Primer and Review on Thunderstorm Development Since we are now entering the season when thunderstorms occur more often in southern New England,…

Significant Weather Blog Jun 8, 2026
Significant Weather Outlook: Monday, June 8, 2026 11 AM

Significant Weather Weekly Outlook After a cool start to the week, warmer and more humid weather is in store as this week…

Significant Weather Blog Jun 5, 2026
Significant Weather Blog: Friday, June 5, 2026 11 AM

A Few Severe Thunderstorms Possible Saturday Evening An approaching cold front will trigger showers and thunderstorms across New York State and northern…

Significant Weather Blog Jun 1, 2026
Significant Weather Outlook: Monday, June 1, 2026 12 PM

Significant Weather Weekly Outlook Severe weather on any broad scale appears unlikely this week for southern New England, although cannot be too…

Significant Weather Blog May 28, 2026
Significant Weather Blog: Thursday, May 28, 2026 5 PM

Rain and Chilly Late Friday and Saturday Followed by a Round of Showers Monday and Tuesday  The weather for this weekend and…