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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 May 14, 2026
Significant Weather Blog: Thursday, May 14, 2026 12 PM

Significant Weather Weekly Outlook (Updated) Hazardous weather is unlikely through early next week in southern New England.  The purpose of this message…

Significant Weather Blog May 11, 2026
Significant Weather Outlook: Monday, May 11, 2026 9 AM

Significant Weather Weekly Outlook Once again hazardous weather does not appear likely this week in southern New England. The most notable weather…

Significant Weather Blog May 4, 2026
Significant Weather Outlook: Monday, May 4, 2026 9 AM

Significant Weather Weekly Outlook Hazardous weather does not appear likely this week.  This message provides a broadbrush look of what weather to…

Significant Weather Blog May 2, 2026
Significant Weather Blog: Saturday, May 2, 2026 9 AM

Significant Weather Weekly Outlook Hazardous weather is not expected this weekend into early next week.  This update just clarifies what to expect…

Significant Weather Blog Apr 27, 2026
Significant Weather Outlook: Monday, April 27, 2026 9 AM

Significant Weather Weekly Outlook Hazardous weather does not appear likely this week across southern New England. A ridge of high pressure both…

Significant Weather Blog Mar 22, 2026
Significant Weather Outlook: Sunday, March 22, 2026 3 PM

Significant Weather Weekly Outlook Since the author will likely be away this Monday (March 23), this weekly significant weather outlook is being…

Significant Weather Blog Mar 16, 2026
Significant Weather Outlook: Monday, March 16, 2026 10 AM

Significant Weather Weekly Outlook Main Focus: Risk of Strong Winds and Heavy Rain/Flooding Today and Tonight A strong surface low pressure center…

Significant Weather Blog Mar 13, 2026
Significant Weather Blog: Friday, March 13, 2026 10 AM

Risk of Strong Winds and Heavy Rain/Flooding Monday into Monday Night  A high amplitude sharp upper trough will spawn an associated strong…

Significant Weather Blog Mar 9, 2026
Significant Weather Outlook: Monday, March 9, 2026

Weekly Significant Weather Outlook The big meltdown continues at least for the first half of this week.  From a significant weather perspective,…

Significant Weather Blog Mar 5, 2026
Significant Weather Blog: Thursday, March 5, 2026 10 AM

Wintry Mix Thursday Evening/Night into Friday Morning This looks to be an especially interesting and challenging forecast with a variety of precipitation…