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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 Feb 21, 2026
Significant Weather Blog: Saturday, February 21, 2026 10 AM

Major Nor’easter Will Impact Southern New England Late Sunday Night and Monday with Heavy Snow, High Winds, and Coastal Erosion/Flooding  Confidence is…

Significant Weather Blog Feb 20, 2026
Significant Weather Blog: Friday, February 20, 2026 3 PM

Light to Moderate Winter Weather Impacts Anticipated Tonight Major Winter Storm Potential for Late Sunday Night/Monday – Especially for the Southeast Half…

Significant Weather Blog Feb 19, 2026
Significant Weather Blog: Thursday, February 19, 2026 11 AM

A Tale of Two Storms Whether the weather actually turns out interesting or not, forecasting the next two events looks to be…

Significant Weather Blog Feb 18, 2026
Significant Weather Blog: Wednesday, February 18, 2026 9 AM

Updated Significant Weather Outlook Forecasting continues to be challenging this week into early next week.  The rationale for this morning’s update is…

Significant Weather Blog Feb 17, 2026
Significant Weather Blog: Tuesday, February 17, 2026 5 PM

Updated Significant Weather Outlook Will probably provide daily updated weather message blogs for at least a time this week due to a…

Significant Weather Blog Feb 16, 2026
Significant Weather Outlook: Monday, February 16, 2026 3 PM

Significant Weather Weekly Outlook  This looks to be an interesting and challenging week from a forecast perspective and may or may not…

Significant Weather Blog Feb 9, 2026
Significant Weather Outlook: Monday, February 9, 2026 10 AM

Significant Weather Weekly Outlook Weather highlights this week are anticipated to include snow Tuesday evening, moderating temperatures, and possibly a significant rain…

Significant Weather Blog Feb 7, 2026
Significant Weather Blog: Saturday, February 7, 2026 10 AM

Significant Snow and Cold this Weekend  Update The factors noted below on yesterday’s message appear to be in play and have increased…

Significant Weather Blog Feb 6, 2026
Significant Weather Blog: Friday, February 6, 2026, 10 AM

Significant Snow and Cold this Weekend The extreme cold remains on track for late Saturday through Sunday as long advertised.  An Extreme…

Significant Weather Blog Feb 5, 2026
Significant Weather Blog: Thursday, February 5, 2026 6 PM

Dangerous Cold Saturday Night and Sunday Preceded by Some Snow on Saturday An Extreme Cold Watch has been issued by the National…