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.

Current Significant Weather Blog

Significant Weather Blog: Friday, April 17, 2026 10 AM

Updated Significant Weather Weekly Outlook Hazardous weather is not expected this weekend, but a significant change in temperatures lies ahead.  Saturday looks to be dry, albeit cooler than most of this past week for most interior areas.  Widespread showers are expected Sunday in association with a high amplitude upper trough and strong surface cold front. … Read More »

Significant Weather Outlook: Tuesday, April 14, 2026 9 AM

Significant Weather Weekly Outlook A broad, large subtropical upper-level ridge is bringing warm temperatures to southern New England this week.  As one might surmise, temperatures this far above normal cannot be expected to be sustained for a long time in April.  A series of troughs will erode the ridge late this week into early next… Read More »

Past Significant Weather Blog

4/6/26 Significant Weather Outlook: Monday, April 6, 2026, 10 AM
3/30/26 Significant Weather Outlook: Monday, March 30, 2026 9 AM
3/22/26 Significant Weather Outlook: Sunday, March 22, 2026 3 PM
3/16/26 Significant Weather Outlook: Monday, March 16, 2026 10 AM
3/13/26 Significant Weather Blog: Friday, March 13, 2026 10 AM
3/9/26 Significant Weather Outlook: Monday, March 9, 2026
3/5/26 Significant Weather Blog: Thursday, March 5, 2026 10 AM
3/4/26 Significant Weather Blog: Wednesday, March 4, 2026 7 PM
3/2/26 Significant Weather Outlook: Monday, March 2, 2026 9 AM
2/28/26 Significant Weather Blog: Saturday, February 28, 2026 10 AM
2/23/26 Significant Weather Outlook: Monday, February 23, 2026 3 PM
2/22/26 Significant Weather Blog: Sunday, February 22, 2026 10 AM
2/21/26 Significant Weather Blog: Saturday, February 21, 2026 10 AM
2/20/26 Significant Weather Blog: Friday, February 20, 2026 3 PM
2/19/26 Significant Weather Blog: Thursday, February 19, 2026 11 AM
2/18/26 Significant Weather Blog: Wednesday, February 18, 2026 9 AM
2/17/26 Significant Weather Blog: Tuesday, February 17, 2026 5 PM
2/16/26 Significant Weather Outlook: Monday, February 16, 2026 3 PM
2/9/26 Significant Weather Outlook: Monday, February 9, 2026 10 AM
2/7/26 Significant Weather Blog: Saturday, February 7, 2026 10 AM