Significant Weather Blog: Tuesday, December 30, 2025 6 PM

Some Snow Likely Late New Years Eve into New Years Morning Some Snow Likely Late Wednesday Night into Thursday Morning Snow will spread west to east across southern New England New Years Eve between midnight and 2 or 3 AM and last to late morning New Years Day except possibly into the early afternoon over… Read More »

Significant Weather Outlook: Monday, December 29, 2025 11 AM

Weekly Significant Weather Outlook Strong Gusty Winds Late Tonight Through Tuesday Evening Strong Wind Gusts Late Tonight Through Tuesday Evening Very strong surface and upper low pressure over Ontario will drive a strong low-level jet across southern New England late tonight through Tuesday evening as colder air rushes in.  Effective vertical mixing up to around… Read More »

Launch Your Meteorology Career Program Applications are Open

Join us at the Blue Hill Observatory July 13 to July 18, 2026 for another year of our week-long, intensive meteorology program for high school students. Explore 21st century career opportunities with Tim Kelley, a veteran meteorologist and weather historian, while learning about the Observatory’s weather data record and meticulous collection since 1885. The “Launch Your… Read More »

Significant Weather Blog: Friday, December 26, 2025 1 PM

Snow Tonight into Early Saturday Morning Risk of Freezing Rain Sunday Night Western and North Central MA Tonight into Early Saturday Morning A clipper system will move southeast from the Great Lakes to south of New England tonight into early Saturday.  This storm will bring at least a moderate amount of moisture and rather robust… Read More »

Significant Weather Blog: Tuesday, December 23, 2025 8 AM

Significant Weather Outlook for the Coming Week – Updated Less Snow Now Expected for Today/Tonight Winter Weather Possible Late Friday/Saturday but High Uncertainty Today/Tonight  Although only light snow was expected anyway today/tonight, it looks like the precipitation will be lighter still with likely more rain mixed in.  Although there is a possibility that light rain… Read More »

Significant Weather Outlook: Monday, December 22, 2025 11 AM

Significant Weather Outlook for the Coming Week  Will There Be a White Christmas?  Winter Weather Possible Late Friday/Saturday but High Uncertainty    Tuesday/Tuesday Night Although it’s not a guarantee, it looks like a fairly high probability for just enough snow to qualify for a white Christmas across at least most of interior southern New England. … Read More »

Significant Weather Blog: Thursday, December 18, 2025 11 AM

Strong, Possibly Damaging, Southerly Winds on Friday A fast moving but vigorous weather system moving across our country’s northern tier will bring a period of heavy rain late Thursday into Friday and several hours of strong, possibly damaging winds during the day on Friday.  Localized rainfall of 1 to 2 inches is possible with some… Read More »

Significant Weather Blog: Wednesday, December 17, 2025 10 AM

Strong Southerly Winds on Friday A fast moving but vigorous weather system moving across our country’s northern tier will bring a period of heavy rain late Thursday into Friday and several hours of strong, possibly damaging winds during the day on Friday.  Localized rainfall of 1 to 2 inches is possible with some impacts to… Read More »

Significant Weather Outlook: Monday, December 15, 2025 10 AM

Significant Weather Outlook for the Coming Week Will do a quick recap of Sunday’s snowfall and then proceed to this week’s significant weather outlook.   December 14 Snowfall Recap Yesterday’s snowfall was light for most of southern New England but heavier on the Cape where snowfall was enhanced by ocean effect (moist cold air flowing… Read More »

Significant Weather Blog: Saturday, December 13, 2025 6 PM

Snow for Southern New England Late Tonight and Sunday A rather fast-moving storm will pass south of New England Sunday and bring at least some snow to southern New England late tonight and Sunday.  Light to moderate amounts are expected over the Cape, rest of southeast MA, and along the RI and CT south coast. … Read More »