"Even the possibility some areas will make a run at 90° on Thursday
"All of this warm weather is due
to the jet stream. The jet, which controls our weather, has moved far north well into Canada
. This pattern allows very warm air to move north from the south has turned our weather to be more conducive to June rather than March. This pattern will continue much of the week with even warmer temperatures slated for Wednesday and Thursday. There is even the possibility some areas will make a run at 90° on Thursday
putting all-time March temperatures records in jeopardy."...
via Tom Nelson, map Boston Globe