❰ Current Conditions

Excessive Heat Watch

Excessive Heat Watch issued June 16 at 2:25AM EDT until June 21 at 7:00PM EDT by NWS Boston/Norton MA

* WHAT...Dangerously hot conditions with afternoon heat index values up to 105 possible.

* WHERE...In Connecticut, Hartford CT and Tolland CT Counties. In Massachusetts, Central Middlesex MA, Southeast Middlesex MA, Western Norfolk MA, Western Essex MA, Eastern Franklin MA, Eastern Hampden MA, and Eastern Hampshire MA Counties.

* WHEN...From Tuesday afternoon through Friday evening.

* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

* ADDITIONAL DETAILS...There will not be much relief during the overnight hours...as Heat Indices will only drop into the 70s.

* PRECAUTIONARY/PREPAREDNESS ACTIONS...Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Expires: June 16 at 5:00 PM EDT
Fire Weather Discussion
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
409 AM EDT Sun Jun 16 2024


Continued dry weather today and Monday with high pressure
overhead. Winds become gusty from the south Monday.

Min RH today will be between 25 and 35 percent today. 

.OUTLOOK...Tuesday through Friday...

High pressure will remain in control for the week, with southwest
winds bringing in a much hotter and more humid airmass.

Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham, 
and Woburn
409 AM EDT Sun Jun 16 2024

                      Today        Tonight      Mon          

Cloud Cover           Mclear       Mclear       Pcldy        
Precip Type           None         None         None         
Chance Precip (%)                                            
Temp (24h trend)      73 (-4)      54 (+1)      84           
RH % (24h trend)      34 (0)       96 (-1)      44           
20ft Wnd AM(mph)      Lgt/Var                   SW  6        
20ft Wnd PM(mph)      Lgt/Var      SE  5        S 10 G17     
Precip Amount         0.00         0.00         0.00         
Precip Duration                                              
Precip Begin                                                 
Precip End                                                   
Mixing Hgt (ft-AGL)   5610         170          5450         
Transport Wnd (kts)   E  5         SW  6        SW 16        
Vent Rate (kt-ft)     28050        1020         87200        
Max ADI Early         30 Fair      24 Fair      51 Gen Good  
Max ADI Late          29 Fair      7 Poor       78 Good      
Max LVORI Early       2            6            1            
Max LVORI Late        2            6            1            
Min Vsby Early                                               
Min Vsby Late                                                
Sunshine Hours        N/A          N/A          N/A          
CWR                   0            0            0            
LAL                   No Tstms     No Tstms     No Tstms     
Haines Index          5            5            4            


.MONDAY NIGHT...Mostly clear. Lows in the upper 60s. Southwest
winds 5 to 10 mph. 
.TUESDAY THROUGH THURSDAY NIGHT...Partly cloudy. Lows 67 to 74.
Highs in the upper 90s. West winds around 5 mph. 
.FRIDAY THROUGH SATURDAY...Mostly cloudy with a chance of showers
and thunderstorms. Lows 68 to 74. Highs around 90. South winds
5 to 10 mph.