046  
FNUS71 KBTV 220121  
FWSBTV  
 
SPOT FORECAST FOR HAZMAT DETAIL...VERMONT STATE HAZMAT  
NATIONAL WEATHER SERVICE BURLINGTON VT  
921 PM EDT TUE JUL 21 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 2200 EDT ON JULY 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (802) 658-0207, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
A BROKEN LINE OF SHOWERS WITH EMBEDDED THUNDERSTORMS ARE EXPECTED TO  
IMPACT THE BURLINGTON AREA BETWEEN MIDNIGHT AND 3 AM. LOCALIZED HEAVY  
DOWNPOURS WILL BE POSSIBLE, ALONG WITH A FEW ISOLATED CLOUD TO GROUND  
LIGHTNING STRIKES. NEW RAINFALL WILL BE VARY GREATLY DEPENDING UPON  
AREAL COVERAGE OF SHOWERS, BUT GENERALLY RANGE BETWEEN 0.10 AND 0.30"  
OVERNIGHT. SOUTHEAST WINDS OF 6 TO 12 MPH WITH GUSTS 17 TO 22 MPH THIS  
EVENING WILL SHIFT TO THE SOUTHWEST BY 3 AM AT 5 TO 10 MPH WITH GUSTS  
15 TO 20 MPH POSSIBLE. ON WEDNESDAY ANY MORNING SHOWERS WITH EMBEDDED  
THUNDERSTORMS SHOULD EXIT THE BURLINGTON AREA BY 10 AM, WITH JUST A  
FEW LIGHT RAIN SHOWERS POSSIBLE ON WEDNESDAY AFTERNOON. WINDS WILL SHIFT  
TO THE WEST-NORTHWEST AT 5 TO 15 MPH DURING THE AFTERNOON HOURS.  
   
REST OF TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF  
SHOWERS LATE IN THE EVENING. SHOWERS WITH EMBEDDED  
THUNDERSTORM BETWEEN 11 PM AND 3 AM.  
CHANCE OF PCPN......90 PERCENT.  
MIN TEMPERATURE.....AROUND 70.  
MAX HUMIDITY........84 PERCENT.  
MAX APPARENT TEMP...74.  
SURFACE WINDS (MPH).SOUTH WINDS 10 TO 13 MPH.  
SNOWFALL AMOUNT.....0.0 INCHES.  
 
TIME (EDT) 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........87 80 89 57  
WEATHER COV..... DEFNTE  
WEATHER TYPE....NONE NONE RNSHWR NONE  
TSTM COV........ S CHC  
CHC OF PCPN (%).10 10 90 0  
TEMP............74 73 73 72  
RH..............76 79 76 84  
APARNT TMP (F)..74 73 73 72  
SURFACE WIND....SE 12 S 10 SW 13 SW 10  
SURFACE WND GST.20 21 20 18  
   
WEDNESDAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) THEN BECOMING  
SUNNY (20-30 PERCENT). CHANCE OF SHOWERS IN THE  
MORNING. SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....AROUND 78.  
MIN HUMIDITY........52 PERCENT.  
MAX APPARENT TEMP...78.  
SURFACE WINDS (MPH).SOUTHWEST WINDS 8 TO 9 MPH SHIFTING TO THE WEST  
10 TO 13 MPH IN THE AFTERNOON.  
SNOWFALL AMOUNT.....0.0 INCHES.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........55 51 38 69 47 24  
WEATHER COV..... S CHC S CHC S CHC  
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR NONE NONE  
TSTM COV........ S CHC S CHC  
CHC OF PCPN (%).0 20 20 20 10 0  
TEMP............71 73 76 78 76 75  
RH..............84 84 74 64 60 55  
APARNT TMP (F)..71 73 76 78 76 75  
SURFACE WIND....S 8 S 8 SW 9 W 10 W 12 W 13  
SURFACE WND GST.17 16 15 17 20 21  
 
 
FORECASTER...TABER  
REQUESTED BY...CHIEF PATRICK MCLAUGHLIN  
TYPE OF REQUEST...HAZMAT  
.TAG 2617920.0/BTV  
.DELDT 07/21/26  
.FORMATTERVERSION 2.0.0  
.EMAIL PATRICK.MCLAUGHLIN@VERMONT.GOV  
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