415  
FNUS71 KGYX 292031  
FWSGYX  
 
SPOT FORECAST FOR WINCHESTER NH FIRE...DCR FIRE CONTROL  
NATIONAL WEATHER SERVICE GRAY ME  
431 PM EDT TUE APR 29 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 EDT ON APRIL 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (207) 688-3224, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION.
 
THE LATE AFTERNOON AND EARLY EVENING HOURS WILL  
FEATURE SCATTERED CLOUDS, WARM TEMPERATURES, SOUTHERLY WINDS, AND  
DRY WEATHER. CHANCES FOR SHOWERS AND PERHAPS ISOLATED THUNDERSTORM  
INCREASE AFTER 10 PM OR SO.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS IN THE LATE EVENING AND OVERNIGHT.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...8 PERCENT.  
MIN TEMPERATURE.....AROUND 51.  
MAX HUMIDITY........81 PERCENT.  
DEWPOINT............49 INCREASING TO 52 IN THE LATE EVENING AND  
OVERNIGHT, THEN DECREASING TO 48 EARLY IN THE  
MORNING.  
MAX APPARENT TEMP...75.  
WIND (20 FT)........SOUTHWEST WINDS 8 TO 12 MPH SHIFTING TO THE  
WEST AROUND 9 MPH AFTER 3 AM. GUSTS UP TO 28  
MPH.  
MIXING HEIGHT.......700 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 14 TO 22 MPH SHIFTING TO THE WEST  
AROUND 18 MPH EARLY IN THE MORNING.  
SMOKE DISPERSAL.....GOOD (32800 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (7800 KNOT-FT) LATE IN THE  
NIGHT.  
CEILING (KFT).......24 DECREASING TO 20 EARLY IN THE EVENING, THEN  
DECREASING TO 10 EARLY IN THE EVENING  
DECREASING TO 6.8 LATE IN THE EVENING  
DECREASING TO 4.6 INCREASING TO 6.9 AFTER 3 AM  
INCREASING TO 20 INCREASING TO 25 EARLY IN THE  
MORNING.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........59 59 59 59 59 59 71 71 71 71 71 71  
WEATHER COV..... SCH SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW RW  
TSTM COV........NO NO NO NO NO NO NO NO NO NO NO NO  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 10 10 10 10 10 0 0 0 0  
TEMP............75 71 69 67 66 65 64 62 61 60 58 56  
DEWPOINT........47 48 49 51 52 53 53 54 54 54 51 48  
RH..............37 44 49 56 61 65 67 75 78 81 77 74  
APARNT TMP (F)..75 71 69 67 66 65 64 62 61 60 58 56  
20 FT WIND DIR..S S S SW SW SW SW SW SW SW W W  
20 FT WIND SPD..15 15 15 14 13 10 10 10 10 10 12 12  
20 FT WIND GUST.28 28 28 25 23 20 20 20 20 20 21 21  
MIX HGT (KFT)...1.7 0.7 0.7 0.7 0.7 0.7 0.8 0.7 0.7 0.9 1.2 0.8  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW W W W  
TRANSP WIND SPD.22 18 18 17 16 17 16 15 14 16 18 18  
VRATE KT-FT/1K..33 11 12 10 10 10 11 9 8 13 19 13  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
CEILING (KFT)...24 20 11 11 10 6.9 6.8 7.1 4.6 6.9 20 25  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...1 PERCENT.  
MAX TEMPERATURE.....AROUND 64.  
MIN HUMIDITY........30 PERCENT.  
DEWPOINT............44 DECREASING TO 30.  
MAX APPARENT TEMP...63.  
WIND (20 FT)........NORTHWEST WINDS 7 TO 9 MPH.  
MIXING HEIGHT.......4700 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 17 TO 25 MPH.  
SMOKE DISPERSAL.....POOR (11600 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (81700 KNOT-FT) IN THE  
AFTERNOON.  
CEILING (KFT).......19 DECREASING TO 14 EARLY IN THE MORNING, THEN  
DECREASING TO 8.3 EARLY IN THE MORNING  
INCREASING TO 14 LATE IN THE MORNING INCREASING  
TO 19 INCREASING TO 25 LATE IN THE MORNING.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........38 38 38 38 38 38 3 3 3 3 3 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........NO NO NO NO NO NO NO NO NO NO NO NO  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............54 52 53 54 55 57 59 61 62 63 62 62  
DEWPOINT........46 44 42 40 38 36 35 34 32 32 31 30  
RH..............74 74 66 59 53 45 40 36 32 31 31 30  
APARNT TMP (F)..54 52 53 54 55 57 59 61 62 63 62 62  
20 FT WIND DIR..W NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..10 9 8 9 10 12 12 10 10 10 9 8  
20 FT WIND GUST.20 17 15 17 20 21 21 21 20 18 17 16  
MIX HGT (KFT)...0.7 1.4 2.9 3.0 3.1 3.5 3.8 4.1 4.5 4.7 4.7 4.7  
TRANSP WIND DIR.W NW NW NW NW NW NW NW NW NW NW N  
TRANSP WIND SPD.18 20 25 25 24 23 23 21 21 20 20 17  
VRATE KT-FT/1K..12 25 64 65 66 69 77 73 82 79 81 71  
VENTRATE CAT....PR PR GD GD GD GD GD GD GD GD GD GD  
CEILING (KFT)...19 14 8.3 14 19 25 25 25 25 25 25 25  
 

 
FORECASTER...EKSTER  
REQUESTED BY...STATE FF2 ZACHARY FAVREAU  
TYPE OF REQUEST...WILDFIRE  
.TAG 2512243.0/GYX  
.DELDT 04/29/25  
.FORMATTERVERSION 2.0.0  
.EMAIL FAVREAUZJ10@GMAIL.COM  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab ME Page
The Nexlab NH Page Main Text Page