971  
FNUS71 KPHI 081120  
FWSPHI  
 
SPOT FORECAST FOR CEDAR SWAMP RX...DE FISH & WILDLIFE  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
620 AM EST THU JAN 8 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EST ON JANUARY 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
HIGH PRESSURE BUILDS INTO THE REGION THROUGH TONIGHT  
LEADING TO FAIR WEATHER CONDITIONS. A MORE UNSETTLED  
PATTERN ARRIVES FOR TOMORROW AS SHOWERS START TO ARRIVE  
DURING THE AFTERNOON AND EVENING.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 49.  
MIN HUMIDITY........58 PERCENT.  
WIND SHIFT..........A NORTH-NORTHWEST WIND DURING THE DAY SHIFTS TO  
THE SOUTHEAST THIS EVENING. WINDS OVERALL ARE LIGHT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......1400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 2 TO 7 MPH SHIFTING TO THE SOUTH LATE  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (800 KNOT-FT).  
ADI.................2 TO 10.  
 
TIME (EST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........18 13 7 25 30 49 46 34 34 28 35  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0  
TEMP............37 35 39 42 45 46 47 48 49 47 46  
RH..............85 92 82 76 70 68 65 63 58 63 65  
20 FT WIND DIR..W W W NW NW NW N N N NE SE  
20 FT WIND SPD..2 2 2 2 3 3 3 2 2 1 1  
20 FT WIND GUST.5 5 5 5 6 6 6 6 5 2  
MIX HGT (KFT)...0.3 0.3 0.4 0.6 1.0 1.3 1.4 1.1 0.9 0.6 0.4  
TRANSP WIND DIR.NW NW NW N NW NW N NW NW W S  
TRANSP WIND SPD.7 6 6 6 6 6 5 3 2 2 2  
ADI.............7 6 6 6 8 10 8 5 3 2 2  
VRATE KT-FT/1K..2 2 2 3 5 6 6 3 2 1 1  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (65-75 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 34.  
MAX HUMIDITY........96 PERCENT.  
WIND SHIFT..........LIGHT WINDS EARLY OVERNIGHT BECOME MORE OUT OF  
THE SOUTHEAST TOWARDS DAYBREAK.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH EARLY  
IN THE MORNING.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....SOUTH 3 TO 12 MPH.  
SMOKE DISPERSAL.....POOR (1200 KNOT-FT).  
ADI.................2 TO 8.  
 
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........23 27 22 23 46 50 41 52 43 63 79 58  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............43 40 38 37 37 36 35 36 35 36 36 36  
RH..............70 79 85 89 85 89 92 85 92 89 92 92  
20 FT WIND DIR..SE S S S S S S SE SE SE S S  
20 FT WIND SPD..1 1 1 2 2 2 2 3 3 3 3 5  
20 FT WIND GUST. 2 2 3 5 6 6 6 7 7 7  
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.S S S S S SE S S SE S S S  
TRANSP WIND SPD.3 3 3 5 7 6 7 7 8 9 12 12  
ADI.............2 2 2 2 3 3 3 3 4 4 5 8  
VRATE KT-FT/1K..1 1 1 2 2 2 2 2 3 3 4 4  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF  
RAIN IN THE AFTERNOON.  
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE  
AFTERNOON.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 56.  
MIN HUMIDITY........71 PERCENT.  
WIND SHIFT..........A SOUTHEAST WIND IN THE MORNING BECOMES MORE  
SOUTHERLY FOR THE AFTERNOON AND EVENING.  
WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH.  
MIXING HEIGHT.......1400 FT AGL.  
TRANSPORT WINDS.....SOUTH 12 TO 16 MPH.  
SMOKE DISPERSAL.....POOR (4200 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (16800 KNOT-FT) IN THE  
AFTERNOON.  
ADI.................9 TO 23.  
 
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........46 28 29 35 40 53 65 78 82 86 90 91  
WEATHER COV..... SCH SCH SCH SCH SCH  
WEATHER TYPE.... RN RN RN RN RN  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 20 20 20 20 20  
CHC OF PCPN (%).0 0 0 0 0 0 0 20 20 20 20 20  
TEMP............36 37 38 41 45 48 50 51 52 53 54 54  
RH..............92 92 96 92 82 77 74 74 74 71 71 74  
20 FT WIND DIR..S SE SE SE S S S S S S S S  
20 FT WIND SPD..5 6 6 6 7 8 8 9 9 8 8 8  
20 FT WIND GUST.8 9 10 12 13 14 15 15 15 14 14 14  
MIX HGT (KFT)...0.4 0.4 0.5 0.7 0.9 1.1 1.2 1.3 1.4 1.3 1.2 1.0  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.13 12 12 13 14 14 13 13 14 15 16 16  
ADI.............10 9 9 10 13 18 18 19 21 22 23 20  
VRATE KT-FT/1K..4 4 5 8 10 13 14 15 16 17 16 13  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
 

 
FORECASTER...GUZZO  
REQUESTED BY...BRANDON NELSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2528574.0/PHI  
.DELDT 01/08/26  
.FORMATTERVERSION 2.0.0  
.EMAIL BRANDON.NELSON@DELAWARE.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab PA Page
The Nexlab NJ Page
The Nexlab DE Page
The Nexlab MD Page Main Text Page