454
FNUS72 KILM 182106
FWSILM

Spot Forecast for NHC EM request...New Hanover County EM
National Weather Service Wilmington NC
506 PM EDT Fri Jul 18 2025

Forecast is based on forecast start time of 1700 EDT on July 18.
If conditions become unrepresentative...or if you have questions
or concerns about this forecast...contact the National Weather
Service in Wilmington at 910-762-1374.

...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT SATURDAY...

.DISCUSSION...
The strong thunderstorm activity in Horry County SC, well west
of the Monkey Junction area, should dissipate as it tracks
across Brunswick County thru 630 pm. This will leave only a
slight chance for a shower or thunderstorm thru sunset.

Overall Synopsis...
Bermuda high pressure will bring southwesterly winds and hot
weather across the Carolinas through the weekend. A weak front
is expected to approach from the north early next week with
increased chances for showers and thunderstorms along with
slightly cooler temps.

Fog potential for tonight is Low.

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent). Slight chance of showers
                    and thunderstorms.
Chance of pcpn......20 percent.
Chance of thunder...10 percent.
Max temperature.....Around 93.
Min humidity........56 percent.
Surface winds (mph).Southwest winds around 12 mph.

TIME (EDT)      5PM
Sky (%).........17
Weather cov.....SCH
Weather type....RW
Tstm cov........SCH
Chc of pcpn (%).20
Chc of thdr (%).10
Temp............91
RH..............63
Surface wnd dir.SW
Surface wnd spd.12
Surface wnd gst.17

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent) then becoming
                    mostly cloudy (50-60 percent) then becoming
                    partly cloudy (45-55 percent). Slight chance of
                    showers and thunderstorms early in the evening.
                    Slight chance of showers and thunderstorms
                    overnight.
Chance of pcpn......20 percent.
Chance of thunder...20 percent.
Min temperature.....Around 78.
Max humidity........94 percent.
Surface winds (mph).Southwest winds 6 to 9 mph.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........18  21  26  32  30  25  22  22  30  51  58  49
Weather cov.....SCH                             SCH SCH
Weather type....RW                              RW  RW
Tstm cov........SCH                             SCH SCH
Chc of pcpn (%).20  10  10  10  10  10  10  10  20  20  10  10
Chc of thdr (%).10  10  10  10  10  10  10  10  20  20  10  10
Temp............90  88  85  84  83  82  82  81  80  80  79  78
RH..............64  67  79  83  85  86  89  90  94  92  93  93
Surface wnd dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  W   SW
Surface wnd spd.9   8   8   7   7   6   6   6   6   6   6   6
Surface wnd gst.16  15  14  14  13  12  12  12  12  10  10  10

$$
Forecaster...Hoehler
Requested by...Jason Fuller
Type of request...HAZMAT
.TAG 2518227.0/ILM
.DELDT 07/18/25
.FormatterVersion 2.0.0
.EMAIL jfuller@nhcgov.com