Spot Forecast
Issued by NWS Wilmington, NC
Issued by NWS Wilmington, NC
327
FNUS72 KILM 201801
FWSILM
Spot Forecast for Over Lyon...North Carolina
National Weather Service Wilmington NC
201 PM EDT Mon Jul 20 2026
Forecast is based on forecast start time of 1400 EDT on July 20.
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 7 PM EDT THIS EVENING...
.DISCUSSION...
Above-normal heat and humidity with scattered showers and isolated
strong to severe storms possible.
Wind profile analysis/fire control over flat terrain is Favorable.
Fog potential for tonight is None.
.REST OF TODAY...
Sky/weather.........Partly sunny (45-55 percent). Slight chance of
showers and thunderstorms early in the
afternoon, then chance of showers and
thunderstorms late in the afternoon.
Chance of thunder...30 percent.
Max temperature.....Around 96.
Min humidity........52 percent.
Wind (20 ft)........Southwest winds 5 to 6 mph. Gusty and erratic
winds expected near thunderstorms.
Max mixing hgt......6100 ft AGL.
Transport winds.....Southwest 13 to 14 mph.
Max vent rate.......Good (83976 mph-ft).
Max LVORI...........1.
Max ADI.............91.
Chance of lightning.30 percent.
TIME (EDT) 2PM 3PM 4PM 5PM
Sky (%).........48 54 53 54
Weather cov.....SCH CHC CHC CHC
Weather type....RW RW RW RW
Tstm cov........SCH CHC CHC CHC
Chc of thdr (%).20 30 30 30
Chc of ltng (%).20 30 30 30
Temp............95 95 94 92
RH..............53 53 55 58
20 FT wind dir..SW SW S S
20 FT wind spd..5 5 5 6
20 FT wind gust.9 9 9 10
Mix hgt (kft)...5.9 6.1 4.8 3.8
Transp wind dir.W SW SW SW
Transp wind spd.13 14 13 14
Stability.......A C C C
LVORI...........1 1 1 1
ADI.............91 62 51 50
Vrate mph-ft/1K.74 84 60 52
Ventrate Cat....GD GD GD FR
Sfc pres (in)...987 987 987 984
.TONIGHT...
Sky/weather.........Mostly cloudy (55-65 percent) then becoming
partly cloudy (35-45 percent) then becoming
mostly cloudy (50-60 percent). Chance of
showers and thunderstorms early in the evening,
then slight chance of showers and thunderstorms
late in the evening.
Chance of thunder...30 percent.
Min temperature.....Around 75.
Max humidity........95 percent.
Wind (20 ft)........South winds 5 to 6 mph early in the evening
becoming light. Gusty and erratic winds
expected near thunderstorms in the evening.
Min mixing hgt......400 ft AGL.
Transport winds.....South 13 to 17 mph.
Min vent rate.......Poor (5443 mph-ft).
Max LVORI...........6.
Min ADI.............6.
Chance of lightning.30 percent.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........54 51 63 65 66 68 67 64 64 45 31 54
Weather cov.....CHC CHC CHC SCH SCH
Weather type....RW RW RW RW RW
Tstm cov........CHC CHC CHC SCH SCH
Chc of thdr (%).30 30 30 20 20 10 10 0 0 0 0 0
Chc of ltng (%).30 30 30 20 20 10 10 0 0 0 0 0
Temp............90 88 84 83 81 80 79 79 78 78 77 77
RH..............63 68 77 80 83 87 87 87 88 90 91 92
20 FT wind dir..S S S S S S S SW SW SW SW SW
20 FT wind spd..6 6 5 5 3 3 2 2 2 2 2 2
20 FT wind gust.10 10 9 9 8 8 7 7 7 7 7 7
Mix hgt (kft)...3.1 2.5 1.2 0.7 0.7 0.6 0.5 0.4 0.5 0.4 0.5 0.5
Transp wind dir.S S S S S S S SW SW SW SW SW
Transp wind spd.15 16 17 14 14 15 15 15 15 13 14 13
Stability.......E E E E E F F F F F F F
LVORI...........2 3 4 4 4 5 5 5 5 6 5 6
ADI.............10 11 12 9 9 7 7 7 7 6 6 6
Vrate mph-ft/1K.47 40 21 9 9 8 7 7 7 5 6 6
Ventrate Cat....FR PR PR PR PR PR PR PR PR PR PR PR
Sfc pres (in)...984 984 985 985 985 988 988 988 986 986 986 987
.TUESDAY...
Sky/weather.........Mostly sunny (35-45 percent). Slight chance of
showers and thunderstorms early in the
afternoon. Chance of showers and thunderstorms
late in the afternoon, then slight chance of
showers and thunderstorms late in the
afternoon.
Chance of thunder...30 percent.
Max temperature.....Around 95.
Min humidity........55 percent.
Wind (20 ft)........Light winds becoming southwest 6 to 9 mph with
gusts to around 20 mph in the late morning and
afternoon. Gusty and erratic winds expected
near thunderstorms in the afternoon.
Max mixing hgt......4800 ft AGL.
Transport winds.....Southwest 13 to 22 mph.
Max vent rate.......Good (87919 mph-ft).
Max LVORI...........5.
Max ADI.............102.
Chance of lightning.30 percent.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........30 28 27 35 19 49 53 45 56 56 55 37
Weather cov..... SCH SCH CHC CHC CHC SCH
Weather type.... RW RW RW RW RW RW
Tstm cov........ SCH SCH CHC CHC CHC SCH
Chc of thdr (%).0 0 10 10 10 10 20 20 30 30 30 20
Chc of ltng (%).0 0 10 10 10 10 20 20 30 30 30 20
Temp............76 77 79 82 86 88 90 92 92 93 94 92
RH..............95 95 95 88 78 73 67 62 61 59 55 58
20 FT wind dir..SW SW SW SW SW SW SW SW SW S SW S
20 FT wind spd..2 3 3 6 6 6 7 7 7 8 9 8
20 FT wind gust.7 7 9 12 13 14 14 15 18 19 20 19
Mix hgt (kft)...0.5 0.8 1.7 2.4 3.4 4.1 4.5 4.8 4.1 4.5 2.9 3.2
Transp wind dir.SW SW SW SW SW SW SW SW SW SW SW SW
Transp wind spd.13 13 16 17 18 18 18 18 18 20 21 22
Stability.......A A A A B B C B C C C B
LVORI...........5 5 4 4 3 3 1 1 1 1 1 1
ADI.............12 13 35 54 76 90 73 102 69 77 65 86
Vrate mph-ft/1K.6 10 27 42 62 76 83 88 75 88 60 70
Ventrate Cat....PR PR PR FR GD GD GD GD GD GD GD GD
Sfc pres (in)...987 987 992 992 992 991 991 991 988 988 988 984
$$
Forecaster...Zouzias
Requested by...Safety Officer
Type of request...WILDFIRE
.TAG 2617811.0/ILM
.DELDT 07/20/26
.FormatterVersion 2.0.0
.EMAIL thomas.crate@ncparks.gov