281
FNUS72 KKEY 071643
FWSKEY

Spot Forecast for Big Pine Key...USWFS
National Weather Service Key West FL
1243 PM EDT Fri Aug 7 2026

If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (305) 295-1316 ext 3, if you have questions
or concerns with this forecast.

.DISCUSSION...
Shower and thunderstorm chances remain above normal this
afternoon. A low level trough will move across the Florida Keys
this afternoon and tonight. Rainfall distribution will depend on
boundary collisions and local mesoscale effects. Transport winds
are on track to stay east to southeasterly while increasing from
5 to 10 knots this afternoon, to near 10 knots this evening,
peaking at 10 to 15 knots overnight, and lulling during the day.
Dispersion indices are on track to remain lower this afternoon and
evening, but rise to the upper 60s tomorrow as winds increase.
Minimum relative humidity values are primed to remain in the 60s
during daytime hours with recovery to near 80 percent overnight.

.REST OF TODAY...

Sky/weather.........Mostly sunny (35-45 percent). Chance of showers
                    and thunderstorms.
Chance of pcpn......50 percent.
Chance of thunder...30 percent.
Max temperature.....Around 91.
Min humidity........64 percent.
Eye level winds.....East winds around 6 mph.
Wind (20 ft)........Southeast winds around 7 mph. Gusty and erratic
                    winds expected near thunderstorms.
Dispersion index....59 decreasing to 32 late in the afternoon.
LVORI...............3.

TIME (EDT)      4 PM
Sky cover.......PCLDY
Weather cov.....CHANCE
Weather type....RNSHWR
Tstm cov........CHANCE
Chc of pcpn (%).50
Chc of thdr (%).M
Temp............90
RH..............66
20 ft wind......SE 8
20 ft wind gust.9
Eye level wind..SE 6
Eye lvl wnd gst.

.TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......50 percent.
Chance of thunder...30 percent.
Min temperature.....Around 85.
Max humidity........80 percent.
Eye level winds.....Southeast winds 6 to 9 mph.
Wind (20 ft)........Southeast winds 7 to 10 mph. Gusty and erratic
                    winds expected near thunderstorms.
Dispersion index....18 decreasing to 5 late in the evening, then
                    increasing to 22 in the late morning.
LVORI...............4.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......PCLDY  PCLDY  PCLDY  PCLDY  PCLDY  PCLDY
Weather cov.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
Chc of pcpn (%).50     40     40     40     40     40
Chc of thdr (%).M      M      M      M      M      M
Temp............90     88     86     86     86     85
RH..............68     70     75     77     77     80
20 ft wind......E 8    E 9    E 9    E 10   SE 12  SE 12
20 ft wind gust.9      10     10     12     14     14
Eye level wind..E 6    E 6    E 6    E 7    SE 8   SE 8
Eye lvl wnd gst.       7      7      8      10     10

.SATURDAY...

Sky/weather.........Mostly sunny (35-45 percent). Chance of showers
                    and thunderstorms.
Chance of pcpn......40 percent.
Chance of thunder...20 percent.
Max temperature.....Around 91.
Min humidity........66 percent.
Eye level winds.....East winds 6 to 9 mph.
Wind (20 ft)........Southeast winds 7 to 10 mph. Gusty and erratic
                    winds expected near thunderstorms.
Dispersion index....30 increasing to 49 late in the morning, then
                    increasing to 70 late in the afternoon.
LVORI...............3.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......PCLDY  PCLDY  PCLDY  PCLDY  PCLDY  PCLDY
Weather cov.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
Chc of pcpn (%).40     30     30     30     30     30
Chc of thdr (%).M      M      M      M      M      M
Temp............85     85     89     90     91     90
RH..............77     80     70     68     66     68
20 ft wind......SE 13  SE 12  SE 12  SE 10  SE 10  SE 10
20 ft wind gust.14     13     13     12     12     12
Eye level wind..SE 9   SE 8   SE 8   SE 7   SE 7   SE 7
Eye lvl wnd gst.10     9      9      8      8      8

$$
Forecaster...AJP
Requested by...Dylan Scott
Type of request...WILDFIRE
.TAG 2619073.3/KEY
.DELDT 08/07/26
.FormatterVersion 2.0.0
.EMAIL dylan_scott@nps.gov