Spot Forecast
Issued by NWS Jacksonville, FL

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912
FNUS72 KJAX 311518
FWSJAX

Spot Forecast for Gilchrist EM Test...Gilchrist EMA
National Weather Service Jacksonville FL
1118 AM EDT Mon Aug 31 2026

Forecast is based on forecast start time of 1200 EDT on August 31.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (904) 741-4370 if you have questions
or concerns with this forecast.

.DISCUSSION...

Potential for showers and storms developing today and Tuesday
with highest likelihood for convection occurring during the
afternoon hours. Daily high temperatures will rise into the 90s
each day, with heat index values reaching to over 100 degrees with
peak daytime heating. Surface winds will build in from out of the
northeast each afternoon and then become more mild and variable
during the evening and overnight hours.

.REST OF TODAY...
TIME (EDT)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........67  65  63  65  68  71
Weather cov.....SCH CHC CHC CHC CHC CHC
Weather type....RW  RW  RW  RW  RW  RW
Tstm cov........SCH SCH SCH SCH SCH SCH
Chc of pcpn (%).20  40  50  50  50  50
Chc of thdr (%).10  10  30  30  30  40
Temp............87  89  91  91  91  91
RH..............70  66  60  60  60  60
Heat index (F)..98  100 102 102 102 102
Surface wnd dir.NE  NE  NE  NE  NE  NE
Surface wnd spd.6   6   7   7   7   6
Surface wnd gst.9   9   10  10  10  9
Transp wind dir.NE  NE  NE  NE  NE  NE
Transp wind spd.7   7   7   7   8   8

.TONIGHT...
TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........75  78  82  79  77  74  72  70  68  68  68  67
Weather cov.....CHC CHC CHC CHC CHC SCH SCH SCH
Weather type....RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........SCH SCH SCH SCH SCH SCH SCH SCH
Chc of pcpn (%).50  50  40  40  30  20  20  20  10  10  10  10
Chc of thdr (%).50  50  30  20  10  10  10  0   0   0   0   0
Temp............87  82  81  79  79  78  77  76  76  75  75  75
RH..............68  79  82  88  88  91  90  90  90  94  94  90
Heat index (F)..96  89  87  79  79  78  77  76  76  75  75  75
Surface wnd dir.NE  E   E   E   E   E   E   E   E   N   N   N
Surface wnd spd.6   5   3   3   5   5   3   2   1   0   0   0
Surface wnd gst.9   7   6   6   7   7   6   3   2
Transp wind dir.E   E   E   E   E   E   E   E   E   E   E   E
Transp wind spd.8   8   8   8   7   6   6   6   6   6   6   6

.TUESDAY...
TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........68  68  69  53  60  49  38  57  80  80  80  80
Weather cov.....                            CHC LKY LKY LKY LKY
Weather type....                            RW  RW  RW  RW  RW
Tstm cov........                            CHC LKY LKY LKY LKY
Chc of pcpn (%).10  0   0   10  10  10  0   40  70  70  70  70
Chc of thdr (%).0   0   0   10  10  10  0   30  70  70  70  70
Temp............74  74  74  78  81  86  89  91  91  91  87  85
RH..............97  97  100 94  88  77  70  66  66  68  75  80
Heat index (F)..74  74  74  78  88  98  103 106 106 108 100 97
Surface wnd dir.E   NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
Surface wnd spd.1   2   3   3   5   5   6   6   6   6   6   6
Surface wnd gst.2   3   6   9   10  12  12  12  12  12  13  13
Transp wind dir.E   E   E   E   NE  NE  NE  NE  NE  NE  NE  NE
Transp wind spd.6   6   6   6   7   7   8   8   8   9   10  10

$$
Forecaster...Corless
Requested by...Ralph Smith
Type of request...OTHER
.TAG 2620983.0/JAX
.DELDT 08/31/26
.FormatterVersion 2.0.0
.EMAIL rsmith@gcfr.org