Spot Forecast
Issued by NWS Jackson, MS

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601
FNUS74 KJAN 301151
FWSJAN

Spot Forecast for Bienville Comp 266 site prep...USFS
National Weather Service Jackson MS
651 AM CDT Wed Sep 30 2026

Forecast is based on ignition time of 0700 CDT on September 30.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

There is a low chance (20%) for dense fog development Thursday
morning. Dry conditions will continue today with 20 foot winds
form the southeast around 8mph.

.REST OF TODAY...

Sky/weather.........Mostly sunny (20-30 percent).
Temperature.........64 at ignition...Max 90.
RH..................93 percent at ignition...Min 42 percent.
Wind (20 ft)........Winds southeast at 1 mph at
                    ignition...otherwise Light winds.
Mixing height (m)...91 meters AGL at ignition...otherwise 91-1981
                    meters AGL.
Transport winds.....Southeast 5 to 9 mph.
Transport winds m/s.Southeast 2 to 4 meters/second.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Sky cover.......PCldy  MClear MClear MClear MClear MClear
Weather cov.....
Weather type....None   None   None   None   None   None
Tstm cov........
Temp............64     72     83     88     90     87
RH..............93     84     61     48     42     48
20 ft wind dir..SE     SE     SE     SE     SE     SE
20 ft wind spd..1      1      3      3      3      3
20 ft wind gust.5      7      9      12     13     13
Mix hgt (m).....120    210    1070   1710   1920   1740
Transport wind..SE 6   S 6    S 9    SE 8   SE 9   SE 9
Tran wind (m/s).SE 3   S 3    S 4    SE 4   SE 4   SE 4

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
Temperature.........Min 68.
RH..................Max 100 percent.
Wind (20 ft)........Light winds becoming southeast around 5 mph
                    early in the evening, then becoming light late
                    in the evening.
Mixing height (m)...122-335 meters AGL.
Transport winds.....Southeast 7 to 10 mph.
Transport winds m/s.Southeast 3 to 4 meters/second.

TIME (CDT)      6 PM   8 PM   10 PM  Midngt 2 AM   4 AM
Sky cover.......MClear MClear MClear MClear MClear PCldy
Weather cov.....
Weather type....None   None   None   None   None   None
Tstm cov........
Temp............84     77     73     72     70     69
RH..............57     74     87     90     97     100
20 ft wind dir..SE     E      SE     SE     SE     SE
20 ft wind spd..3      5      5      3      3      3
20 ft wind gust.12     15     16     14     13     12
Mix hgt (m).....340    150    150    150    150    240
Transport wind..SE 7   SE 8   SE 10  SE 9   S 8    SE 9
Tran wind (m/s).SE 3   SE 4   SE 4   SE 4   S 4    SE 4

.THURSDAY...

Sky/weather.........Mostly sunny (40-50 percent) then becoming
                    mostly cloudy (65-75 percent) then becoming
                    mostly sunny (35-45 percent). Chance of showers
                    late in the afternoon.
Temperature.........Max 89.
RH..................Min 59 percent.
Wind (20 ft)........Light winds becoming southeast 5 to 7 mph in
                    the late morning and afternoon.
Mixing height (m)...152-1768 meters AGL.
Transport winds.....Southeast 10 to 14 mph.
Transport winds m/s.Southeast 4 to 6 meters/second.

TIME (CDT)      6 AM   8 AM   10 AM  Noon   2 PM   4 PM
Sky cover.......PCldy  MCldy  PCldy  PCldy  PCldy  MCldy
Weather cov.....                            Chance Chance
Weather type....None   None   None   None   Rnshwr Rnshwr
Tstm cov........
Temp............69     70     81     86     88     85
RH..............100    100    79     65     59     65
20 ft wind dir..SE     SE     SE     SE     SE     SE
20 ft wind spd..3      3      6      7      7      6
20 ft wind gust.12     14     17     16     16     16
Mix hgt (m).....150    370    940    1370   1770   880
Transport wind..SE 10  SE 13  S 14   S 13   SE 12  SE 12
Tran wind (m/s).SE 4   SE 6   S 6    S 6    SE 5   SE 5

$$
Forecaster...NWS JAN
Requested by...William Hudson
Type of request...PRESCRIBED
.TAG 2622821.0/JAN
.DELDT 09/30/26
.FormatterVersion 2.0.0
.EMAIL william.hudson@usda.gov