789
FNUS74 KJAN 211203
FWSJAN

Spot Forecast for Pearl River Community...BIA
National Weather Service Jackson MS
603 AM CST Fri Nov 21 2025

Forecast is based on ignition time of 0600 CST on November 21.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Patchy fog is ongoing just east of the site this morning. This
should lift just after daybreak. Rain may move in shortly, with
increased coverage to more scattered to widespread and some storms
into the afternoon, decreasing into the evening hours.

.TODAY...

Sky/weather.........Mostly cloudy (75-85 percent). Showers likely
                    and chance of thunderstorms through the day.
                    Patchy fog early in the morning.
Temperature.........64 at ignition...Max 75.
RH..................97 percent at ignition...Min 82 percent.
Wind (20 ft)........Winds south at 5 mph at ignition...otherwise
                    Light winds becoming south 5 to 7 mph. Gusty
                    and erratic winds expected near thunderstorms
                    early in the morning. Gusty and erratic winds
                    expected near thunderstorms in the late morning
                    and afternoon.
Mixing height (m)...122 meters AGL at ignition...otherwise 122-610
                    meters AGL.
Transport winds.....South 7 to 16 mph.
Transport winds m/s.Southwest 3 to 7 meters/second.

TIME (CST)      6 AM   8 AM   10 AM  Noon   2 PM   4 PM
Sky cover.......Cloudy MCldy  Cloudy Cloudy MCldy  MCldy
Weather cov.....Chance Chance Likely Likely Likely Chance
Weather type....Rnshwr Rnshwr Rnshwr Rnshwr Rnshwr Rnshwr
Tstm cov........S Chc  S Chc  Chance Chance Chance Chance
Temp............64     66     70     72     74     73
RH..............97     97     93     90     82     84
20 ft wind dir..S      S      S      S      S      S
20 ft wind spd..3      5      6      7      7      5
20 ft wind gust.12     12     14     14     14     12
Mix hgt (m).....120    300    400    520    610    400
Transport wind..S 9    S 13   S 14   S 15   SW 12  SW 9
Tran wind (m/s).S 4    S 6    S 6    S 7    SW 5   SW 4

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    showers and thunderstorms early in the evening.
                    Slight chance of showers and thunderstorms
                    overnight, then slight chance of showers and
                    thunderstorms after 3 am.
Temperature.........Min 63.
RH..................Max 100 percent.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
                    near thunderstorms early in the evening. Gusty
                    and erratic winds expected near thunderstorms
                    overnight, then gusty and erratic winds
                    expected near thunderstorms after 3 am.
Mixing height (m)...122 meters AGL.
Transport winds.....Southwest 7 to 10 mph shifting to the west 9 to
                    10 mph after 3 am.
Transport winds m/s.South around 3 meters/second shifting to the
                    west around 4 meters/second after 3 am.

TIME (CST)      6 PM   8 PM   10 PM  Midngt 2 AM   4 AM
Sky cover.......MCldy  MCldy  MCldy  MCldy  Cloudy MCldy
Weather cov.....S Chc  S Chc                       S Chc
Weather type....Rnshwr Rnshwr None   None   None   Rnshwr
Tstm cov........S Chc  S Chc                       S Chc
Temp............69     67     66     67     66     65
RH..............97     100    100    97     100    100
20 ft wind dir..S      S      S      SW     SW     W
20 ft wind spd..3      3      3      3      3      3
20 ft wind gust.9      10     12     12     12     12
Mix hgt (m).....120    120    120    120    120    120
Transport wind..S 7    S 7    S 8    SW 9   SW 10  W 9
Tran wind (m/s).S 3    S 3    S 4    SW 4   SW 4   W 4

.SATURDAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    mostly sunny (25-35 percent).
Temperature.........Max 76.
RH..................Min 56 percent.
Wind (20 ft)........Light winds becoming northwest 5 to 6 mph in
                    the late morning and afternoon.
Mixing height (m)...122-1280 meters AGL.
Transport winds.....West 8 to 15 mph.
Transport winds m/s.Northwest 4 to 7 meters/second.

TIME (CST)      6 AM   8 AM   10 AM  Noon   2 PM   4 PM
Sky cover.......MCldy  MCldy  PCldy  MClear MClear MClear
Weather cov.....
Weather type....None   None   None   None   None   None
Tstm cov........
Temp............64     67     71     74     76     73
RH..............100    100    84     64     56     57
20 ft wind dir..W      W      W      W      NW     NW
20 ft wind spd..3      3      5      6      6      5
20 ft wind gust.12     12     12     13     13     12
Mix hgt (m).....120    340    760    1100   1280   880
Transport wind..W 9    W 9    W 13   W 15   W 14   NW 12
Tran wind (m/s).W 4    W 4    W 6    W 7    W 6    NW 5

$$
Forecaster...Cox
Requested by...Adam Rogers
Type of request...PRESCRIBED
.TAG 2526415.0/JAN
.DELDT 11/21/25
.FormatterVersion 2.0.0
.EMAIL adam.rogers@bia.gov