630
FNUS74 KFWD 181349
FWSFWD

Spot Forecast for Prairie...TFS
National Weather Service Fort Worth TX
849 AM CDT Tue Aug 18 2026

Forecast is based on forecast start time of 0900 CDT on August 18.
If conditions become unrepresentative...contact the National Weather
Service.

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING...

.DISCUSSION...
South to southwest winds around 5 to 7 mph will continue this
morning. Wind speeds will increase to around 8 to 10 mph after 1
pm this afternoon but will remain out of the south. High
temperatures will peak around 103 degrees, with a minimum
relative humidity around 25%. A southerly 8 to 10 mph wind will
continue tonight, with occasional gusts to 15 mph. RH will
recover to around 75% by Wednesday morning, with a low temperature
in the upper 70s. Similar weather is expected on Wednesday.


.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 103.
Min humidity........25 percent.
Wind (20 ft)........Southwest winds around 5 mph, becoming south
around 8 to 10 mph in the afternoon.
Mixing height.......8800 ft AGL.
Transport winds.....Southwest 7 to 13 mph shifting to the south 8
                    to 9 mph late in the afternoon.

TIME (CDT)      9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........7      2      2      8      8
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............83     92     98     102    103
RH..............70     49     35     28     26
20 ft wind......SW 6   SW 6   S 5    S 7    S 7
20 ft wind gust.12     10     8      10     12
Mix hgt (ft)....1300   2700   6300   8200   8700
Transport wind..SW 13  SW 8   S 7    S 8    S 9

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....Around 78.
Max humidity........74 percent.
Wind (20 ft)........South winds 6 to 10 mph.
Mixing height.......500 ft AGL.
Transport winds.....South 10 to 17 mph.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........7      8      11     11     17     29
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............102    98     91     87     84     81
RH..............25     31     40     50     59     65
20 ft wind......S 7    S 7    S 9    S 9    S 9    S 9
20 ft wind gust.12     10     14     15     15     15
Mix hgt (ft)....7600   500    500    500    500    500
Transport wind..S 10   S 12   S 15   S 17   S 17   SW 15

.WEDNESDAY...

Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 101.
Min humidity........30 percent.
Wind (20 ft)........South winds 7 to 8 mph.
Mixing height.......9100 ft AGL.
Transport winds.....Southwest 9 to 16 mph.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........41     32     27     16     7      15
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............79     80     87     93     99     101
RH..............72     69     55     43     33     30
20 ft wind......S 9    SW 9   SW 9   SW 9   S 8    S 8
20 ft wind gust.15     15     15     14     13     13
Mix hgt (ft)....500    1100   2200   5200   8100   9100
Transport wind..S 13   SW 15  SW 15  SW 12  S 10   S 9

$$
Forecaster...Barnes
Requested by...Earhart
Type of request...WILDFIRE
.TAG 2619918.0/FWD
.DELDT 08/18/26
.FormatterVersion 2.0.0
.EMAIL csdispatch@tfs.tamu.edu