135
FNUS73 KUNR 151704
FWSUNR

Spot Forecast for Thorn Divide Rx burn...Moorcroft
National Weather Service Rapid City SD
1004 AM MST Sat Nov 15 2025

Forecast is based on ignition time of 1000 MST on November 15.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...A seasonable and mainly dry weekend is in store across
the fire area with light surface winds becoming northwest at 10 to
15 mph during the afternoon today. Minimum RH values will fall to
around 45% under partly cloudy skies. The same will hold true for
Sunday as surface winds become more southeasterly with partly cloudy
skies. Minimum RH values on Sunday will fall to around 40% with
increasing cloudiness late in the afternoon. There is an increasing
risk of rainfall (probabilities greater than 40%) after midnight Sunday
night.


.REST OF TODAY...

Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 59.
Min humidity........46 percent.
Wind (20 ft)........Southwest winds 5 to 10 mph with gusts to
                    around 13 mph shifting to the west with gusts
                    to around 14 mph late in the afternoon, then
                    shifting to the northwest late in the
                    afternoon.
CWR.................0 percent.
Mixing height.......4600 to 5100 ft agl.
Transport winds.....West 10 to 20 mph decreasing to around 10 mph
                    late in the afternoon.
Smoke dispersal.....Good.

TIME (MST)      10 AM        2 PM
Sky (%).........35           15
Weather cov.....
Weather type....NONE         NONE
Tstm cov........
CWR.............0            0
Temp............49           57
RH..............68           46
20 FT wind......S 5G10       W 7G14
Mix hgt (ft)....1900         5100
Transport wind..W 9          W 17

.TONIGHT...

Sky/weather.........Partly cloudy (20-30 percent).
Min temperature.....Around 32.
Max humidity........97 percent.
Wind (20 ft)........South winds around 5 mph.
CWR.................0 percent.
Mixing height.......400 to 900 ft agl.
Transport winds.....West around 10 mph shifting to the south
                    overnight.
Smoke dispersal.....Poor.

TIME (MST)      6 PM         10 PM        2 AM
Sky (%).........17           15           30
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
CWR.............0            0            0
Temp............47           39           35
RH..............60           79           89
20 FT wind......S 2G3        S 2G3        S 2G3
Mix hgt (ft)....400          500          500
Transport wind..W 7          W 7          S 9

.SUNDAY...

Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....Around 60.
Min humidity........41 percent.
Wind (20 ft)........South winds around 5 mph shifting to the
                    southeast with gusts to around 18 mph.
CWR.................0 percent.
Mixing height.......2500 to 3000 ft agl.
Transport winds.....South 10 to 20 mph shifting to the southeast 20
                    to 25 mph late in the morning.
Smoke dispersal.....Good.

TIME (MST)      6 AM         10 AM        2 PM
Sky (%).........45           34           22
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
CWR.............0            0            0
Temp............33           50           59
RH..............97           57           42
20 FT wind......S 3G8        SE 8G14      S 10G18
Mix hgt (ft)....500          1400         3000
Transport wind..S 10         S 16         S 25

$$
Forecaster...DH
Requested by...Trace J Blakeman
Type of request...PRESCRIBED
.TAG 2525999.0/UNR
.DELDT 11/15/25
.FormatterVersion 2.0.0
.EMAIL traceblakeman32@gmail.com