164
FNUS73 KUNR 112035
FWSUNR

Spot Forecast for Cutler Draw...WYS
National Weather Service Rapid City SD
235 PM MDT Thu Jun 11 2026

Forecast is based on forecast start time of 1500 MDT on June 11.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Breezy and dry this afternoon; relative humidity will
continue to fall through around 1900, bottoming out around 28 to 30
percent. Strongest winds this afternoon can be expected on exposed
upper slopes/ridgetops with lighter, more variable winds on lower
slopes and in sheltered locations.

Diurnally driven, lighter winds expected after 2100 hours tonight
with fair overnight RH recovery (~65%).

About 10 degrees warmer tomorrow with daytime relative humidity falling
to near 20 percent by peak heating under mostly clear skies. Winds will
begin the day Friday with considerable terrain variability through the day.

Winds will shift north-northwest Friday after 0900 hours ahead of an
approaching cold front. Cold front will push through the fire area after
1700 Friday evening with gusts on exposed ridges overnight Friday into
Saturday morning around 25 to 30 mph. Increasing chances of rain late
Friday evening through Saturday morning. Chance of a wetting rain
(>0.1") ~75% through Saturday morning with generally ~0.1-0.3" of
precipitation expected.

Cooler Saturday before trending warmer with elevated fire weather
conditions Sunday into next week.


.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 68.
Min humidity........28-32 percent.
Wind (20 ft)........Northwest winds 10 to 20 mph with gusts to
                    around 30 mph on exposed ridges. Terrain
                    variability in sheltered locations and lower
                    slopes with winds around 10 to 14 mph.
CWR.................45 percent.
Mixing height.......7500 to 8000 ft agl.
Transport winds.....Northwest 30 to 35 mph.
Smoke dispersal.....Excellent.

TIME (MDT)      3PM 4PM 5PM
Sky (%).........16  27  15
Weather cov.....
Weather type....
Tstm cov........
CWR.............50  50  50
Temp............66  66  67
RH..............40  36  32
20 FT wind dir..NW  NW  NW
20 FT wind spd..18  15  12
20 FT wind gust.30  28  25
Mix hgt (kft)...8.0 7.8 7.8
Transp wind dir.NW  NW  NW
Transp wind spd.35  32  30

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....Around 45.
Max humidity........65-70 percent.
Wind (20 ft)........Northwest winds on exposed upper ridges 8 to 15
                    mph. Winds become light and terrain driven after
                    2100, around 3 to 10 mph.
CWR.................0 percent.
Mixing height.......400 to 900 ft agl.
Transport winds.....Northwest 20 to 25 mph decreasing to 10 to 15
                    mph early in the evening, then shifting to the
                    southwest late in the evening.
Smoke dispersal.....Good decreasing to poor early in the evening.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........10  10  12  9   14  11  9   13  17  14  16  19
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............67  67  65  59  57  54  52  51  49  48  47  46
RH..............33  29  33  42  47  52  56  59  61  63  65  68
20 FT wind dir..NW  NW  NW  NW  S   S   S   S   S   S   S   S
20 FT wind spd..14  12  7   3   3   3   5   5   6   6   7   6
20 FT wind gust.25  21  14  6   7   8   9   9   10  12  12  12
Mix hgt (kft)...7.3 5.6 0.8 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.5 0.5
Transp wind dir.NW  NW  NW  N   NW  SW  S   S   S   S   SW  SW
Transp wind spd.25  20  13  8   7   8   10  10  10  10  10  10

.FRIDAY...

Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 75.
Min humidity........20-25 percent.
Wind (20 ft)........Southwest winds around 10 mph shifting to the
                    northwest with gusts to around 22 mph after 0800.
                    Strongest winds on exposed ridges with lighter,
                    more terrain driven winds on lower slopes and
                    in sheltered areas.
Mixing height.......9100 to 9600 ft agl.
Transport winds.....Southwest around 10 mph shifting to the
                    northwest 15 to 25 mph early in the morning,
                    then increasing to around 25 mph late in the
                    afternoon.
Smoke dispersal.....Good increasing to excellent in the afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........19  24  18  13  15  11  10  18  32  28  20  19
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............46  50  55  60  67  70  72  73  74  74  75  73
RH..............68  63  53  44  34  30  26  25  23  23  22  24
20 FT wind dir..SW  SW  W   NW  NW  NW  NW  NW  NW  NW  N   N
20 FT wind spd..6   6   6   6   7   9   9   10  12  13  13  14
20 FT wind gust.12  12  10  12  13  15  17  20  21  22  22  23
Mix hgt (kft)...0.4 0.4 1.0 2.4 4.8 6.3 7.3 8.1 8.8 9.6 8.7 7.7
Transp wind dir.SW  SW  W   NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.10  10  12  13  15  17  18  20  21  21  22  22

$$
Forecaster...SE
Requested by...Dowlins
Type of request...WILDFIRE
.TAG 2615372.0/UNR
.DELDT 06/11/26
.FormatterVersion 2.0.0
.EMAIL wycpc@firenet.gov,jeremy.deplitch@wyo.gov