Suppression Forecast
Issued by NWS Rapid City, SD

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407
FNUS73 KUNR 260151
FWSUNR

Spot Forecast for Two 6...BIA
National Weather Service Rapid City SD
751 PM MDT Wed Jun 25 2025

Forecast is based on forecast start time of 2000 MDT on June 25.
If conditions become unrepresentative, contact the National Weather
Service.

DISCUSSION...
Showers and storms currently west of the spot location may impact
the area between 8pm and midnight MDT. Severe storms are not
expected, however gusty erratic winds and small hail could still
be possible near storms. Dry conditions are then expected for
Thursday and Friday. Given recent moisture in the area, min RH`s
for Thursday will only dip to around 45-50 percent.


.REST OF TONIGHT...

Sky/weather.........Mostly cloudy (80-90 percent). Showers and
                    thunderstorms likely early in the evening, then
                    chance of showers and thunderstorms overnight.
Min temperature.....Around 59.
Max humidity........100 percent.
Wind (20 ft)........Northwest winds around 5 to 10 mph becoming
                    light and variable overnight. Gusty and erratic winds
                    expected near thunderstorms in the
                    evening.
CWR.................75 percent.
Mixing height.......500 to 1000 ft agl.
Transport winds.....North 15 to 20 mph shifting to the southeast
                    around 10 mph early in the morning.
Smoke dispersal.....Poor.

TIME (MDT)      8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........85  81  88  87  94  90  92  85  89  72
Weather cov.....LKY LKY CHC SCH CHC SCH SCH
Weather type....RW  RW  RW  RW  RW  RW  RW
Tstm cov........LKY LKY CHC SCH CHC SCH SCH
CWR.............80  80  80  80  80  80  80  80  80  80
Temp............59  59  59  61  65  64  63  62  62  61
RH..............100 100 100 100 90  93  93  97  97  100
20 FT wind dir..E   E   E   NE  NE  NW  N   NW  N   NW
20 FT wind spd..8   8   8   7   7   6   6   6   6   6
20 FT wind gust.13  13  12  12  12  9   10  9   10  10
Mix hgt (kft)...0.8 0.6 0.5 0.5 0.6 0.6 0.7 0.8 0.8 0.7
Transp wind dir.N   NW  N   NE  E   NE  N   N   NE  SE
Transp wind spd.16  15  14  13  12  10  10  10  10  10

.THURSDAY...

Sky/weather.........Partly sunny (50-60 percent) then becoming
                    sunny (10-20 percent).
Max temperature.....Around 82.
Min humidity........47 percent.
Wind (20 ft)........Northwest winds around 10 mph shifting to the
                    southwest in the morning, then shifting to the
                    south with gusts to around 14 mph in the
                    afternoon.
CWR.................0 percent.
Mixing height.......5300 to 5800 ft agl.
Transport winds.....South around 10 mph shifting to the southwest
                    early in the morning, then shifting to the
                    south late in the afternoon shifting to the
                    east late in the afternoon.
Smoke dispersal.....Good.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........74  57  56  57  33  22  18  13  7   5   6   7
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............60  61  63  65  68  72  74  77  79  80  82  80
RH..............100 100 93  90  81  73  66  60  54  52  47  51
20 FT wind dir..NW  SW  S   SW  SW  SW  SW  S   S   S   SE  S
20 FT wind spd..7   6   6   6   6   6   6   5   6   6   6   8
20 FT wind gust.10  10  9   9   9   8   9   10  10  12  13  14
Mix hgt (kft)...0.7 1.0 1.2 1.7 2.2 3.0 3.7 4.4 5.1 5.8 5.6 5.4
Transp wind dir.S   S   W   W   W   SW  S   SW  SW  SW  S   E
Transp wind spd.10  10  9   9   9   9   9   9   9   10  12  14

.THURSDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....Around 62.
Max humidity........97 percent.
Wind (20 ft)........Southeast winds 10 to 15 mph with gusts to
                    around 23 mph.
CWR.................0 percent.
Mixing height.......500 to 1000 ft agl.
Transport winds.....Northeast around 15 mph shifting to the south
                    15 to 25 mph early in the evening, then
                    increasing to around 25 mph early in the
                    morning.
Smoke dispersal.....Poor.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........9   9   19  17  22  19  15  13  12  10  14  17
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............80  78  74  71  68  67  67  66  65  64  63  62
RH..............49  58  64  66  76  78  78  81  84  87  91  96
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  S   S   S   S   S
20 FT wind spd..8   7   8   10  12  13  14  14  14  14  14  15
20 FT wind gust.14  12  13  15  17  18  20  20  21  21  22  23
Mix hgt (kft)...5.2 3.6 2.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.6
Transp wind dir.NE  E   SE  S   S   SE  SE  SE  S   S   S   S
Transp wind spd.15  15  15  15  16  18  20  21  21  21  23  25

.FRIDAY...

Sky/weather.........Sunny (10-20 percent). Slight chance of showers
                    and thunderstorms in the afternoon.
Max temperature.....Around 93.
Min humidity........31 percent.
Wind (20 ft)........South winds 15 to 20 mph with gusts to around
                    28 mph. Gusty and erratic winds expected near
                    thunderstorms in the afternoon.
CWR.................0 percent.
Mixing height.......8300 to 8800 ft agl increasing to 10300 to
                    10800 ft agl late in the afternoon.
Transport winds.....Southwest 25 to 30 mph.
Smoke dispersal.....Good increasing to excellent in the afternoon,
                    then decreasing to very good late in the
                    afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........21  15  10  4   4   3   3   5   7   9   17  26
Weather cov.....                        SCH SCH SCH SCH SCH SCH
Weather type....                        RW  RW  RW  RW  RW  RW
Tstm cov........                        SCH SCH SCH SCH SCH SCH
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............63  66  70  75  79  82  85  88  89  90  90  88
RH..............97  87  78  66  58  53  46  41  37  33  32  31
20 FT wind dir..S   S   S   S   S   S   S   S   SW  SW  SW  S
20 FT wind spd..16  17  17  18  20  20  20  20  20  18  17  15
20 FT wind gust.24  25  26  28  28  28  28  28  28  28  25  23
Mix hgt (kft)...0.6 1.0 1.4 1.8 2.8 3.8 4.8 6.8 8.8 11  9.0 7.2
Transp wind dir.S   S   S   S   S   S   S   SW  SW  SW  SW  SW
Transp wind spd.26  28  28  28  28  29  29  29  29  28  25  23

$$
Forecaster...AD
Requested by...IC McMillian
Type of request...WILDFIRE
.TAG 2516692.0/UNR
.DELDT 06/25/25
.FormatterVersion 2.0.0
.EMAIL justin.bauer@bia.gov