Suppression Forecast
Issued by NWS Rapid City, SD

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379
FNUS73 KUNR 291527
FWSUNR

Spot Forecast for Remington Exercises...SDSDS
National Weather Service Rapid City SD
927 AM MDT Tue Jul 29 2025

Forecast is based on ignition time of 1200 MDT on July 29.
If conditions become unrepresentative, contact the National Weather
Service.

.Discussion...
Scattered thunderstorms will develop this afternoon with the best
chance after 400 PM. Fairly widespread showers and thunderstorms
are expected tonight, especially after sunset. Gusty, erratic
winds along with the possibility of hail will occur with any
thunderstorms. Wetting rain chances are high tonight. Unsettled
weather continues Wednesday with continued chances for showers and
thunderstorms with wetting rains likely.

.TODAY...

Sky/weather.........Becoming mostly cloudy (80-90 percent). Chance of
                    showers and thunderstorms with the best
                    chance after 400 PM.
Max temperature.....Around 72.
Min humidity........73 percent.
Wind (20 ft)........East winds around 10 mph. Gusts up to 20 mph
                    late in the afternoon. Gusty and erratic winds
                    expected near thunderstorms.
CWR.................25 percent.
Mixing height.......2300 to 2800 ft agl.
Transport winds.....East 15 to 20 mph.
Smoke dispersal.....Poor.

TIME (MDT)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........81  83  84  93  87  81
Weather cov.....CHC CHC CHC CHC CHC CHC
Weather type....RW  RW  RW  RW  RW  RW
Tstm cov........CHC CHC CHC CHC CHC CHC
CWR.............30  30  30  30  30  30
Temp............67  68  70  71  69  69
RH..............77  75  73  73  78  78
20 FT wind dir..E   E   E   E   E   E
20 FT wind spd..7   7   7   7   7   6
20 FT wind gust.        20  20  20  20
Mix hgt (kft)...2.3 2.5 2.7 2.8 2.3 2.3
Transp wind dir.E   E   SE  SE  E   E
Transp wind spd.15  16  16  16  15  15

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Showers and
                    thunderstorms, especially after sunset.
Min temperature.....Around 57.
Max humidity........97 percent.
Wind (20 ft)........East winds around 10 mph becoming northeast.
                    Gusts 15-20 mph. Gusty and
                    erratic winds expected near thunderstorms.
CWR.................85 percent.
Mixing height.......500 to 1000 ft agl.
Transport winds.....Northeast around 15 mph shifting to the north
                    late in the evening.
Smoke dispersal.....Poor.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........80  79  87  83  87  92  91  94  79  77  73  62
Weather cov.....LKY LKY LKY DEF DEF DEF LKY LKY LKY LKY LKY LKY
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........LKY LKY LKY DEF DEF DEF LKY LKY LKY LKY LKY LKY
CWR.............80  80  80  80  80  80  80  80  80  80  80  80
Temp............67  64  63  62  61  60  60  60  60  59  59  59
RH..............81  93  97  97  97  96  93  93  90  93  90  90
20 FT wind dir..E   E   E   E   NE  N   NW  W   NW  N   NE  N
20 FT wind spd..6   6   6   6   6   5   6   5   5   5   5   5
20 FT wind gust.18  16  16  15  14  14  14  13  13  13  12  12
Mix hgt (kft)...1.9 1.5 0.8 0.6 0.6 0.8 0.5 0.6 0.8 1.0 0.9 0.8
Transp wind dir.E   E   NE  NE  NE  N   N   N   N   N   N   N
Transp wind spd.15  15  15  15  15  15  14  13  12  10  10  10

.WEDNESDAY...

Sky/weather.........Partly sunny (55-65 percent).
                    Scattered to numerous showers and thunderstorms.
Max temperature.....Around 68.
Min humidity........75 percent.
Wind (20 ft)........North to northeast winds 5-10 mph.
                    Gusty and erratic winds expected near
                    thunderstorms.
CWR.................60 percent.
Mixing height.......2800 to 3300 ft agl.
Transport winds.....Northeast 10 to 15 mph shifting to the east
                    late in the afternoon.
Smoke dispersal.....Fair.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........58  55  39  68  67  67  66  70  74  78  76  74
Weather cov.....LKY LKY LKY LKY LKY LKY DEF DEF DEF DEF DEF DEF
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC
CWR.............60  60  60  60  60  60  60  60  60  60  60  60
Temp............57  59  61  62  62  62  63  64  65  66  66  64
RH..............96  93  93  90  90  90  84  81  78  75  75  78
20 FT wind dir..N   NE  NE  E   E   E   E   E   E   E   E   E
20 FT wind spd..5   5   5   6   6   6   6   6   6   6   6   6
20 FT wind gust.13  13  13  14  15  16  17  18  20  20  20  20
Mix hgt (kft)...0.7 0.9 1.1 1.3 1.6 1.9 2.2 2.6 3.0 3.3 3.3 3.3
Transp wind dir.N   N   NE  NE  NE  NE  E   E   E   E   E   E
Transp wind spd.10  10  12  12  13  13  14  15  15  15  15  15

$$
Forecaster...EH
Requested by...James Bachelor
Type of request...PRESCRIBED
.TAG 2518805.0/UNR
.DELDT 07/29/25
.FormatterVersion 2.0.0
.EMAIL james.bachelor@state.sd.us