Spot Forecast
Issued by NWS Rapid City, SD

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
420
FNUS73 KUNR 301017
FWSUNR

Spot Forecast for Kohns Fire...CC EM & HS
National Weather Service Rapid City SD
417 AM MDT Thu Jul 30 2026

Forecast is based on forecast start time of 0600 MDT on July 30.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Showers and thunderstorms will be possible this
morning and early afternoon, especially as a cool front crosses
the area. Gusty and erratic winds will be possible near any
thunderstorms. Temperatures will be relatively cooler today, with
highs in the lower 90s. Breezy northwest winds in the afternoon
will weaken this evening, becoming light and variable overnight.
Warmer temperatures will return Friday and will be even hotter
through the weekend. Isolated thunderstorms will also be possible
Friday. RH below 20% and southerly winds gusting to 15 mph will
result in elevated fire weather conditions.


.TODAY...

Sky/weather.........Mostly sunny (30-40 percent). Chance of showers
                    and thunderstorms in the afternoon.
Max temperature.....Around 92.
Min humidity........31 percent.
Wind (20 ft)........Light and variable winds becoming north 5
                    to 15 mph with gusts to around 22 mph
                    in the late morning and afternoon. Gusty and
                    erratic winds expected near thunderstorms in
                    the afternoon.
CWR.................30 percent.
Mixing height.......9000 to 9500 ft agl.
Transport winds.....Southwest around 10 mph shifting to the
                    northwest early in the morning, then shifting
                    to the north 20 to 25 mph in the afternoon.
Smoke dispersal.....Good increasing to excellent late in the
                    afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........59  54  39  38  21  14  22  21  29  47  44  19
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  30  30  30  30  30  30
Temp............64  66  70  76  82  84  87  87  88  90  88  88
RH..............87  86  76  61  47  43  38  36  34  31  33  31
20 FT wind dir..S   W   W   N   N   N   N   N   N   N   N   N
20 FT wind spd..2   2   3   5   6   8   10  10  12  13  13  12
20 FT wind gust.8   8   8   8   12  15  17  20  21  22  22  21
Mix hgt (kft)...0.5 0.5 0.9 1.5 2.3 3.7 5.0 5.7 6.5 9.5 6.2 6.2
Transp wind dir.SW  SW  W   NW  NW  NW  N   N   N   N   N   NE
Transp wind spd.10  8   8   9   12  14  16  18  20  21  21  21

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....Around 57.
Max humidity........93 percent.
Wind (20 ft)........Northeast winds 10 to 15 mph with gusts to
                    around 20 mph becoming light and variable
                    in the late evening.
CWR.................0 percent.
Mixing height.......400 to 900 ft agl.
Transport winds.....Northeast 15 to 20 mph shifting to the east
                    around 10 mph in the late evening and
                    overnight, then shifting to the southeast
                    overnight.
Smoke dispersal.....Poor.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........28  26  23  27  18  16  21  19  13  11  14  26
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............87  84  80  75  72  70  68  66  65  63  62  60
RH..............34  36  42  52  57  63  68  75  78  81  84  90
20 FT wind dir..N   N   NE  E   E   E   SE  SE  SE  S   S   SE
20 FT wind spd..12  9   7   5   3   3   2   2   3   3   3   5
20 FT wind gust.20  17  14  12  9   7   7   7   7   8   8   9
Mix hgt (kft)...4.9 3.5 0.9 0.6 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4
Transp wind dir.NE  NE  NE  E   E   E   E   E   SE  S   S   SE
Transp wind spd.20  16  13  10  9   8   8   8   7   7   8   8

.FRIDAY...

Sky/weather.........Mostly sunny (40-50 percent). Slight chance of
                    rain showers in the afternoon. Slight chance of
                    thunderstorms late in the afternoon.
Max temperature.....Around 97.
Min humidity........19 percent.
Wind (20 ft)........South winds 5 to 10 mph with gusts to around 16
                    mph. Gusty and erratic winds expected near
                    thunderstorms late in the afternoon.
CWR.................0 percent.
Mixing height.......8900 to 9400 ft agl increasing to 12600 to
                    13100 ft agl late in the afternoon.
Transport winds.....South 10 to 15 mph shifting to the northwest
                    late in the afternoon.
Smoke dispersal.....Good increasing to very good in the afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........34  32  26  28  27  37  33  31  36  59  37  36
Weather cov.....                        SCH SCH SCH SCH SCH SCH
Weather type....                        RW  RW  RW  RW  RW  RW
Tstm cov........                                    SCH SCH SCH
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............58  63  68  73  82  86  89  92  94  94  95  92
RH..............93  84  73  62  43  34  28  24  21  19  19  21
20 FT wind dir..SE  S   S   S   S   S   S   S   SE  SE  S   S
20 FT wind spd..5   6   6   7   8   8   8   8   7   7   7   7
20 FT wind gust.10  12  12  14  14  14  14  15  15  15  16  16
Mix hgt (kft)...0.4 0.9 1.4 1.8 3.7 5.7 7.6 9.4 11  13  11  8.0
Transp wind dir.SE  SE  S   S   S   SE  SE  S   S   S   SW  NW
Transp wind spd.9   10  12  13  13  13  13  13  13  13  14  15

$$
Forecaster...13
Requested by...J Mitchell
Type of request...WILDFIRE
.TAG 2618366.3/UNR
.DELDT 07/30/26
.FormatterVersion 2.0.0
.EMAIL jimm@campbellcofirewy.gov