132
FNUS73 KUNR 251913
FWSUNR

Spot Forecast for Campbell County Fair & Demo Derby...CC EM & HS
National Weather Service Rapid City SD
113 PM MDT Sat Jul 25 2026

Forecast is based on forecast start time of 1500 MDT on July 25.
If conditions become unrepresentative, contact the National Weather
Service.

...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...
...HEAT ADVISORY IN EFFECT UNTIL 8 PM MDT SUNDAY...

.DISCUSSION...The hot temperatures remain the main overall concern
for Campbell County through Sunday. Highs for the remainder of
today and for Sunday will top out from 100 to 105. An isolated
shower or thunderstorm is possible later this afternoon and into
the evening. The biggest threats will be dry lightning and potential
fire starts, and gusty thunderstorm winds in excess of 50 mph.

.REST OF TODAY...

Sky/weather.........Mostly sunny (45-55 percent). Isolated showers
                    and thunderstorms.
Max temperature.....Around 102.
Min humidity........16 percent.
Chance of pcpn......20 percent.
Max apparent temp...95.
Surface winds (mph).West winds 8 to 10 mph with gusts to around 21
                    mph.
Rainfall amount.....0.00 inches.

TIME (MDT)      3PM 4PM 5PM
Sky (%).........49  50  50
Weather cov.....ISO ISO ISO
Weather type....RW  RW  RW
Tstm cov........ISO ISO ISO
Chc of pcpn (%).20  20  20
Temp............99  99  98
RH..............16  16  17
Heat index (F)..95  95  94
Surface wnd dir.W   W   NW
Surface wnd spd.10  9   8
Surface wnd gst.21  21  21

.TONIGHT...

Sky/weather.........Partly cloudy (45-55 percent) then becoming
                    mostly cloudy (55-65 percent) then becoming
                    partly cloudy (35-45 percent). Isolated showers
                    and thunderstorms in the evening.
Min temperature.....Around 67.
Max humidity........59 percent.
Chance of pcpn......20 percent.
Max apparent temp...93.
Surface winds (mph).North winds 7 to 8 mph shifting to the east 5
                    to 6 mph early in the evening, then becoming
                    light in the late evening and overnight
                    becoming southwest 5 to 6 mph after 3 am. Gusts
                    up to 20 mph.
Rainfall amount.....0.00 inches.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........50  57  59  61  55  48  41  30  31  31  28  28
Weather cov.....ISO ISO ISO ISO ISO ISO
Weather type....RW  RW  RW  RW  RW  RW
Tstm cov........ISO ISO ISO ISO ISO ISO
Chc of pcpn (%).20  20  20  20  20  20  0   0   0   0   0   0
Temp............97  96  91  86  83  81  78  76  75  72  68  67
RH..............17  18  23  31  36  39  43  46  46  49  57  59
Heat index (F)..93  92  88  84  82  81  78  76  75  72  68  67
Surface wnd dir.N   N   E   E   S   S   SW  W   S   W   W   SW
Surface wnd spd.8   7   6   5   3   3   3   3   3   5   6   6
Surface wnd gst.20  20  18  17  17  15  15  15  15  15  14  14

.SUNDAY...

Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....Around 100.
Min humidity........14 percent.
Chance of pcpn......10 percent.
Max apparent temp...96.
Surface winds (mph).Southwest winds 6 to 7 mph shifting to the
                    north 8 to 9 mph late in the afternoon. Gusts
                    up to 22 mph.
Rainfall amount.....0.00 inches.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........28  21  8   8   9   9   26  26  27  27  29  45
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   10  10  10
Temp............69  74  80  86  90  92  94  96  97  99  100 99
RH..............55  48  41  34  26  23  20  18  16  14  14  14
Heat index (F)..69  74  80  84  87  89  90  92  93  95  96  94
Surface wnd dir.SW  SW  W   W   NW  NW  N   N   N   N   N   N
Surface wnd spd.6   7   7   8   10  13  13  12  12  10  9   8
Surface wnd gst.14  15  16  17  20  21  21  21  22  22  22  21

$$
Forecaster...DH
Requested by...Jim Mitchell
Type of request...OTHER
.TAG 2618135.1/UNR
.DELDT 07/25/26
.FormatterVersion 2.0.0
.EMAIL jimm@campbellcofirewy.gov