Spot Forecast
Issued by NWS Rapid City, SD

440
FNUS73 KUNR 171223
FWSUNR

Spot Forecast for Newcastle Drag Races...Weston County OEM
National Weather Service Rapid City SD
623 AM MDT Fri Jul 17 2026

Forecast is based on forecast start time of 0800 MDT on July 17.
If conditions become unrepresentative, contact the National Weather
Service.

...HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT SUNDAY...

.DISCUSSION...Hot weather is expected today with high
temperatures around 94F, but a maximum heat index around 90F due
to the dry air. Isolated thunderstorms may develop after 200 PM
with gusty, erratic winds. Any thunderstorm that develops will end
by 800 PM with a warm night tonight.

.TODAY...

Sky/weather.........Sunny (20-30 percent) then becoming mostly
                    sunny (40-50 percent). Slight chance of showers
                    and thunderstorms after 200 PM.
Max temperature.....Around 94.
Chance of pcpn......20 percent.
Max apparent temp...90.
Surface winds (mph).Light winds becoming south 5 to 10 mph with
                    gusts to around 15 mph late in the morning,
                    then shifting to the east 7 to 12 mph with
                    gusts to around 20 mph in the afternoon.
                    Gusty and erratic winds near thunderstorms.
Rainfall amount.....0.00 inches.

TIME (MDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........5   3   9   9   43  57  34  39  36  58
Weather cov.....                        SCH SCH SCH SCH
Weather type....                        RW  RW  RW  RW
Tstm cov........                        SCH SCH SCH SCH
Chc of pcpn (%).0   0   0   0   10  10  20  20  20  20
Temp............85  88  90  91  90  91  91  93  93  92
Heat index (F)..82  85  87  87  87  88  88  90  90  89
Surface wnd dir.SE  S   S   S   S   E   E   E   E   E
Surface wnd spd.3   3   3   5   6   7   8   9   10  10
Surface wnd gst.6   7   9   12  14  15  17  20  21  21

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent). Slight chance of
                    showers and thunderstorms early in the evening.
Min temperature.....Around 70.
Chance of pcpn......20 percent.
Max apparent temp...88.
Surface winds (mph).East winds 8 to 12 mph with gusts to around 20
                    mph. Gusty and erratic winds near thunderstorms.
Rainfall amount.....0.00 inches.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........19  19  21  18  19  17  12  18  28  19  23  26
Weather cov.....SCH SCH SCH
Weather type....RW  RW  RW
Tstm cov........SCH SCH SCH
Chc of pcpn (%).20  20  20  0   0   0   0   0   0   0   0   0
Temp............91  89  86  82  80  79  78  76  75  74  72  71
Heat index (F)..88  86  84  81  79  79  78  76  75  74  72  71
Surface wnd dir.E   E   E   E   E   E   E   E   E   E   E   E
Surface wnd spd.12  12  10  10  10  12  12  12  10  10  9   8
Surface wnd gst.21  21  21  21  21  21  21  18  17  16  15  14

$$
Forecaster...EH
Requested by...Gilbert Nelson
Type of request...OTHER
.TAG 2605053.0/UNR
.DELDT 07/17/26
.FormatterVersion 2.0.0
.EMAIL gnelson@westongov.com