455
FNUS73 KUNR 131535
FWSUNR
SPOT FORECAST FOR POTATO CREEK...USWFS - SD-PRA
NATIONAL WEATHER SERVICE RAPID CITY SD
935 AM MDT THU AUG 13 2026
FORECAST IS BASED ON FORECAST START TIME OF 1124 MDT ON AUGUST 13.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A DISTURBANCE CROSSING THE REGION WILL BRING
CHANCES FOR SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND TONIGHT.
SEVERE WEATHER IS NOT EXPECTED. CLOUDY SKIES AND PATCHY FOG ARE
EXPECTED TODAY AND POSSIBLY TONIGHT. NORTHEASTERLY WINDS TODAY
WILL GRADUALLY SHIFT TO THE EAST TONIGHT, THEN SOUTHEAST ON
FRIDAY. SOME CLOUDS WILL PERSIST INTO FRIDAY, BUT, AS OF NOW,
PRECIPITATION IS NOT EXPECTED.
REST OF TODAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). PATCHY FOG. SCATTERED
SHOWERS.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........77 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 25 MPH.
CWR.................30 PERCENT.
MIXING HEIGHT.......3000 TO 3500 FT AGL.
TRANSPORT WINDS.....EAST AROUND 25 MPH.
SMOKE DISPERSAL.....GOOD.
TIME (MDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........98 97 97 96 95 94 95
WEATHER COV.....SCT SCT SCT SCT SCT SCT SCT
WEATHER TYPE....RW RW RW RW RW RW RW
TSTM COV........
CWR.............30 30 30 30 30 30 30
TEMP............65 67 69 69 69 69 69
RH..............93 89 84 82 79 80 77
20 FT WIND DIR..NE NE E E E E E
20 FT WIND SPD..14 14 14 14 14 14 15
20 FT WIND GUST.24 25 24 24 24 24 25
MIX HGT (KFT)...2.2 2.5 2.6 2.7 3.5 2.9 2.9
TRANSP WIND DIR.NE E E E E E E
TRANSP WIND SPD.22 22 23 23 23 23 24
TONIGHT
SKY/WEATHER.........CLOUDY (90-100 PERCENT). PATCHY FOG. CHANCE OF
SHOWERS.
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........EAST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH
DECREASING TO 15 MPH EARLY IN THE MORNING.
CWR.................35 PERCENT.
MIXING HEIGHT.......700 TO 1200 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 15 TO 25 MPH DECREASING TO AROUND 15
MPH AFTER 3 AM.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........94 93 93 95 95 95 96 96 95 95 96 94
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
CWR.............30 30 30 30 30 30 30 30 30 30 30 30
TEMP............69 68 66 64 64 63 63 62 62 62 61 61
RH..............79 85 91 98 98 99 100 100 100 99 98 100
20 FT WIND DIR..E E E E E E E E E SE SE E
20 FT WIND SPD..15 13 13 12 12 10 10 10 9 9 9 9
20 FT WIND GUST.25 23 22 21 20 18 18 17 16 16 16 15
MIX HGT (KFT)...2.8 2.3 1.0 1.0 1.1 1.0 0.8 0.9 1.0 1.1 1.0 0.8
TRANSP WIND DIR.E E E SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.24 23 21 20 18 17 16 16 16 15 14 14
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........52 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 23 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......5000 TO 5500 FT AGL.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH SHIFTING TO THE NORTHWEST
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........85 85 80 82 63 59 53 47 37 30 31 30
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............62 63 65 68 70 73 75 79 81 81 82 83
RH..............97 98 97 91 86 80 73 63 59 56 55 52
20 FT WIND DIR..SE E SE SE SE SE SE SE SE SE SE E
20 FT WIND SPD..9 9 9 9 9 9 9 9 8 8 8 9
20 FT WIND GUST.15 15 16 17 17 18 20 20 20 20 21 23
MIX HGT (KFT)...0.7 1.1 1.5 1.9 2.6 3.2 3.9 4.4 5.0 5.5 5.1 4.7
TRANSP WIND DIR.SE SE S S S S S SW SW SW W NW
TRANSP WIND SPD.14 14 15 16 16 17 17 17 16 16 17 18
FORECASTER...13
REQUESTED BY...DUWAYNE TRAVERSIE
TYPE OF REQUEST...WILDFIRE
.TAG 2619089.5/UNR
.DELDT 08/13/26
.FORMATTERVERSION 2.0.0
.EMAIL REDMONSON@BLM.GOV,DUWAYNE.TRAVERSIE@BIA.GOV
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