969
FNUS73 KUNR 032114
FWSUNR
SPOT FORECAST FOR BIGLEY...FOREST SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
314 PM MDT MON AUG 3 2026
FORECAST IS BASED ON FORECAST START TIME OF 1700 MDT ON AUGUST 03.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WINDS HAVE SHIFTED TO THE NORTH DUE TO THE
PASSING COLD FRONT. REPORTED WIND SPEEDS IN THE AREA HAVE BEEN
AROUND 5 TO 10 MPH WITH GUSTS UP TO 20 TO 30 MPH. CONDITIONS LIKE
THIS WILL CONTINUE INTO THE EVENING WITH DIMINISHING WINDS
OVERNIGHT. LIGHT WINDS CONTINUE INTO TUESDAY.
OVERNIGHT TEMPERATURES WILL DIP INTO THE 40S WITH RELATIVE
HUMIDITY RECOVERING TO AROUND 70 TO 75% TONIGHT. TUESDAY'S
AFTERNOON HIGH WILL BE COOLER THAN TODAY, TOPPING OUT NEAR 70
DEGREES. AFTERNOON RELATIVE HUMIDITY WILL DIP TO AROUND 30 TO 35%.
TUESDAY NIGHT HAS LOW RAIN CHANCES, LESS THAN 20%, AND THE REST
OF THE WEEK LOOKS DRY. DAILY HIGH TEMPS WILL WARM BACK UP
BEGINNING WEDNESDAY WITH HIGHS NEAR 80, HIGHS IN THE 90S RETURN TO
THE AREA FRIDAY WITH THE HOT 90S LASTING INTO THE WEEKEND.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). AREAS OF SMOKE.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........76 PERCENT.
WIND (20 FT)........NORTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND
39 MPH BECOMING NORTHWEST AROUND 5 MPH WITH
GUSTS TO AROUND 17 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....NORTH 30 TO 40 MPH BECOMING NORTHWEST 10 TO 15
MPH.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........30 9 10 12 7 8 8 7 9 13 23 23
WEATHER COV.....ARS ARS ARS ARS ARS ARS ARS ARS ARS ARS ARS ARS
WEATHER TYPE....SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............57 53 53 56 54 52 50 49 49 48 47 46
RH..............71 76 67 55 57 61 66 66 66 68 69 74
20 FT WIND DIR..N N N N N NW NW NW NW NW W W
20 FT WIND SPD..20 18 16 13 12 8 6 5 3 3 2 2
20 FT WIND GUST.38 39 35 30 28 25 23 21 17 14 12 10
MIX HGT (KFT)...4.3 3.1 2.7 1.7 1.9 1.8 1.5 1.1 0.5 0.5 0.6 0.6
TRANSP WIND DIR.N N N N N NW NW NW NW NW NW NW
TRANSP WIND SPD.36 33 31 28 25 24 22 18 16 14 12 10
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). AREAS OF SMOKE IN
THE MORNING.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........33 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH SHIFTING TO THE
NORTH LATE IN THE MORNING, THEN SHIFTING TO THE
NORTHEAST WITH GUSTS TO AROUND 14 MPH LATE IN
THE MORNING SHIFTING TO THE EAST WITH GUSTS TO
AROUND 17 MPH EARLY IN THE AFTERNOON INCREASING
TO EAST AROUND 5 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......5900 TO 6400 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE SOUTH
LATE IN THE MORNING, THEN INCREASING TO AROUND
15 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........34 40 33 32 36 40 40 38 37 36 33 28
WEATHER COV.....ARS ARS ARS ARS ARS ARS
WEATHER TYPE....SMK SMK SMK SMK SMK SMK
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............46 49 54 57 60 62 64 65 66 68 69 68
RH..............73 68 58 49 43 39 38 38 36 33 34 35
20 FT WIND DIR..NW NW NW N NE E E E E E E E
20 FT WIND SPD..2 1 1 1 2 2 3 5 5 5 5 5
20 FT WIND GUST.9 9 9 9 12 14 17 18 20 20 20 20
MIX HGT (KFT)...0.6 1.3 2.1 2.7 3.4 4.1 4.8 5.3 5.9 6.4 6.1 5.7
TRANSP WIND DIR.NW NW NW NW NW SW S S S S S S
TRANSP WIND SPD.9 8 7 6 8 10 13 14 14 15 15 14
FORECAST DAYS 3 THROUGH 5
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 40S. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND
5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 90. WEST WINDS
AROUND 5 MPH.
FORECASTER...GS
REQUESTED BY...TELLI MORFORD
TYPE OF REQUEST...WILDFIRE
.TAG 2618842.3/UNR
.DELDT 08/03/26
.FORMATTERVERSION 2.0.0
.EMAIL TELLI.MORFORD@USDA.GOV,TANNER.SPRAGUE@USDA.GOV,BLACKHAWKVOLFD@GMAIL.COM
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