973
FNUS73 KUNR 121934
FWSUNR
SPOT FORECAST FOR NORTH ROUTE WF...WFS
NATIONAL WEATHER SERVICE RAPID CITY SD
134 PM MDT TUE MAY 12 2026
FORECAST IS BASED ON FORECAST START TIME OF 1400 MDT ON MAY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
...RED FLAG WARNING IN EFFECT FROM NOON WEDNESDAY TO 9 PM MDT
THURSDAY...
DISCUSSION
HOT, DRY, AND WINDY CONDITIONS ARE ON TAP FOR THE
SPOT LOCATION OVER THE NEXT FEW DAYS. FOR TODAY, BREEZY NORTHWEST
TO NORTH WINDS WILL DIMINISH LATE AFTERNOON INTO THE EVENING,
BECOMING LIGHT AND MORE EASTERLY. RH RECOVERY WILL BE FAIR
TONIGHT, ROUGHLY 50 TO 55 PERCENT. LOW RH'S CONTINUE WEDNESDAY,
WITH HUMIDITY DROPPING TO AROUND 13 PERCENT IN THE AFTERNOON.
WINDS PICK UP AGAIN OUT OF THE SOUTHEAST LATE WEDNESDAY MORNING
AND WILL CONTINUE THROUGH THURSDAY AFTERNOON. GUSTS 30 TO 40 MPH
WILL BE POSSIBLE IN THIS TIMEFRAME. A RED FLAG WARNING HAS BEEN
ISSUED OVER THE SPOT LOCATION, VALID FROM NOON MDT WEDNESDAY,
THROUGH 9 PM MDT THURSDAY. WHILE THERE IS A SMALL CHANCE FOR A
LIGHT SHOWER OR TWO WEDNESDAY AND THURSDAY, THE NEXT DECENT
CHANCES FOR WETTING RAINS DO NOT COME UNTIL NEXT WEEK.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........NORTH WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
31 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......7900 TO 8400 FT AGL.
TRANSPORT WINDS.....NORTH 25 TO 35 MPH.
SMOKE DISPERSAL.....EXCELLENT.
TIME (MDT) 2PM 3PM 4PM 5PM
SKY (%).........6 5 4 5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0
TEMP............72 73 74 73
RH..............20 19 18 19
20 FT WIND DIR..N N N N
20 FT WIND SPD..21 20 17 15
20 FT WIND GUST.31 30 26 23
MIX HGT (KFT)...7.3 8.4 8.1 7.8
TRANSP WIND DIR.N N N N
TRANSP WIND SPD.31 29 26 24
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........51 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 10 TO 13 MPH WITH GUSTS TO
AROUND 17 MPH SHIFTING TO THE SOUTHEAST LATE IN
THE EVENING, THEN SHIFTING TO THE SOUTH WITH
GUSTS TO AROUND 13 MPH OVERNIGHT.
CWR.................0 PERCENT.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....NORTH 20 TO 25 MPH SHIFTING TO THE SOUTHEAST 15
TO 20 MPH LATE IN THE EVENING.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR EARLY IN THE EVENING.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........6 11 14 13 13 16 16 18 16 17 13 8
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............72 70 66 62 59 57 55 54 53 52 49 48
RH..............19 20 24 28 32 34 37 40 41 43 50 51
20 FT WIND DIR..N N NE E SE SE SE S S S S S
20 FT WIND SPD..14 12 9 8 7 7 8 8 8 9 10 10
20 FT WIND GUST.21 18 15 12 10 12 12 13 13 14 15 16
MIX HGT (KFT)...7.4 2.9 0.6 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.N N E E E SE SE SE S S S S
TRANSP WIND SPD.22 17 14 12 10 12 12 12 13 14 15 17
WEDNESDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........13 PERCENT.
WIND (20 FT)........SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
31 MPH INCREASING TO AROUND 25 MPH WITH GUSTS
TO AROUND 33 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......7900 TO 8400 FT AGL.
TRANSPORT WINDS.....SOUTH 20 TO 30 MPH INCREASING TO 30 TO 35 MPH
IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....GOOD INCREASING TO EXCELLENT.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........9 12 8 5 5 5 11 15 13 11 11 18
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............50 56 63 69 74 78 81 85 87 89 90 90
RH..............48 42 34 28 23 19 17 15 14 14 13 13
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..12 15 17 20 20 21 22 22 21 22 23 24
20 FT WIND GUST.17 21 25 28 30 31 31 31 31 31 33 33
MIX HGT (KFT)...0.4 0.5 1.1 2.1 3.0 4.0 4.9 6.1 7.2 8.4 7.4 6.4
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.20 22 25 29 30 31 32 32 32 32 32 33
FORECASTER...AD
REQUESTED BY...IAN MUIRHEAD
TYPE OF REQUEST...WILDFIRE
.TAG 2613477.0/UNR
.DELDT 05/12/26
.FORMATTERVERSION 2.0.0
.EMAIL JUSTIN_EVANS2@HOTMAIL.COM,IAN_MUIRHEAD@NPS.GOV
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