462
FNUS73 KUNR 161850
FWSUNR
SPOT FORECAST FOR WOODPECKER...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
1250 PM MDT TUE SEP 16 2025
FORECAST IS BASED ON FORECAST START TIME OF 1300 MDT ON SEPTEMBER 16.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
CLOUDY SKIES, COOL TEMPERATURES, AND OFF AND ON LIGHT RAIN IS
EXPECTED THIS AFTERNOON ALTHOUGH AN ISOLATED THUNDERSTORM IS ALSO
POSSIBLE. MIN RH VALUES WILL BE HIGH IN THE UPPER 40S, WHILE WINDS
REMAIN AROUND 10 MPH WITH OCCASIONAL GUSTS TO 20 MPH THIS
AFTERNOON. THIS EVENING INTO TONIGHT, RAIN IS UNLIKELY WITH A
DECREASE IN WINDS AND A SHIFT TO A NORTHWEST DIRECTION. ON
WEDNESDAY, WINDS WILL RESTRENGTHEN AROUND SUNRISE WITH NORTH WINDS
GUSTING UP TO 25 MPH DURING THE DAY. RAIN WILL ALSO RETURN AROUND
SUNRISE WITH A FEW THUNDERSTORMS ALSO POSSIBLE IN THE AFTERNOON.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). CHANCE OF RAIN
AND THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 20 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
CWR.................30 PERCENT.
MIXING HEIGHT.......4100 TO 4600 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH.
SMOKE DISPERSAL.....FAIR.
TIME (MDT) 1PM 2PM 3PM 4PM 5PM
SKY (%).........71 74 77 69 61
WEATHER COV.....CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW
TSTM COV........CHC CHC CHC CHC CHC
CWR.............30 30 30 30 30
TEMP............62 62 64 64 64
RH..............64 65 64 63 63
20 FT WIND DIR..E NE NE NE NE
20 FT WIND SPD..7 7 7 7 6
20 FT WIND GUST.18 18 20 18 18
MIX HGT (KFT)...2.8 3.0 4.6 2.9 2.0
TRANSP WIND DIR.N NE E NE NE
TRANSP WIND SPD.14 15 15 14 13
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE
OF RAIN AND THUNDERSTORMS.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP
TO 16 MPH.
CWR.................25 PERCENT.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........53 57 60 64 66 69 72 76 80 84 86 89
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........SCH SCH SCH SCH SCH SCH
CWR.............20 20 20 20 20 20 20 20 20 20 20 20
TEMP............64 61 59 58 57 57 57 56 56 55 54 53
RH..............63 70 75 77 80 80 80 83 83 86 90 93
20 FT WIND DIR..N N NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..6 6 6 6 6 6 6 6 6 6 7 7
20 FT WIND GUST.14 14 13 14 14 14 9 14 14 14 15 16
MIX HGT (KFT)...1.8 0.6 0.4 0.4 0.4 0.6 0.5 0.5 0.4 0.4 0.5 0.6
TRANSP WIND DIR.NE N N N NW NW W W NW NW NW N
TRANSP WIND SPD.12 12 12 12 10 9 9 9 10 12 13 14
WEDNESDAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN IN THE MORNING,
THEN RAIN AND A FEW THUNDERSTORMS IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........75 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO
25 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR ANY THUNDERSTORMS IN THE AFTERNOON.
CWR.................80 PERCENT.
MIXING HEIGHT.......2700 TO 3200 FT AGL.
TRANSPORT WINDS.....NORTH 15 TO 25 MPH.
SMOKE DISPERSAL.....FAIR.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........91 89 87 85 90 94 98 98 98 98 94 91
WEATHER COV.....LKY LKY LKY LKY LKY LKY DEF DEF DEF DEF DEF DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH
CWR.............80 80 80 80 80 80 80 80 80 80 80 80
TEMP............53 55 56 58 59 59 60 61 61 61 60 59
RH..............93 86 86 80 78 78 78 75 75 75 78 80
20 FT WIND DIR..NW N N N N N N N N N N N
20 FT WIND SPD..8 8 8 9 9 10 10 10 10 10 10 9
20 FT WIND GUST.17 18 20 21 22 22 23 24 25 25 25 24
MIX HGT (KFT)...0.7 1.0 1.3 1.6 2.1 2.7 3.2 3.0 2.9 2.7 2.3 2.0
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.15 16 17 18 18 20 20 21 21 22 21 20
FORECASTER...NWS
REQUESTED BY...GPC
TYPE OF REQUEST...WILDFIRE
.TAG 2522041.0/UNR
.DELDT 09/16/25
.FORMATTERVERSION 2.0.0
.EMAIL SDGPC@FIRENET.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page