053
FNUS73 KUNR 282319
FWSUNR
SPOT FORECAST FOR TIMBER...SD-PRA
NATIONAL WEATHER SERVICE RAPID CITY SD
519 PM MDT SAT MAR 28 2026
FORECAST IS BASED ON FORECAST START TIME OF 1900 MDT ON MARCH 28.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
..RED FLAG WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING
DISCUSSION
WINDS HAVE DIMINISHED THIS AFTERNOON, DESPITE RELATIVE
HUMIDITY BOTTOMING OUT AROUND 15 PERCENT. SOUTHEAST WINDS WILL PERSIST
THROUGH 1800-1900 BEFORE BECOMING LIGHT AND TERRAIN DRIVEN OVERNIGHT.
EXPECT POOR-TO-FAIR OVERNIGHT RH RECOVERY (~50%) WITH TEMPERATURES
FALLING INTO THE MID 30S.
VERY WARM (75F) AND DRY (RH ~12%) TOMORROW, ALTHOUGH WINDS WILL REMAIN
BELOW CRITICAL THRESHOLDS WITH CONSIDERABLE TERRAIN-INDUCED VARIABILITY
IN SHELTERED AREAS. POOR OVERNIGHT RH RECOVERY (~40%) SUNDAY NIGHT INTO
MONDAY MORNING WITH SOUTHERLY WINDS.
VERY WARM MONDAY (84F) AND DRY (RH ~10%) AHEAD OF A COLD FRONT. EXPECT
WEST-SOUTHWEST WINDS WITH GUSTS 25 TO 30 MPH DURING THE AFTERNOON,
RESULTING IN CRITICAL FIRE WEATHER CONDITIONS. THE COLD FRONT WILL SHIFT
WINDS NORTHWEST AFTER 1800 MONDAY EVENING, WITH GUSTS TO 40 MPH BEHIND THE
FRONT.
SPOTTY LIGHT SHOWERS BEHIND THE FRONT INTO TUESDAY, ALTHOUGH PRECIPITATION
AMOUNTS WILL BE LIMITED.
REST OF TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....AROUND 36.
MAX HUMIDITY........50-55 PERCENT.
WIND (20 FT)........LIGHT EASTERLY WINDS AROUND 5 MPH; EXPECT
DIURNALLY DRIVEN WINDS TO DOMINATE, 3 TO 6
MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH SHIFTING TO THE WEST AFTER
3 AM.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........38 43 52 47 40 36 29 26 25 22 19
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0
TEMP............64 59 55 50 48 47 46 44 41 40 39
RH..............21 25 30 36 40 42 43 47 50 50 52
20 FT WIND DIR..E E E SE SE SE S SW W W W
20 FT WIND SPD..2 1 2 3 2 2 2 2 2 2 2
20 FT WIND GUST.8 8 10 9 9 8 8 8 9 9 9
MIX HGT (KFT)...0.6 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.S S SE S S S SW SW W W W
TRANSP WIND SPD.8 9 10 9 9 8 9 10 10 10 10
SUNDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........12-15 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 5 MPH WITH GUSTS TO AROUND 12
MPH SHIFTING TO THE NORTHWEST WITH GUSTS TO
AROUND 16 MPH IN THE LATE MORNING AND EARLY
AFTERNOON, THEN SHIFTING TO THE NORTH WITH
GUSTS TO AROUND 14 MPH LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......7000 TO 7500 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH SHIFTING TO THE NORTHWEST IN
THE AFTERNOON, THEN SHIFTING TO THE SOUTHWEST
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........19 19 21 16 7 10 8 9 11 11 15 19
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............37 39 42 48 56 62 66 69 73 73 74 75
RH..............54 50 45 40 31 26 21 19 16 14 13 14
20 FT WIND DIR..SW W W W NW NW NW N N NW N NE
20 FT WIND SPD..2 2 2 3 5 6 7 7 8 8 7 7
20 FT WIND GUST.9 9 10 12 13 15 16 15 16 15 14 14
MIX HGT (KFT)...0.4 0.4 0.4 0.7 1.2 1.9 2.7 3.8 5.7 7.5 5.9 4.4
TRANSP WIND DIR.W W W W W NW NW NW W W W SW
TRANSP WIND SPD.10 10 12 12 13 14 14 14 15 14 14 13
SUNDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........40 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 10 MPH SHIFTING TO THE
SOUTHWEST OVERNIGHT. GUSTS UP TO 18 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH SHIFTING TO THE SOUTH
15 TO 25 MPH EARLY IN THE EVENING, THEN
SHIFTING TO THE SOUTHWEST 15 TO 20 MPH AFTER 3
AM.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........30 33 40 46 46 46 46 46 47 47 46 45
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............73 67 63 56 53 52 52 51 51 50 48 47
RH..............17 21 24 31 35 36 36 36 34 34 35 37
20 FT WIND DIR..E E SE SE SE S S S SW SW SW SW
20 FT WIND SPD..7 8 8 9 9 10 10 9 9 8 7 7
20 FT WIND GUST.13 13 15 16 17 18 18 18 18 17 16 15
MIX HGT (KFT)...2.8 2.1 1.3 0.6 0.6 0.6 0.7 0.6 0.6 0.6 0.5 0.5
TRANSP WIND DIR.SW S SE SE SE S S S SW SW SW W
TRANSP WIND SPD.12 13 15 16 18 20 21 21 21 20 17 15 CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED
THIS WEEKEND. WHILE WIND SPEED AND GUSTS WILL BE 20 MPH OR LESS,
THE MINIMUM RELATIVE HUMIDITY TODAY WILL BE AROUND 10% AND AROUND
14% SUNDAY. VERY POOR RELATIVE HUMIDITY RECOVERY IS EXPECTED
TONIGHT (30-35%). TEMPERATURES WILL PEAK AROUND 70F TODAY AND
SUNDAY WITH A LOW IN THE LOWER 40S TONIGHT.
LOOKING AHEAD TO MONDAY NEAR CRITICAL FIRE WEATHER CONDITIONS WILL
CONTINUE. A STRONG COLD FRONT IS EXPECTED MONDAY EVENING. AHEAD
OF THE FRONT GUSTY (25+ MPH) WEST WINDS WILL OCCUR (ESPECIALLY FOR
UNSHELTERED AREAS). BEHIND THE COLD FRONT MONDAY NIGHT, WINDS
WILL BECOME NORTH TO NORTHWEST WIND GUSTS FROM 15-25 MPH POSSIBLE.
FORECASTER...SE
REQUESTED BY...IC BACKWARD
TYPE OF REQUEST...WILDFIRE
.TAG 2607938.2/UNR
.DELDT 03/28/26
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL.BACKWARD@BIA.GOV,JUSTIN.BAUER@BIA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page