397
FNUS73 KUNR 311122
FWSUNR
SPOT FORECAST FOR QURY FIRE...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
522 AM MDT TUE MAR 31 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON MARCH 31.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A STORM SYSTEM WILL AFFECT THE FIRE AREA TONIGHT
AND WEDNESDAY WITH GOOD CHANCES (50%) FOR WETTING PRECIPITATION
(0.10") AS WELL AS THE POTENTIAL FOR ACCUMULATING SNOWFALL (~1
INCH).
HIGHS TODAY WILL BE AROUND 38F WITH A MINIMUM RELATIVE HUMIDITY
AROUND 39%. NORTH WINDS AT 10-15 MPH WILL BECOME EAST. LOWS
TONIGHT WILL BE AROUND 27F WITH GOOD RELATIVE HUMIDITY RECOVERY
AROUND 80%. EAST WINDS WILL BLOW AT 10-15 MPH. HIGHS WEDNESDAY
WILL BE AROUND 41F WITH A MINIMUM RELATIVE HUMIDITY AROUND 61%.
EXPECT EAST WINDS AROUND 10 MPH.
LOOKING AHEAD, A STRONGER SYSTEM ARRIVES FOR LATER THURSDAY INTO
FRIDAY, BUT RIGHT NOW, THE HIGHEST SNOWFALL AMOUNTS SHOULD BE
NORTH OF I-90, BUT 1-2" OF SNOW MAY FALL ON THE FIRE AREA WITH
0.10-0.20" LIQUID EQUIVALENT PRECIPITATION.
TODAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SLIGHT CHANCE OF
SNOW.
MAX TEMPERATURE.....AROUND 38.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 10 TO 15 MPH SHIFTING TO THE
EAST LATE IN THE MORNING. GUSTS AROUND 20 MPH.
CWR.................35 PERCENT.
MIXING HEIGHT.......2400 TO 2900 FT AGL.
TRANSPORT WINDS.....NORTH 15 TO 20 MPH SHIFTING TO THE EAST 20 TO
25 MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....FAIR.
TIME (MDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........95 95 91 87 88 88 91 87 93 90 94
WEATHER COV..... SCH SCH SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............30 30 30 30 30 30 30 30 30 30 30
TEMP............31 31 32 33 35 36 38 38 38 37 35
RH..............66 66 62 56 48 43 41 40 39 42 46
20 FT WIND DIR..N NE NE NE NE E E E E E E
20 FT WIND SPD..12 12 12 10 10 10 10 12 12 12 12
20 FT WIND GUST.17 17 17 18 20 20 21 22 22 23 24
MIX HGT (KFT)...1.5 2.1 2.0 2.0 2.3 2.6 2.7 2.8 2.9 2.7 2.5
TRANSP WIND DIR.N N N NE E E E SE SE SE SE
TRANSP WIND SPD.14 15 15 16 16 17 18 20 20 21 20
TONIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SNOW LIKELY.
MIN TEMPERATURE.....AROUND 27.
MAX HUMIDITY........80 PERCENT.
WIND (20 FT)........EAST WINDS 10 TO 15 MPH WITH GUSTS AROUND 25
MPH.
CWR.................50 PERCENT.
MIXING HEIGHT.......1000 TO 1500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 20 TO 25 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........95 93 91 81 81 84 80 81 87 93 94 85
WEATHER COV.....LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY
WEATHER TYPE....SN SN SN SN SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............50 50 50 50 50 50 50 50 50 50 50 50
TEMP............33 31 30 30 30 29 29 28 27 26 26 26
RH..............52 60 63 65 63 63 64 67 70 74 75 77
20 FT WIND DIR..E E E E E E E E E SE SE SE
20 FT WIND SPD..12 12 12 12 12 10 10 10 9 9 9 9
20 FT WIND GUST.24 23 24 25 23 23 22 20 20 20 20 18
MIX HGT (KFT)...2.3 1.7 1.4 1.9 1.4 1.3 1.2 1.2 1.0 1.2 1.2 1.2
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.21 21 21 21 20 20 20 20 20 20 18 17
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SNOW
AT TIMES.
MAX TEMPERATURE.....AROUND 41.
MIN HUMIDITY........61 PERCENT.
WIND (20 FT)........EAST WINDS AROUND 10 MPH WITH GUSTS AROUND
20 MPH.
CWR.................55 PERCENT.
MIXING HEIGHT.......1500 TO 2000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH SHIFTING TO THE
NORTHEAST LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........79 79 85 91 90 88 87 87 88 88 88 89
WEATHER COV.....LKY LKY LKY LKY LKY LKY DEF DEF DEF DEF DEF DEF
WEATHER TYPE....SN SN SN SN SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............50 50 50 50 50 50 50 50 50 50 50 50
TEMP............26 28 30 32 33 35 37 39 40 41 41 40
RH..............80 76 71 68 69 68 69 65 62 61 61 63
20 FT WIND DIR..E E SE SE SE SE SE SE E E E E
20 FT WIND SPD..9 9 9 10 10 10 10 10 10 10 10 10
20 FT WIND GUST.18 18 20 22 23 23 23 23 23 23 23 23
MIX HGT (KFT)...1.2 1.3 1.3 1.3 1.4 1.5 1.6 1.7 1.9 2.0 1.7 1.3
TRANSP WIND DIR.SE SE SE SE SE SE SE E E NE NE NE
TRANSP WIND SPD.16 16 17 17 18 18 20 20 20 20 20 18
FORECASTER...EH
REQUESTED BY...ROB MACDONALD
TYPE OF REQUEST...WILDFIRE
.TAG 2608193.3/UNR
.DELDT 03/31/26
.FORMATTERVERSION 2.0.0
.EMAIL ROBERT.J.MACDONALD@USDA.GOV
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