876
FNUS73 KUNR 251408
FWSUNR
SPOT FORECAST FOR LITHOGRAPH RX...NPS
NATIONAL WEATHER SERVICE RAPID CITY SD
808 AM MDT SAT OCT 25 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON OCTOBER 25.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WARM ABOVE NORMAL TEMPERATURES AND DRY CONDITIONS PERSIST ACROSS
THE AREA TODAY. MIN RH WILL RANGE FROM 20 TO 25% TODAY. SKIES
REMAIN MOSTLY CLEAR THROUGHOUT THE DAY WITH INCREASING CLOUD COVER
BY THE LATE EVENING. WINDS WILL GRADUALLY BECOME MORE WESTERLY
THROUGH THE REMAINDER OF THE MORNING. A SOUTHERNLY COMPONENT WILL
DEVELOP THROUGH THE AFTERNOON WITH THE OVERALL DIRECTION BECOMING
A SOUTH-SOUTHWESTERLY ONE BY THE MID TO LATE AFTERNOON. SPEEDS
INCREASE THROUGH THE MORNING RANGING FROM 10 TO 15 MPH WITH
PERIODIC GUSTS OF 20 TO POSSIBLY 25 MPH.
WINDS WILL REMAIN ELEVATED THROUGH THE OVERNIGHT HOURS, SHIFTING
FROM THE SOUTH TO THE WEST-NORTHWEST, GUSTING UP TO 20 MPH.
OVERNIGHT HUMIDITIES WILL RECOVER BY AROUND 20 TO 30% BY
DAYBREAK ON SUNDAY.
WINDS ON SUNDAY MORNING WILL SHIFT TO THE WEST-SOUTHWEST (10-15
MPH, GUSTS TO 25) AS A FRONT APPROACHES THE REGION. THERE'S A
CHANCE FOR RAIN/SNOW SHOWERS SUNDAY NIGHT INTO MONDAY MORNING
(30-50%). THERE MAY BE BRIEF PERIODS OF SNOWFALL OVERNIGHT INTO
MONDAY MORNING BUT OVERALL PRECIPITATION SHOULD FALL AS RAIN. (CHANCE
OF WETTING RAIN IS AROUND 40%).
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 12
MPH SHIFTING TO THE SOUTH WITH GUSTS TO AROUND
18 MPH LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......2900 TO 3400 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 20 MPH SHIFTING TO THE SOUTHWEST 20
TO 25 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR.
TIME (MDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........5 3 3 4 1 0 1 4 3 6
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
TEMP............42 48 52 57 61 64 65 66 65 62
RH..............48 43 37 31 26 24 24 23 25 27
20 FT WIND DIR..NW W W W SW SW SW SW SW S
20 FT WIND SPD..5 5 6 7 8 9 10 10 10 9
20 FT WIND GUST.9 9 12 14 16 18 20 20 18 18
MIX HGT (KFT)...0.4 0.4 0.9 1.5 2.0 2.2 2.5 3.4 2.6 0.8
TRANSP WIND DIR.W W W W SW SW SW SW SW S
TRANSP WIND SPD.8 9 12 16 18 21 21 20 18 16
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) THEN BECOMING
MOSTLY CLOUDY (45-55 PERCENT).
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........53 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 10 MPH SHIFTING TO THE WEST
OVERNIGHT. GUSTS UP TO 18 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH SHIFTING TO THE SOUTHWEST
OVERNIGHT.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........13 19 9 14 20 16 20 29 38 33 35 51
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............56 54 53 52 51 49 48 47 47 46 46 46
RH..............34 36 36 38 41 44 44 45 45 47 47 47
20 FT WIND DIR..S S S S S SW SW W W W W W
20 FT WIND SPD..8 8 8 9 9 9 8 8 8 8 7 6
20 FT WIND GUST.17 16 17 18 17 17 16 16 15 16 15 14
MIX HGT (KFT)...0.4 0.4 0.4 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5
TRANSP WIND DIR.S S S S S SW SW SW SW SW SW W
TRANSP WIND SPD.15 15 16 16 16 15 15 14 15 15 14 14
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 16 MPH SHIFTING TO THE WEST WITH GUSTS
TO AROUND 26 MPH IN THE LATE MORNING AND
AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......5500 TO 6000 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 25 MPH SHIFTING TO THE SOUTHWEST 25
TO 30 MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD LATE IN THE
AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........73 56 39 46 40 46 52 51 51 50 53 56
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............46 45 46 51 56 58 59 60 61 61 60 58
RH..............49 53 53 46 38 36 36 35 32 32 33 36
20 FT WIND DIR..NW NW W W W W W W W W W W
20 FT WIND SPD..6 7 8 9 10 13 14 14 14 14 13 12
20 FT WIND GUST.14 15 16 17 20 23 25 26 26 25 23 21
MIX HGT (KFT)...0.5 0.6 0.7 0.9 1.4 1.9 2.4 3.6 4.8 6.0 4.3 2.5
TRANSP WIND DIR.W W W W W W W W SW SW SW SW
TRANSP WIND SPD.14 15 16 18 22 25 29 30 29 28 24 21
FORECASTER...NWS
REQUESTED BY...DAN SWANSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2524149.4/UNR
.DELDT 10/25/25
.FORMATTERVERSION 2.0.0
.EMAIL DAN_SWANSON@NPS.GOV,ERIC_ROTHLEUTNER@NPS.GOV
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