927
FNUS73 KUNR 171437
FWSUNR
SPOT FORECAST FOR GUARD SCHOOL...SD-PRA
NATIONAL WEATHER SERVICE RAPID CITY SD
837 AM MDT FRI APR 17 2026
FORECAST IS BASED ON FORECAST START TIME OF 0900 MDT ON APRIL 17.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
GUSTY NORTHWEST WINDS ARE EXPECTED TODAY ALONG
WITH A BIT OF RAIN OR SNOW, BUT WETTING PRECIPITATION IS NOT
EXPECTED. COLD TEMPERATURES TONIGHT (AROUND 21F) WILL BECOME
MILDER ON SATURDAY WITH HIGHS AROUND 55F. A STRAY RAIN SHOWER MAY
OCCUR SATURDAY. MINIMUM RELATIVE HUMIDITIES WILL BE AROUND 19%
SATURDAY, SO WETTING PRECIPITATION IS NOT EXPECTED.
LOOKING AHEAD, ELEVATED TO CRITICAL FIRE WEATHER CONDITIONS ARE
EXPECTED SUNDAY THROUGH THE FIRST HALF OF NEXT WEEK.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF SNOW
LATE IN THE MORNING, THEN CHANCE OF RAIN EARLY
IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 46.
MIN HUMIDITY........29 PERCENT.
CHANCE OF PCPN......30 PERCENT.
MIN APPARENT TEMP...27.
SURFACE WINDS (MPH).NORTHWEST WINDS 13 TO 18 MPH WITH GUSTS TO
AROUND 28 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (MDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........94 92 93 91 89 83 77 72 64
WEATHER COV.....CHC CHC CHC CHC CHC CHC SCH SCH SCH
WEATHER TYPE....SN SN SN SN RN RN RN RN RN
TSTM COV........
CHC OF PCPN (%).30 30 30 30 30 30 20 20 20
TEMP............36 38 40 43 45 45 46 46 46
RH..............68 64 61 53 46 40 34 30 30
HEAT INDEX (F)..27 28 31 35 37 38 39 39 39
WIND CHILL (F)..27 28 31 35 37 38 39 39 39
SURFACE WND DIR.N N NW NW NW N N NW N
SURFACE WND SPD.13 18 18 17 17 17 18 18 18
SURFACE WND GST.25 28 28 26 25 26 28 28 28
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....AROUND 21.
MAX HUMIDITY........81 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MIN APPARENT TEMP...15.
SURFACE WINDS (MPH).NORTH WINDS 7 TO 16 MPH WITH GUSTS TO AROUND 25
MPH SHIFTING TO THE WEST 5 TO 12 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........60 47 30 22 15 14 16 20 27 30 47 45
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 10 10 0 0 0 0 0 0 0 0 0
TEMP............44 42 38 35 33 31 29 27 25 23 22 21
RH..............29 30 37 41 45 47 48 55 62 68 74 81
HEAT INDEX (F)..37 35 31 28 27 25 24 23 21 18 17 15
WIND CHILL (F)..37 35 31 28 27 25 24 23 21 18 17 15
SURFACE WND DIR.NW N N N NW W W W W W W W
SURFACE WND SPD.16 14 12 9 7 6 5 3 3 3 3 5
SURFACE WND GST.25 22 18 15 13 10 8 8 9 10 10 12
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT
CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........19 PERCENT.
CHANCE OF PCPN......20 PERCENT.
MIN APPARENT TEMP...17.
SURFACE WINDS (MPH).WEST WINDS 5 TO 15 MPH BECOMING NORTHWEST
15 TO 20 MPH WITH GUSTS AROUND 30 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........32 31 34 37 44 52 60 58 56 54 50 46
WEATHER COV..... SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).10 10 10 10 10 10 20 20 20 20 20 20
TEMP............23 27 32 38 42 45 48 52 54 55 55 55
RH..............74 68 58 46 38 32 27 22 20 19 19 19
HEAT INDEX (F)..17 20 25 31 35 38 41 52 54 55 55 55
WIND CHILL (F)..17 20 25 31 35 38 41 52 54 55 55 55
SURFACE WND DIR.W W W W W NW NW NW NW NW NW NW
SURFACE WND SPD.5 6 8 10 14 16 18 20 20 20 20 18
SURFACE WND GST.12 14 18 22 25 28 29 30 31 31 31 30
FORECASTER...EH
REQUESTED BY...IC BAUER
TYPE OF REQUEST...OTHER
.TAG 2610606.0/UNR
.DELDT 04/17/26
.FORMATTERVERSION 2.0.0
.EMAIL JUSTIN.BAUER@BIA.GOV
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