831
FNUS73 KUNR 031719
FWSUNR
SPOT FORECAST FOR NATIONAL TRAILS DAY: SUNDANCE TRAIL...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
1119 AM MDT SAT JUN 3 2023
FORECAST IS BASED ON FORECAST START TIME OF 1300 MDT ON JUNE 03.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THUNDERSTORMS ARE EXPECTED ACROSS THE BLACK HILLS THIS
AFTERNOON AND EVENING. AT THIS TIME, MOST OF THE THUNDERSTORM ACTIVITY
WILL BE OVER THE CENTRAL AND NORTHERN BLACK HILLS WESTWARD THROUGH THE
BEARLODGE MOUNTAINS AND INTO EASTERN WYOMING. THE MAIN THREAT FROM ANY
THUNDERSTORM WILL BE LIGHTNING; SMALL HAIL; GUSTY, ERRATIC WINDS; AND
BRIEF HEAVY RAIN. THUNDERSTORM CHANCES WILL TAPER OFF AFTER 1900-2000.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........55 PERCENT.
CHANCE OF PCPN......40 PERCENT.
MAX APPARENT TEMP...71.
SURFACE WINDS (MPH).EAST-SOUTHEAST WINDS 6 TO 11 MPH, GUSTS TO 15 MPH.
RAINFALL AMOUNT.....0.10-0.20 INCHES.
TIME (MDT) 1PM 2PM 3PM 4PM 5PM
SKY (%).........70 70 69 65 60
WEATHER COV.....CHC CHC CHC CHC CHC
WEATHER TYPE....TRW TRW TRW TRW TRW
CHC OF PCPN (%).40 40 40 40 40
TEMP............70 70 70 71 69
RH..............59 61 59 57 61
HEAT INDEX (F)..70 70 70 71 69
SURFACE WND DIR.ESE ESE ESE ESE ESE
SURFACE WND SPD.9 8 9 9 9
SURFACE WND GST.14 13 13 13 13
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (30-40 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
THUNDERSTORM CHANCES TAPER OFF AFTER 1900.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........85-90 PERCENT.
CHANCE OF PCPN......30 PERCENT.
MAX APPARENT TEMP...68.
SURFACE WINDS (MPH).SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHWEST 5 TO 10 MPH IN THE LATE EVENING AND
OVERNIGHT.
RAINFALL AMOUNT.....0.05-0.10 INCHES.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID
SKY (%).........56 58 55 53 45 46 45
WEATHER COV.....CHC CHC CHC SCH SCH SCH
WEATHER TYPE....TRW TRW TRW TRW TRW TRW
CHC OF PCPN (%).30 30 30 20 20 20 10
TEMP............68 67 62 60 60 59 58
RH..............61 65 72 78 78 80 80
HEAT INDEX (F)..68 67 62 60 60 59 58
SURFACE WND DIR.SE SE S S S SW SW
SURFACE WND SPD.9 8 7 6 6 6 6
SURFACE WND GST.14 12 10 10 8 9 9
FORECASTER...SE
REQUESTED BY...EMILY REIF
TYPE OF REQUEST...OTHER
.TAG 2314135.0/UNR
.DELDT 06/03/23
.FORMATTERVERSION 2.0.0
.EMAIL EMILY.REIF1@USDA.GOV
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