204
FNUS73 KMPX 251551
FWSMPX
SPOT FORECAST FOR UPPER SIOUX PILE RX...USWFS
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1051 AM CDT THU JUN 25 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON JUNE 25.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH
THIS FORECAST.
DISCUSSION
PARTLY CLOUDY SKIES BECOMING MOSTLY CLOUDY OVER THE NEXT COUPLE OF
HOURS. RH VALUES WILL START NEAR 70 PERCENT AND THEN FALLING TO 50
PERCENT EARLY THIS EVENING. WINDS WILL BE LIGHT OUT OF THE N EARLY
THEN SHIFTING NE LATE THIS AFTERNOON, THEN BECOMING EAST THIS
EVENING.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
TEMPERATURE.........67 AT IGNITION...MAX 77.
RH..................68 PERCENT AT IGNITION...MIN 50 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 7 MPH AT
IGNITION...OTHERWISE NORTH WINDS 6 TO 7 MPH
SHIFTING TO THE NORTHEAST AROUND 6 MPH LATE IN
THE AFTERNOON.
SMOKE DISPERSAL.....FAIR /27700 KNOT-FT/ AT IGNITION. MAX...GOOD
/37500 KNOT-FT/.
MIXING HEIGHT.......3100 FT AGL AT IGNITION...OTHERWISE 5100 FT
AGL.
TRANSPORT WINDS.....NORTH 7 TO 12 MPH SHIFTING TO THE NORTHEAST
AROUND 6 MPH LATE IN THE AFTERNOON.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
SKY COVER.......PC MC MC MC MC MC MC MC MC MC MC MC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............67 69 71 72 73 74 75 75 75 74 72 69
RH..............68 66 61 57 55 53 50 50 50 51 55 61
20 FT WIND DIR..NW N N N N N NE NE NE E E E
20 FT WIND SPD..7 7 7 7 6 6 6 6 6 6 5 5
20 FT WIND GUST.12 12 12 12 12 10 10 10 10 10 8 8
MIX HGT (KFT)...3.1 3.7 4.2 4.1 4.2 5.1 5.0 4.7 4.7 4.1 1.6 0.4
TRANSP WIND DIR.N N N N N N NE NE E E E E
TRANSP WIND SPD.10 12 10 10 8 7 6 6 6 6 7 8
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT).
TEMPERATURE.........MIN 57.
RH..................MAX 86 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 6 MPH BECOMING AROUND 5 MPH
OVERNIGHT.
SMOKE DISPERSAL.....FAIR (23500 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3100 KNOT-FT) LATE IN THE
NIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....EAST 6 TO 10 MPH.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
TEMPERATURE.........MAX 81.
RH..................MIN 42 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 6 TO 12 MPH.
SMOKE DISPERSAL.....POOR (3300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (76300 KNOT-FT) IN THE
AFTERNOON.
MIXING HEIGHT.......5900 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 9 TO 15 MPH.
FORECASTER...DUNLEAVY
REQUESTED BY...MARTIN CASSELLIUS
TYPE OF REQUEST...PRESCRIBED
.TAG 2616113.0/MPX
.DELDT 06/24/26
.FORMATTERVERSION 2.0.0
.EMAIL MARTIN.CASSELLIUS@BIA.GOV
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