586
FNUS73 KDMX 171539
FWSDMX
SPOT FORECAST FOR WEST BOAT RAMP AND BONE YARD BRUSH PILE BURN...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
1039 AM CDT TUE MAR 17 2026
FORECAST IS BASED ON FORECAST START TIME OF 1100 CDT ON MARCH 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED.
PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN.
DISCUSSION
LIGHT AND VARIABLE WINDS THIS MORNING WILL TURN THROUGH SOUTHWEST
TO SOUTH BY THIS AFTERNOON, AND INCREASE TO NEAR 15 MPH AT TIMES.
RELATIVE HUMIDITY WILL CONTINUE TO FALL DURING THE DAY, BUT WITH
MINIMUM VALUES ONLY AROUND 45 PERCENT IN THE AFTERNOON. SKIES WILL
BE MOSTLY CLOUDY.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT) THEN BECOMING
CLOUDY (85-95 PERCENT). SLIGHT CHANCE OF SNOW
LATE IN THE AFTERNOON. CHANCE OF SNOW LATE IN
THE AFTERNOON.
TEMPERATURE.........13 AT FORECAST START...MAX 25.
RH..................64 PERCENT AT FORECAST START...MIN 52 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 5 MPH AT FORECAST
START...OTHERWISE SOUTHWEST WINDS 5 TO 8 MPH
SHIFTING TO THE SOUTH 10 TO 13 MPH LATE IN THE
AFTERNOON.
MIXING HEIGHT.......1800 FT AGL AT FORECAST START...OTHERWISE 2300
FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 16 MPH SHIFTING TO THE SOUTH
AROUND 18 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR /11000 KNOT-FT/ AT FORECAST START.
MAX...GOOD /34900 KNOT-FT/.
GFDI................2.
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 6 MPH SHIFTING TO THE
SOUTH 8 TO 10 MPH LATE IN THE AFTERNOON.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........47 68 82 84 89 87 87
WEATHER COV..... SCH CHC CHC
WEATHER TYPE.... SN SN SN
TSTM COV........
TEMP............13 17 19 21 23 23 23
RH..............64 56 54 54 52 57 62
20 FT WIND DIR..SW SW S S S S S
20 FT WIND SPD..5 7 8 10 12 13 13
20 FT WIND GUST.7 9 12 14 16 18 20
EYE LVL WND DIR.SW SW S S S S S
EYE LVL WND SPD.4 6 6 8 10 10 10
EYE LVL WND GST.6 7 10 11 13 14 16
MIX HGT (KFT)...1.8 2.2 2.2 2.3 2.3 2.2 2.1
TRANSP WIND DIR.SW SW S S S S S
TRANSP WIND SPD.7 9 12 14 16 18 18
GFDI............1 1 2 2 3 3 3
SMOKE DISPERSAL.11 17 22 27 32 35 34
SMOKE CAT.......PR PR PR PR PR PR PR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT). SNOW LIKELY IN
THE EVENING, THEN SLIGHT CHANCE OF SNOW
OVERNIGHT.
TEMPERATURE.........MIN 21.
RH..................MAX 96 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 13 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 21 MPH DECREASING TO AROUND 9 MPH
EARLY IN THE MORNING.
SMOKE DISPERSAL.....FAIR (25200 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (4200 KNOT-FT) LATE IN THE
NIGHT.
GFDI................2.
EYE LEVEL WINDS.....SOUTH WINDS UP TO 10 MPH.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........86 88 87 89 88 80 80 64 47 28 18 17
WEATHER COV.....CHC LKY LKY LKY CHC SCH SCH
WEATHER TYPE....SN SN SN SN SN SN SN
TSTM COV........
TEMP............24 24 23 23 23 24 24 22 24 24 24 24
RH..............65 71 77 81 84 84 84 96 88 88 88 88
20 FT WIND DIR..S S S S SE S S S S S S S
20 FT WIND SPD..13 12 10 10 12 10 10 10 8 6 6 5
20 FT WIND GUST.20 18 18 18 20 18 18 17 15 13 12 9
EYE LVL WND DIR.S S S S SE S S S S S S S
EYE LVL WND SPD.10 10 8 8 10 8 8 8 6 5 5 4
EYE LVL WND GST.16 14 14 14 16 14 14 14 12 10 10 7
MIX HGT (KFT)...1.7 1.2 0.9 1.1 1.0 0.9 0.8 0.7 0.7 0.6 0.6 0.5
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.17 18 20 20 20 21 20 17 15 14 12 9
GFDI............3 2 2 2 2 2 2 2 1 1 1 1
SMOKE DISPERSAL.25 19 16 18 17 17 13 11 9 7 6 4
SMOKE CAT.......PR PR PR PR PR PR PR PR PR PR PR PR
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
TEMPERATURE.........MAX 49.
RH..................MIN 68 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......1200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH SHIFTING TO THE
NORTHWEST 8 TO 12 MPH IN THE LATE MORNING AND
AFTERNOON.
SMOKE DISPERSAL.....POOR (2400 KNOT-FT).
GFDI................1.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 5 MPH IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 10 20 26 18 19 32 45 46 50 50 66
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............24 24 25 29 33 37 41 45 48 49 50 50
RH..............88 88 84 85 82 79 73 70 68 68 68 68
20 FT WIND DIR..S SW SW W W W W W W W W W
20 FT WIND SPD..3 2 2 2 3 3 5 5 5 5 6 5
20 FT WIND GUST.8 7 7 7 8 8 8 9 9 9 10 9
EYE LVL WND DIR.S SW SW W W W W W W W W W
EYE LVL WND SPD.2 2 2 2 2 2 4 4 4 4 5 4
EYE LVL WND GST.6 6 6 6 6 6 6 7 7 7 8 7
MIX HGT (KFT)...0.4 0.3 0.4 0.4 0.6 0.7 0.8 0.9 1.0 1.1 1.2 0.8
TRANSP WIND DIR.SW SW W NW NW NW W W W W W W
TRANSP WIND SPD.8 8 8 8 10 10 8 12 9 9 10 10
GFDI............1 0 1 1 1 1 1 1 1 1 2 1
SMOKE DISPERSAL.3 2 3 3 5 6 6 10 8 8 11 7
SMOKE CAT.......PR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...LEE
REQUESTED BY...BRIAN ANDERA
TYPE OF REQUEST...WILDFIRE
.TAG 2606065.0/DMX
.DELDT 03/17/26
.FORMATTERVERSION 2.0.0
.EMAIL BRIAN.ANDERA@DNR.IOWA.GOV
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