409
FNUS73 KDMX 121942
FWSDMX
SPOT FORECAST FOR ENGELDINGER MARSH...POLK COUNTY CONSERVATION
NATIONAL WEATHER SERVICE DES MOINES IA
142 PM CST MON JAN 12 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 CST ON JANUARY 13.
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
BREEZY WINDS OUT OF THE WEST ARE EXPECTED AT IGNITION TIME, WITH
GUSTS UP TO 30 MPH POSSIBLE BY MIDDAY. RHS WILL BE IN THE 60S IN
THE MORNING, DROPPING INTO THE 50S IN THE AFTERNOON. CHANCE FOR
SPRINKLES FROM 2-4PM, BUT ACCUMULATIONS WILL BE LITTLE TO NONE.
WINDS WILL THEN BE FROM THE NORTHWEST FOLLOWING THE SPRINKLES.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........61 PERCENT.
WIND (20 FT)........WEST WINDS 14 TO 16 MPH WITH GUSTS TO AROUND 29
MPH.
MIXING HEIGHT.......1900 FT AGL.
TRANSPORT WINDS.....WEST 18 TO 21 MPH.
SMOKE DISPERSAL.....POOR (12200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (34500 KNOT-FT) IN THE
AFTERNOON.
GFDI................6.
TIME (CST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........60 62 60 70 59 66 75 68 69
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............41 44 47 49 50 51 50 51 49
RH..............79 76 68 66 66 63 66 61 66
20 FT WIND DIR..W W W W W W W W NW
20 FT WIND SPD..14 15 15 15 16 16 16 16 15
20 FT WIND GUST.23 24 26 28 28 29 28 28 25
MIX HGT (KFT)...0.8 0.9 1.2 1.3 1.5 1.7 1.9 1.6 1.4
TRANSP WIND DIR.W W W W W W NW NW NW
TRANSP WIND SPD.18 18 21 21 20 20 21 21 20
GFDI............4 4 6 6 7 7 7 7 6
SMOKE DISPERSAL.12 15 21 24 25 30 35 29 24
SMOKE CAT.......PR PR PR PR PR PR PR PR PR
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT).
MIN TEMPERATURE.....AROUND 25.
MAX HUMIDITY........88 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 14 TO 22 MPH.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 17 TO 26 MPH SHIFTING TO THE NORTH 29
TO 31 MPH AFTER 3 AM.
SMOKE DISPERSAL.....EXCELLENT (73700 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (10200 KNOT-FT) LATE IN THE
NIGHT.
GFDI................5.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........65 47 43 56 65 67 66 65 66 66 66 66
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............47 46 43 42 41 41 40 38 36 34 31 29
RH..............68 71 79 82 82 82 82 82 85 85 88 88
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW N
20 FT WIND SPD..14 14 14 15 15 15 16 17 18 21 21 22
20 FT WIND GUST.24 23 24 23 23 23 24 25 28 31 31 31
MIX HGT (KFT)...1.0 1.1 0.9 0.7 1.3 2.0 2.6 2.6 2.7 2.7 2.7 2.7
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW N N
TRANSP WIND SPD.21 20 18 17 18 21 23 25 26 29 30 31
GFDI............5 4 4 4 4 4 4 4 5 6 5 5
SMOKE DISPERSAL.18 18 14 10 21 35 52 58 61 67 70 74
SMOKE CAT.......PR PR PR PR PR PR FR FR GD GD GD GD
FORECASTER...JIMENEZ
REQUESTED BY...LAEL NEAL
TYPE OF REQUEST...PRESCRIBED
.TAG 2528851.0/DMX
.DELDT 01/12/26
.FORMATTERVERSION 2.0.0
.EMAIL LAEL.NEAL@POLKCOUNTYIOWA.GOV
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