827
FNUS73 KDMX 091231
FWSDMX
SPOT FORECAST FOR 235 UNIT...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
631 AM CST MON FEB 9 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 CST ON FEBRUARY 09.
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
MINOR FIRE WEATHER CONCERNS TODAY, WITH WARM, DRY AND BREEZY
CONDITIONS EXPECTED. WINDS WILL BEGIN LIGHT OUT OF THE SOUTHEAST
THIS MORNING, THEN BECOME BREEZY AND MORE SOUTH SOUTHWESTERLY
THROUGH THE DAY, WITH GUSTS OF 25 TO 30 MPH POSSIBLE BY THIS
AFTERNOON. RELATIVE HUMIDITY VALUES WILL DRY OUT TO AROUND 40
PERCENT THIS AFTERNOON. A STEEP INVERSION WILL BE IN PLACE THIS
MORNING, LIMITING SMOKE DISPERSAL, BUT SHOULD STEADILY IMPROVE AS
THE MIXED LAYER GROWS THROUGH THE DAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........SOUTH WINDS 8 TO 14 MPH. GUSTS UP TO 26 MPH
LATE IN THE MORNING.
MIXING HEIGHT.......1700 FT AGL.
TRANSPORT WINDS.....SOUTH 14 TO 23 MPH SHIFTING TO THE SOUTHWEST 18
TO 24 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (4100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (36400 KNOT-FT) IN THE
AFTERNOON.
GFDI................6.
TIME (CST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........45 50 39 38 32 30 22 29 26
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............37 42 48 53 58 63 65 65 63
RH..............75 67 56 50 45 41 40 40 44
20 FT WIND DIR..S S S S S S S S S
20 FT WIND SPD..8 9 10 13 13 14 14 12 10
20 FT WIND GUST.14 17 21 23 24 26 25 23 21
MIX HGT (KFT)...0.3 0.6 1.0 1.3 1.4 1.6 1.7 1.3 0.9
TRANSP WIND DIR.S S S S SW SW SW SW S
TRANSP WIND SPD.14 14 15 20 23 24 24 18 18
GFDI............1 2 4 6 7 10 10 8 6
SMOKE DISPERSAL.4 8 13 22 29 33 36 21 15
SMOKE CAT.......PR PR PR PR PR PR PR PR PR
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 34.
MAX HUMIDITY........85 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 9 TO 10 MPH WITH GUSTS TO
AROUND 21 MPH SHIFTING TO THE NORTHWEST
OVERNIGHT, THEN SHIFTING TO THE NORTH 14 TO 16
MPH OVERNIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 18 TO 22 MPH SHIFTING TO THE NORTH 20
TO 23 MPH OVERNIGHT.
SMOKE DISPERSAL.....FAIR (17500 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (7600 KNOT-FT) LATE IN THE
NIGHT.
GFDI................4.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........23 11 13 15 24 37 40 28 25 37 38 34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............60 58 54 53 52 51 49 46 44 43 39 37
RH..............49 53 59 64 66 66 68 73 79 76 82 85
20 FT WIND DIR..S S S SW SW SW W NW N N N N
20 FT WIND SPD..9 9 10 10 10 9 9 10 14 16 14 14
20 FT WIND GUST.21 20 20 20 18 21 20 20 23 25 24 25
MIX HGT (KFT)...0.6 0.7 0.7 0.7 0.6 0.5 0.4 0.6 0.7 0.8 0.9 1.0
TRANSP WIND DIR.S S S SW SW SW W NW N N N N
TRANSP WIND SPD.18 20 22 21 21 20 20 21 20 23 22 21
GFDI............5 4 4 4 3 3 3 3 4 4 3 3
SMOKE DISPERSAL.9 11 13 12 11 9 8 10 11 16 17 18
SMOKE CAT.......PR PR PR PR PR PR PR PR PR PR PR PR
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........NORTH WINDS 7 TO 14 MPH.
MIXING HEIGHT.......2700 FT AGL.
TRANSPORT WINDS.....NORTH 16 TO 23 MPH DECREASING TO AROUND 12 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (11000 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (47300 KNOT-FT) IN THE
AFTERNOON.
GFDI................4.
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........47 50 56 52 47 47 43 38 33 29 27 25
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............36 35 36 38 41 43 47 48 49 50 48 47
RH..............85 89 85 79 70 65 53 47 46 42 46 45
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..14 13 13 14 14 14 13 13 13 12 9 7
20 FT WIND GUST.23 22 23 23 23 23 22 22 21 20 17 15
MIX HGT (KFT)...1.1 1.1 1.2 1.5 1.7 2.0 2.3 2.6 2.6 2.7 1.9 1.1
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.21 20 20 23 23 23 21 21 21 20 16 12
GFDI............3 2 3 3 4 4 5 5 5 5 4 3
SMOKE DISPERSAL.19 19 21 30 35 40 41 46 47 46 26 11
SMOKE CAT.......PR PR PR PR PR FR FR FR FR FR PR PR
FORECASTER...DODSON
REQUESTED BY...DRAY WALTER
TYPE OF REQUEST...PRESCRIBED
.TAG 2602089.0/DMX
.DELDT 02/09/26
.FORMATTERVERSION 2.0.0
.EMAIL DRAY.WALTER@DNR.IOWA.GOV
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