942
FNUS73 KDMX 091437
FWSDMX
SPOT FORECAST FOR BRUSH PILE BURN...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
837 AM CST FRI JAN 9 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 CST ON JANUARY 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
CLEARING SKIES WITH TEMPERATURES WARMING INTO THE LOW 40S BY THIS
AFTERNOON. WIND WILL BE OUT OF THE NORTHWEST AT 10-15 MPH THIS
MORNING, DECREASING TO UNDER 10 MPH BY THIS AFTERNOON. WITH RECENT
RAIN, CONDITIONS REMAIN MOIST TODAY WITH RELATIVE HUMIDITY THIS
AFTERNOON FALLING TO AROUND 60%. CLOUD COVER WILL BEGIN TO
INCREASE AGAIN LATER THIS AFTERNOON.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 42.
MIN HUMIDITY........67 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 12 MPH.
MIXING HEIGHT.......1700 FT AGL.
TRANSPORT WINDS.....NORTH 9 TO 18 MPH DECREASING TO 6 TO 7 MPH LATE
IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (4200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (19700 KNOT-FT) IN THE
AFTERNOON.
GFDI................2.
TIME (CST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........19 20 23 22 21 30 30 41 51
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............35 36 38 39 40 40 41 39 37
RH..............84 80 76 73 70 70 67 73 79
20 FT WIND DIR..NW NW N N N N NW NW NW
20 FT WIND SPD..12 10 10 9 8 7 6 6 5
20 FT WIND GUST.18 18 16 15 14 13 12 10 8
MIX HGT (KFT)...1.2 1.3 1.3 1.4 1.7 1.7 1.7 1.4 0.8
TRANSP WIND DIR.N N N N N N N N N
TRANSP WIND SPD.18 17 15 13 10 9 7 6 6
GFDI............2 2 2 2 2 2 1 1 1
SMOKE DISPERSAL.20 19 17 16 15 14 10 7 4
SMOKE CAT.......PR PR PR PR PR PR PR PR PR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
MIN TEMPERATURE.....AROUND 27.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH OVERNIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 12 MPH.
SMOKE DISPERSAL.....POOR (2100 KNOT-FT).
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........61 67 79 89 89 90 92 90 87 77 68 59
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............36 34 33 33 32 32 31 30 30 30 30 30
RH..............75 82 85 82 89 89 88 92 92 92 88 88
20 FT WIND DIR..NW N NW NW NW NW W NW W W W W
20 FT WIND SPD..3 3 3 3 3 3 3 3 5 5 6 6
20 FT WIND GUST.8 8 8 9 9 8 8 8 9 10 12 13
MIX HGT (KFT)...0.4 0.4 0.5 0.5 0.5 0.5 0.8 0.9 0.8 0.8 0.6 0.8
TRANSP WIND DIR.N N N N N NW NW W NW W W NW
TRANSP WIND SPD.6 7 6 7 7 7 7 8 10 12 10 12
SMOKE DISPERSAL.2 3 2 3 3 3 5 6 7 8 5 8
SMOKE CAT.......PR PR PR PR PR PR PR PR PR PR PR PR
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF
SNOW IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 34.
MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 7 TO 16 MPH INCREASING TO 16 TO
18 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......5200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 24 MPH INCREASING TO 23 TO 31
MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (12300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (94100 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (67500
KNOT-FT) IN THE AFTERNOON.
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........38 27 27 25 30 36 40 48 50 53 47 41
WEATHER COV..... SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... SN SN SN SN SN SN
TSTM COV........
TEMP............29 29 28 30 32 33 33 33 33 32 31 29
RH..............88 88 88 81 75 69 66 63 61 61 61 60
20 FT WIND DIR..W NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..7 8 9 10 13 14 16 17 18 18 17 16
20 FT WIND GUST.14 15 18 20 21 23 24 28 29 30 28 26
MIX HGT (KFT)...0.9 1.2 1.3 1.8 2.8 3.6 4.5 5.2 5.1 4.9 4.1 3.4
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.15 20 20 24 28 30 31 31 31 31 28 23
SMOKE DISPERSAL.12 21 21 38 66 94 121 141 138 133 99 68
SMOKE CAT.......PR PR PR PR GD GD VGD VGD VGD VGD GD GD
FORECASTER...HAGENHOFF
REQUESTED BY...BRIAN ANDERA
TYPE OF REQUEST...PRESCRIBED
.TAG 2528679.0/DMX
.DELDT 01/09/26
.FORMATTERVERSION 2.0.0
.EMAIL BRIAN.ANDERA@DNR.IOWA.GOV
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