677
FNUS73 KOAX 130946
FWSOAX
SPOT FORECAST FOR LHSF CABIN TIMBER RX FIRE...IOWA DNR
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
446 AM CDT FRI MAR 13 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 13.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
NORTHWEST WINDS OF 15 TO 20 MPH WITH GUSTS TO 25 TO 30 MPH AS OF
10 AM GRADUALLY DIMINISH THROUGH THE DAY WITH SUSTAINED SPEEDS OF
LESS THAN 10 MPH EXPECTED BY 5 PM. WINDS SWITCH TO EAST AT LESS
THAN 10 MPH BY 9 PM. PARTLY SUNNY SKIES THIS MORNING BECOMING
MOSTLY CLOUDY BY AFTERNOON WITH A HIGH TEMPERATURE OF AROUND 45.
10 AM RELATIVE HUMIDITY OF 55 TO 60 PERCENT IS FORECAST TO FALL TO
30 TO 35 PERCENT IN THE 3 TO 7 PM TIMEFRAME. MIXING HEIGHTS OF
AROUND 2,500 FT AT 10 AM PEAK AT 2,900 FT EARLY THIS AFTERNOON.
STRONGEST POSSIBLE WIND SPEEDS ON DAY OF BURN: SUSTAINED: 20 MPH,
GUST: 30 TO 35 MPH, BOTH OF WHICH WOULD BE AT BURN TIME.
LOWEST POSSIBLE RELATIVE HUMIDITY ON DAY OF BURN: 30 PERCENT.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT).
MAX TEMPERATURE.....AROUND 44.
MIN HUMIDITY........32 PERCENT.
EYE LEVEL WINDS.....NORTHWEST WINDS 6 TO 11 MPH. GUSTS UP TO 26 MPH
LATE IN THE MORNING.
SURFACE WINDS (MPH).NORTHWEST WINDS 10 TO 19 MPH. GUSTS UP TO 26
MPH LATE IN THE MORNING.
WIND (20 FT)........NORTHWEST WINDS 6 TO 14 MPH. GUSTS UP TO 26 MPH
LATE IN THE MORNING.
MIXING HEIGHT.......2800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 17 TO 26 MPH DECREASING TO 12 TO 13
MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (20100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (55000 KNOT-FT) IN THE
AFTERNOON.
GFDI................5.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........19 44 59 62 68 73 77 77
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............34 35 38 39 42 44 44 44
RH..............58 56 50 46 39 35 34 34
20 FT WIND DIR..NW NW NW NW NW NW NW NW
20 FT WIND SPD..15 13 12 12 11 10 9 8
20 FT WIND GUST.21 19 17 14 14 14 13 12
EYE LVL WND DIR.NW NW NW NW NW NW NW NW
EYE LVL WND SPD.11 10 9 9 8 8 7 6
EYE LVL WND GST.16 14 13 11 11 10 10 9
SURFACE WND DIR.NW NW NW NW NW NW NW NW
SURFACE WND SPD.19 16 15 15 14 13 11 10
SURFACE WND GST.26 24 21 18 18 17 16 15
MIX HGT (KFT)...2.4 2.4 2.4 2.5 2.6 2.8 2.6 2.4
TRANSP WIND DIR.NW NW NW NW NW NW NW NW
TRANSP WIND SPD.26 23 21 21 20 17 13 12
GFDI............6 5 6 5 5 5 4 3
SDSPL KT-FT/100055 55 51 46 41 35 29 20
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF
SNOW LATE IN THE EVENING. CHANCE OF SNOW LATE
IN THE EVENING, THEN SLIGHT CHANCE OF SNOW
AFTER 3 AM.
MIN TEMPERATURE.....AROUND 29.
MAX HUMIDITY........75 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS AROUND 4 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING EAST UP TO 6 MPH
IN THE LATE EVENING AND OVERNIGHT.
SURFACE WINDS (MPH).NORTH WINDS AROUND 8 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING EAST 6 TO 10 MPH
IN THE LATE EVENING AND OVERNIGHT.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING EAST 5 TO 9 MPH
IN THE LATE EVENING AND OVERNIGHT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 9 MPH SHIFTING TO THE EAST 7 TO 16
MPH EARLY IN THE EVENING, THEN INCREASING TO 18
TO 21 MPH OVERNIGHT.
SMOKE DISPERSAL.....POOR (800 KNOT-FT).
GFDI................3.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........86 69 60 61 61 75 78 77 71 47 39 50
WEATHER COV..... SCH SCH CHC CHC CHC CHC CHC SCH
WEATHER TYPE.... SN SN SN SN SN SN SN SN
TSTM COV........
TEMP............44 42 41 37 36 36 35 35 34 33 32 31
RH..............32 34 38 46 50 52 54 56 61 63 66 72
20 FT WIND DIR..N N NE E E E E E E E E E
20 FT WIND SPD..6 4 4 5 5 5 6 7 7 7 8 8
20 FT WIND GUST.10 6 6 7 8 10 10 11 13 14 14 14
EYE LVL WND DIR.N N NE E E E E E E E E E
EYE LVL WND SPD.4 3 3 4 4 4 4 5 5 5 6 6
EYE LVL WND GST.8 5 5 5 6 7 8 8 10 10 10 10
SURFACE WND DIR.N N NE E E E E E E E E E
SURFACE WND SPD.8 5 5 6 6 6 8 9 9 9 10 10
SURFACE WND GST.13 8 8 9 10 12 13 14 16 17 17 17
MIX HGT (KFT)...1.8 1.0 0.3 0.3 0.2 0.3 0.4 0.5 0.5 0.6 0.6 0.6
TRANSP WIND DIR.N N NE E E E E E E E E E
TRANSP WIND SPD.9 6 7 8 10 14 16 20 18 20 21 21
GFDI............3 2 2 2 2 2 2 2 3 3 3 2
SDSPL KT-FT/100012 5 2 1 2 4 6 9 10 10 10 10
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT) THEN BECOMING
MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT).
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........42 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 6 TO 8 MPH. GUSTS UP TO 23 MPH.
SURFACE WINDS (MPH).EAST WINDS 10 TO 14 MPH. GUSTS UP TO 23 MPH.
WIND (20 FT)........EAST WINDS 9 TO 12 MPH. GUSTS UP TO 23 MPH.
MIXING HEIGHT.......3300 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 13 TO 22 MPH.
SMOKE DISPERSAL.....POOR (10600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (39100 KNOT-FT) IN THE
AFTERNOON.
GFDI................5.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........58 20 42 54 66 65 65 64 70 75 81 82
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............30 30 31 33 35 39 43 47 50 52 53 53
RH..............75 75 72 69 66 59 51 45 42 43 43 45
20 FT WIND DIR..E E E E E E SE SE SE E E E
20 FT WIND SPD..8 9 10 11 11 11 11 11 11 11 11 11
20 FT WIND GUST.14 16 16 17 18 18 18 18 18 18 18 18
EYE LVL WND DIR.E E E E E E SE SE SE E E E
EYE LVL WND SPD.6 7 8 8 8 8 8 8 8 8 8 8
EYE LVL WND GST.10 12 12 13 13 14 14 14 14 14 14 13
SURFACE WND DIR.E E E E E E SE SE SE E E E
SURFACE WND SPD.10 11 13 14 14 14 14 14 14 14 14 14
SURFACE WND GST.17 20 20 21 22 23 23 23 23 23 23 22
MIX HGT (KFT)...0.6 0.7 0.9 1.1 1.4 1.8 2.2 2.7 3.0 3.3 3.3 2.8
TRANSP WIND DIR.E E E SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.22 22 21 21 22 20 16 14 13 13 14 14
GFDI............2 3 3 4 4 5 6 7 8 8 8 8
SDSPL KT-FT/100011 13 17 22 26 29 30 32 35 39 39 34
FORECASTER...MEAD
REQUESTED BY...JEFF SEAGO
TYPE OF REQUEST...PRESCRIBED
.TAG 2605527.0/OAX
.DELDT 03/13/26
.FORMATTERVERSION 2.0.0
.EMAIL JEFFREY.SEAGO@DNR.IOWA.GOV
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