562
FNUS73 KOAX 221404
FWSOAX
SPOT FORECAST FOR NODDLEMAN ISLAND WMA...IOWA DEPARTMENT OF NATURAL RESOURCES
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
904 AM CDT WED APR 22 2026
FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SOUTHERLY WINDS START OUT THE MORNING WITH A FEW SHOWERS ACROSS
NORTHWEST IOWA THAT ARE EXPECTED TO STAY WELL NORTH OF THE BURN
LOCATION. THE MAIN CONCERN FOR THE SHORT-TERM FORECAST WILL BE THOSE
SOUTHERLY WINDS, WHICH ARE EXPECTED TO PICK UP THIS LATE THIS
MORNING INTO THE AFTERNOON. A SPORADIC GUSTS ARE POSSIBLE DURING
THE MORNING HOURS, THAT WOULD REACH 25 MPH, BECOMING LESS
INTERMITTENT AS MIXING INCREASES FOR THE DAY. LINGERING CLOUDS
FROM THE MORNING HOURS WILL ALSO PLAY A BIG ROLE IN HOW QUICKLY WE
WARM UP AND DRY OUT THIS MORNING, BUT THEY SHOULD DIMINISH OVER
THE NEXT HOUR OR TWO.
BY NOON, WARM TEMPERATURES WILL ALREADY BE IN PLACE AND WILL HELP
DRIVE LOWER RELATIVE HUMIDITY VALUES THROUGH THE AFTERNOON. TEMPS
WILL BE NEAR 74 DEGREES, MIXING HEIGHTS WILL BE REACHING 2500
AGL, AS GUSTS REACH 20-25 MPH WITH LESS TIME BETWEEN THEM COMPARED
TO THE MORNING HOURS. CONDITIONS REACH THEIR DRIEST AND WINDIEST
NEAR 4 PM, WITH GUSTS RANGING FROM 25-35 MPH OUT OF THE
SOUTH/SOUTH-SOUTHWEST AND HUMIDITY VALUES BOTTOMING OUT AT AROUND
35%. WHILE TEMPERATURES MAY FALL THIS EVENING, WIND SPEEDS SHOULD
STAY STEADY OR EVEN INCREASE SLIGHTLY THIS EVENING INTO THE
OVERNIGHT HOURS. SHORT-TERM MODELS INDICATE THAT GUSTS OVERNIGHT
COULD INCREASE TO 30-40 MPH, BUT WILL ONCE AGAIN BE MORE SPORADIC
THAN THE AFTERNOON GUSTS. GUST SPEEDS WILL DECREASE OVER THE
COURSE OF TOMORROW MORNING, WITH A LINE STORMS ANTICIPATED TO MOVE
THROUGH THE AREA 4-7 PM TOMORROW EVENING.
STRONGEST POSSIBLE 30 FT WIND SPEEDS ON DAY OF BURN: 35 MPH
LOWEST POSSIBLE RELATIVE HUMIDITY ON DAY OF BURN: 35%
REST OF TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........42 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 11 TO 13 MPH WITH GUSTS TO AROUND
18 MPH.
WIND (30 FT)........SOUTH WINDS 18 TO 21 MPH WITH GUSTS TO AROUND
30 MPH.
WIND (20 FT)........SOUTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND
24 MPH.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....SOUTH 21 TO 26 MPH.
SMOKE DISPERSAL.....GOOD (41600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (88700 KNOT-FT) IN THE
AFTERNOON.
GFDI................6.
TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........24 11 3 1 1 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............71 74 78 79 80 81
RH..............63 57 49 46 44 42
20 FT WIND DIR..S S S S S S
20 FT WIND SPD..14 14 15 16 17 17
20 FT WIND GUST.19 19 20 22 23 24
EYE LVL WND DIR.S S S S S S
EYE LVL WND SPD.11 11 11 12 13 13
EYE LVL WND GST.14 14 15 17 17 18
30 FT WND DIR...S S S S S S
30 FT WND SPD...18 18 19 20 21 21
30 FT WND GST...24 24 25 28 29 30
MIX HGT (KFT)...2.5 2.7 3.1 3.3 3.9 4.0
TRANSP WIND DIR.S S S S S S
TRANSP WIND SPD.21 21 23 24 26 26
GFDI............3 4 5 6 7 8
SDSPL KT-FT/100042 48 64 81 89 78
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT).
MIN TEMPERATURE.....AROUND 62.
MAX HUMIDITY........97 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 12 TO 13 MPH WITH GUSTS TO AROUND
19 MPH.
WIND (30 FT)........SOUTH WINDS 20 TO 21 MPH WITH GUSTS TO AROUND
31 MPH.
WIND (20 FT)........SOUTH WINDS 17 TO 20 MPH WITH GUSTS TO AROUND
25 MPH.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WINDS.....SOUTH 24 TO 29 MPH.
SMOKE DISPERSAL.....GOOD (30900 KNOT-FT).
GFDI................6.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........1 2 4 14 30 54 63 77 78 79 79 88
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............80 79 75 71 68 67 65 65 64 64 63 64
RH..............43 45 53 61 68 70 75 78 84 84 87 87
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..17 17 17 16 16 16 16 16 16 17 17 16
20 FT WIND GUST.24 24 24 25 25 25 25 23 25 25 24 24
EYE LVL WND DIR.S S S S S S S S S S S S
EYE LVL WND SPD.13 13 13 12 12 12 12 12 12 13 13 12
EYE LVL WND GST.18 18 18 19 19 19 19 17 19 19 18 18
30 FT WND DIR...S S S S S S S S S S S S
30 FT WND SPD...21 21 21 20 20 20 20 20 20 21 21 20
30 FT WND GST...30 30 30 31 31 31 31 29 31 31 30 30
MIX HGT (KFT)...4.0 1.8 0.7 0.9 1.5 1.4 1.5 1.3 1.2 1.3 1.5 1.6
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.28 26 24 25 28 28 29 28 28 28 26 28
GFDI............8 7 6 5 4 4 4 3 3 3 3 3
SDSPL KT-FT/100060 42 37 35 35 33 32 31 32 34 36 35
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN SHOWERS WITH THUNDERSTORMS LIKELY IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........71 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 9 TO 13 MPH WITH GUSTS TO AROUND 18
MPH.
WIND (30 FT)........SOUTH WINDS 15 TO 21 MPH WITH GUSTS TO AROUND
30 MPH.
WIND (20 FT)........SOUTH WINDS 13 TO 18 MPH WITH GUSTS TO AROUND
24 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS EARLY IN THE MORNING. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
THE MORNING, THEN GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....SOUTH 20 TO 26 MPH.
SMOKE DISPERSAL.....GOOD (32000 KNOT-FT).
GFDI................3.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........92 96 98 97 96 92 86 81 77 73 67 61
WEATHER COV.....CHC LKY CHC CHC CHC CHC CHC DEF DEF DEF DEF DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC SCH SCH SCH SCH SCH SCH CHC CHC CHC LKY LKY
TEMP............63 64 62 64 65 66 70 71 72 73 72 72
RH..............90 90 97 90 90 90 78 76 76 73 73 71
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..15 15 15 16 16 17 17 17 16 15 14 12
20 FT WIND GUST.23 22 23 23 24 24 24 23 22 21 20 18
EYE LVL WND DIR.S S S S S S S S S S S S
EYE LVL WND SPD.11 11 11 12 12 13 13 13 12 11 11 9
EYE LVL WND GST.17 17 17 17 18 18 18 17 17 16 15 14
30 FT WND DIR...S S S S S S S S S S S S
30 FT WND SPD...19 19 19 20 20 21 21 21 20 19 18 15
30 FT WND GST...29 28 29 29 30 30 30 29 28 26 25 23
MIX HGT (KFT)...1.5 1.5 1.5 1.4 1.7 2.1 2.1 2.3 2.4 2.5 2.5 2.1
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.26 24 25 25 25 25 25 25 26 25 22 20
GFDI............3 3 2 3 3 3 4 4 4 3 3 3
SDSPL KT-FT/100033 32 33 35 38 42 47 50 52 52 47 37
FORECASTER...PETERSEN
REQUESTED BY...MATT DOLLISON
TYPE OF REQUEST...PRESCRIBED
.TAG 2611312.0/OAX
.DELDT 04/22/26
.FORMATTERVERSION 2.0.0
.EMAIL MATT.DOLLISON@DNR.IOWA.GOV
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