265
FNUS73 KDVN 221333
FWSDVN
SPOT FORECAST FOR CONE MARSH...IOWA DNR
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL
833 AM CDT WED APR 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE QUAD CITIES AT (563) 386-3815.
DISCUSSION
WARM CONDITIONS WILL BE SEEN TODAY, WITH TEMPERATURES RISING
INTO THE UPPER 70S/LOW 80S AREA-WIDE. WEAK SOUTHWEST WINDS UNDER
10MPH ARE EXPECTED MUCH OF THE DAY, WITH NO PRECIPITATION.
AFTERNOON MINIMUM RH VALUES SHOULD RANGE BETWEEN 40 TO 50%.
THE GRASSLAND FIRE DANGER INDEX -GFDI- DOES NOT ACCOUNT FOR
PRECIPITATION THAT OCCURS OR ANY SNOW ON THE GROUND. PLEASE
MAKE APPROPRIATE ADJUSTMENTS.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........49 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 9 MPH SHIFTING TO THE SOUTH 9
TO 12 MPH IN THE AFTERNOON.
MIXING HEIGHT.......4400 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 18 MPH SHIFTING TO THE SOUTH 10 TO
15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (24700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (57300 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........49 50 49 37 25 20 13 15 22
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
TEMP............67 69 72 74 77 78 80 80 80
RH..............74 70 64 62 54 52 49 51 51
20 FT WIND DIR..W W SW SW SW S S S S
20 FT WIND SPD..6 7 8 9 9 10 10 12 12
20 FT WIND GUST.13 13 14 14 15 16 17 17 18
MIX HGT (KFT)...1.9 1.9 2.5 2.8 3.4 3.9 4.3 4.4 4.0
TRANSP WIND DIR.W W W SW SW SW S S S
TRANSP WIND SPD.18 15 12 10 10 12 13 15 15
SDSPL KT-FT/100030 25 25 25 31 39 47 57 52
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 10 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTH 13 TO 15 MPH.
SMOKE DISPERSAL.....GOOD (45400 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (5200 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........24 19 20 18 6 19
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............79 74 66 63 61 60
RH..............52 59 78 84 87 90
20 FT WIND......S 10 S 9 S 8 S 7 S 7 S 8
20 FT WIND GUST.17 16 16 14 15 16
MIX HGT (FT)....3800 700 500 500 500 500
TRANSPORT WIND..S 14 S 15 S 15 S 13 S 13 S 13
SDSPL KT-FT/100045 9 7 6 5 6
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........SOUTH WINDS 10 TO 18 MPH WITH GUSTS TO AROUND
29 MPH INCREASING TO AROUND 20 MPH LATE IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......5600 FT AGL.
TRANSPORT WINDS.....SOUTH 14 TO 23 MPH INCREASING TO 24 TO 30 MPH
IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (6300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (99800 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (92800
KNOT-FT) IN THE AFTERNOON.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........29 28 39 44 51 62
WEATHER COV..... S CHC S CHC
WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR
TSTM COV........ S CHC
CHC OF PCPN (%).0 0 0 0 20 20
TEMP............58 61 70 76 80 80
RH..............93 84 68 56 49 47
20 FT WIND......S 10 S 12 S 16 S 18 S 20 S 20
20 FT WIND GUST.17 21 25 28 30 30
MIX HGT (FT)....500 1300 2400 4300 5500 5200
TRANSPORT WIND..S 14 S 21 S 24 S 26 S 29 S 30
SDSPL KT-FT/10006 24 51 100 140 134
FORECASTER...ERVIN
REQUESTED BY...TRAVIS RUSSELL
TYPE OF REQUEST...PRESCRIBED
.TAG 2611310.0/DVN
.DELDT 04/22/26
.FORMATTERVERSION 2.0.0
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