322
FNUS73 KDVN 281309
FWSDVN
SPOT FORECAST FOR OFFICE PRAIRIE...USWFS
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL
809 AM CDT TUE APR 28 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON APRIL 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE QUAD CITIES AT (563) 386-3815.
DISCUSSION
POST-FRONTAL AIRMASS IS IN PLACE, WITH COOLER AND DRIER AIR
WORKING INTO THE AREA THROUGH MIDWEEK. WINDS WILL REMAIN GUSTY AND
OUT OF THE NORTHWEST TODAY, DECREASING BY SUNSET. WITH MUCH OF
THE AREA GREENED UP AND SOILS MOIST FROM RECENT RAINFALL, THERE
ARE NO SIGNIFICANT FIRE WEATHER CONCERNS THROUGH MIDWEEK.
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 CLOUDY (65-75 PERCENT) THEN BECOMING
PARTLY SUNNY (45-55 PERCENT).
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
BEGIN/END OF PCPN...
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........46 PERCENT.
MAX APPARENT TEMP...63.
EYE LEVEL WINDS.....NORTHWEST WINDS UP TO 14 MPH.
WIND SHIFT..........
WIND (20 FT)........NORTHWEST WINDS 10 TO 15 MPH.
MIXING HEIGHT.......4300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 13 TO 22 MPH DECREASING TO 8 TO 12
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (30100 KNOT-FT).
GFDI................1.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........87 82 72 62 52 56 68 48 49 47
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 10 10
TEMP............48 49 53 55 57 59 61 61 62 63
RH..............77 77 66 64 59 55 51 51 48 46
APARNT TMP (F)..43 45 53 55 57 59 61 61 62 63
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..13 13 13 13 12 12 11 10 10 9
20 FT WIND GUST.19 18 17 15 14 14 14 14 13 13
EYE LVL WND DIR.NW NW NW NW NW NW NW NW NW NW
EYE LVL WND SPD.12 12 11 10 9 9 8 8 7 6
EYE LVL WND GST.15 14 14 13 13 13 13 12 11 10
MIX HGT (KFT)...2.7 2.8 2.9 3.4 3.6 3.9 4.3 4.3 4.2 4.1
TRANSP WIND DIR.NW N NW NW NW NW NW NW N N
TRANSP WIND SPD.22 18 14 13 12 10 9 8 9 12
GFDI............1 1 1 1 1 1 1 1 1 1
SDSPL KT-FT/100051 45 34 38 37 35 34 30 34 41
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT).
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...7 PERCENT.
BEGIN/END OF PCPN...
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........76 PERCENT.
MAX APPARENT TEMP...61.
EYE LEVEL WINDS.....NORTH WINDS AROUND 4 MPH.
WIND SHIFT..........
WIND (20 FT)........NORTH WINDS 6 TO 7 MPH.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....NORTH 8 TO 15 MPH INCREASING TO 15 TO 20 MPH
OVERNIGHT.
SMOKE DISPERSAL.....FAIR (29100 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (4200 KNOT-FT) LATE IN THE
NIGHT.
GFDI................1.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........60 69 64 70 63 66
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).10 10 10 10 10 0
CHC OF THDR (%).10 10 10 10 0 0
TEMP............61 58 54 51 49 47
RH..............48 55 61 66 68 71
APARNT TMP (F)..61 58 54 51 46 44
20 FT WIND......N 6 N 6 N 6 N 6 N 7 N 7
20 FT WIND GUST.12 10 12 13 14 15
EYE LEVEL WIND..N 4 N 4 N 4 N 4 N 4 N 4
EYE LVL WND GST.7 6 7 8 8 9
MIX HGT (FT)....3200 600 700 1100 1000 900
TRANSPORT WIND..N 10 N 8 N 14 N 18 N 16 N 16
GFDI............1 1 1 1 1 1
SDSPL KT-FT/100029 4 9 17 14 13
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
BEGIN/END OF PCPN...
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........34 PERCENT.
MAX APPARENT TEMP...62.
EYE LEVEL WINDS.....NORTHWEST WINDS UP TO 8 MPH.
WIND SHIFT..........
WIND (20 FT)........NORTHWEST WINDS 7 TO 13 MPH.
MIXING HEIGHT.......7600 FT AGL.
TRANSPORT WINDS.....NORTH 14 TO 23 MPH SHIFTING TO THE NORTHWEST 18
TO 24 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (14400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (100200 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (87600
KNOT-FT) IN THE AFTERNOON.
GFDI................2.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........55 12 8 12 13 12
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0
TEMP............46 47 53 57 60 62
RH..............71 71 54 45 37 34
APARNT TMP (F)..42 43 53 57 60 62
20 FT WIND......N 7 N 8 NW 10 NW 13 NW 13 NW 13
20 FT WIND GUST.14 16 18 21 21 21
EYE LEVEL WIND..N 4 N 5 NW 6 NW 8 NW 8 NW 8
EYE LVL WND GST.8 10 11 13 13 13
MIX HGT (FT)....1200 1700 4800 6200 7100 7600
TRANSPORT WIND..N 14 N 16 N 20 N 23 NW 24 NW 22
GFDI............1 1 1 2 3 3
SDSPL KT-FT/100014 24 81 122 151 145
FORECASTER...UTTECH
REQUESTED BY...MATT OKRASINSKI
TYPE OF REQUEST...PRESCRIBED
.TAG 2611914.0/DVN
.DELDT 04/28/26
.FORMATTERVERSION 2.0.0
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