322
FNUS73 KDVN 221450
FWSDVN
SPOT FORECAST FOR LOST GROVE LAKE PRESCRIBED FIRE...IOWA DNR
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL
950 AM CDT WED APR 22 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 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 (30-40 PERCENT).
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
BEGIN/END OF PCPN...
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........43 PERCENT.
MAX APPARENT TEMP...79.
EYE LEVEL WINDS.....WEST WINDS UP TO 5 MPH SHIFTING TO THE SOUTH 5
TO 6 MPH IN THE AFTERNOON.
WIND SHIFT..........GRADUAL THROUGH THE AFTERNOON.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 10 MPH.
MIXING HEIGHT.......4600 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 8 MPH SHIFTING TO THE SOUTHWEST 8 TO
12 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (14700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (44600 KNOT-FT) IN THE
AFTERNOON.
GFDI................2.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........46 52 44 34 28 27 22
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0
TEMP............71 74 76 77 78 79 79
RH..............59 51 48 45 43 44 44
APARNT TMP (F)..71 74 76 77 78 79 79
20 FT WIND DIR..W SW SW SW S S S
20 FT WIND SPD..8 7 8 8 9 10 10
20 FT WIND GUST.12 10 12 12 13 13 14
EYE LVL WND DIR.W SW SW SW S S S
EYE LVL WND SPD.5 4 5 5 5 6 6
EYE LVL WND GST.7 6 7 7 8 8 8
MIX HGT (KFT)...2.1 3.3 3.5 4.1 4.4 4.6 4.5
TRANSP WIND DIR.W W SW SW SW SW S
TRANSP WIND SPD.8 7 8 8 9 10 12
GFDI............1 1 1 1 2 2 2
SDSPL KT-FT/100015 20 25 29 35 41 45
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
BEGIN/END OF PCPN...
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........93 PERCENT.
MAX APPARENT TEMP...79.
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 6 MPH.
WIND SHIFT..........NONE.
WIND (20 FT)........SOUTH WINDS 9 TO 10 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 16 MPH.
SMOKE DISPERSAL.....GOOD (40100 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (4200 KNOT-FT) LATE IN THE
NIGHT.
GFDI................2.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........25 12 16 25 12 20
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............79 73 67 64 62 60
RH..............45 59 73 78 84 87
APARNT TMP (F)..79 73 67 64 62 60
20 FT WIND......S 9 S 9 S 9 S 9 S 9 S 10
20 FT WIND GUST.13 13 13 13 14 15
EYE LEVEL WIND..S 5 S 5 S 5 S 5 S 5 S 6
EYE LVL WND GST.8 8 8 8 8 9
MIX HGT (FT)....3600 600 500 500 400 400
TRANSPORT WIND..S 13 S 12 S 16 SW 14 S 12 S 13
GFDI............2 1 1 1 1 1
SDSPL KT-FT/100040 6 7 6 5 4
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...7 PERCENT.
BEGIN/END OF PCPN...
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........44 PERCENT.
MAX APPARENT TEMP...80.
EYE LEVEL WINDS.....SOUTH WINDS 6 TO 11 MPH INCREASING TO 12 TO 13
MPH LATE IN THE AFTERNOON.
WIND SHIFT..........NONE.
WIND (20 FT)........SOUTH WINDS 12 TO 21 MPH.
MIXING HEIGHT.......5600 FT AGL.
TRANSPORT WINDS.....SOUTH 13 TO 21 MPH INCREASING TO 24 TO 28 MPH
IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (4900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (103000 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (87400
KNOT-FT) IN THE AFTERNOON.
GFDI................4.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........17 14 31 40 44 45
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 10 10
CHC OF THDR (%).0 0 0 10 10 10
TEMP............58 62 70 76 79 80
RH..............93 75 63 52 47 44
APARNT TMP (F)..58 62 70 76 79 80
20 FT WIND......S 10 S 14 S 16 S 17 S 20 S 21
20 FT WIND GUST.16 20 23 26 29 30
EYE LEVEL WIND..S 6 S 8 S 10 S 10 S 12 S 13
EYE LVL WND GST.10 12 14 16 17 18
MIX HGT (FT)....400 1300 3000 4500 5400 5300
TRANSPORT WIND..S 13 S 21 S 25 S 26 S 26 S 26
GFDI............1 2 3 4 6 7
SDSPL KT-FT/10005 24 67 103 127 122
FORECASTER...ERVIN
REQUESTED BY...JARON SHOOK
TYPE OF REQUEST...PRESCRIBED
.TAG 2611328.0/DVN
.DELDT 04/22/26
.FORMATTERVERSION 2.0.0
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