988
FNUS73 KDVN 211552
FWSDVN
SPOT FORECAST FOR LOST GROVE WMA...IOWA DNR
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL
1052 AM CDT TUE APR 21 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE QUAD CITIES AT (563) 386-3815.
DISCUSSION
WARM AND BREEZY CONDITIONS WILL BE SEEN TODAY, WITH TEMPERATURES
RISING INTO THE 70S AREA-WIDE AND AN OCCASIONAL WIND GUST OVER 25
MPH. A WEAK COLD FRONT WILL SWEEP THROUGH THE AREA THIS
AFTERNOON AND EVENING, BRINGING LOW CHANCES (10-30%) OF SHOWERS AND
A FEW STORMS, MAINLY ACROSS NORTHWEST AND NORTH CENTRAL IL. NO
SEVERE WEATHER IS ANTICIPATED. MINIMUM RH VALUES TODAY SHOULD
RANGE BETWEEN 35 TO 45%.
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 (35-45 PERCENT).
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...11 PERCENT.
BEGIN/END OF PCPN...
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........43 PERCENT.
MAX APPARENT TEMP...77.
EYE LEVEL WINDS.....SOUTHWEST WINDS 8 TO 11 MPH.
WIND SHIFT..........NONE
WIND (20 FT)........SOUTHWEST WINDS 13 TO 18 MPH.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 21 TO 24 MPH.
SMOKE DISPERSAL.....GOOD (55100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (97100 KNOT-FT) IN THE
AFTERNOON.
GFDI................4.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........58 61 54 28 30 27 23
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 10 10 0 0 0 0
CHC OF THDR (%).10 10 10 0 0 0 0
TEMP............68 69 71 74 76 77 77
RH..............52 51 51 46 45 43 43
APARNT TMP (F)..68 69 71 74 76 77 77
20 FT WIND DIR..SW SW SW SW W W W
20 FT WIND SPD..18 18 16 16 15 14 13
20 FT WIND GUST.26 26 23 23 22 21 18
EYE LVL WND DIR.SW SW SW SW W W W
EYE LVL WND SPD.11 11 10 10 9 8 8
EYE LVL WND GST.16 16 14 14 13 13 11
MIX HGT (KFT)...2.6 3.1 3.8 4.3 4.9 4.8 5.0
TRANSP WIND DIR.SW SW SW SW W W W
TRANSP WIND SPD.24 22 23 23 23 22 21
GFDI............4 3 4 4 4 3 3
SDSPL KT-FT/100055 58 75 85 97 91 90
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...12 PERCENT.
BEGIN/END OF PCPN...
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........90 PERCENT.
MAX APPARENT TEMP...77.
EYE LEVEL WINDS.....WEST WINDS UP TO 6 MPH SHIFTING TO THE
SOUTHWEST AROUND 4 MPH LATE IN THE EVENING.
WIND SHIFT..........
WIND (20 FT)........WEST WINDS AROUND 10 MPH SHIFTING TO THE
SOUTHWEST AROUND 7 MPH LATE IN THE EVENING.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 18 MPH SHIFTING TO THE SOUTHWEST 8 TO
15 MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT (63900 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2400 KNOT-FT) LATE IN THE
NIGHT.
GFDI................1.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........19 17 6 17 12 7
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).10 0 0 0 0 0
CHC OF THDR (%).10 0 0 0 0 0
TEMP............77 71 64 62 61 58
RH..............45 55 70 75 78 87
APARNT TMP (F)..77 71 64 62 61 58
20 FT WIND......W 10 W 7 SW 7 SW 7 SW 7 SW 7
20 FT WIND GUST.14 10 9 10 10 10
EYE LEVEL WIND..W 6 W 4 SW 4 SW 4 SW 4 SW 4
EYE LVL WND GST.8 6 5 6 6 6
MIX HGT (FT)....4000 500 300 300 400 400
TRANSPORT WIND..W 18 W 9 SW 9 SW 12 SW 13 W 13
GFDI............2 1 1 1 1 0
SDSPL KT-FT/100064 4 3 3 4 5
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...3 PERCENT.
BEGIN/END OF PCPN...
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........48 PERCENT.
MAX APPARENT TEMP...78.
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 4 MPH SHIFTING TO THE
SOUTH UP TO 5 MPH IN THE AFTERNOON.
WIND SHIFT..........
WIND (20 FT)........SOUTH WINDS 7 TO 9 MPH SHIFTING TO THE
SOUTHWEST AROUND 7 MPH LATE IN THE MORNING,
THEN SHIFTING TO THE SOUTH 7 TO 9 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......3600 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 13 MPH SHIFTING TO THE SOUTH 8 TO 13
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (39000 KNOT-FT) IN THE
AFTERNOON.
GFDI................1.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........19 15 34 35 25 8
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............57 59 66 72 76 77
RH..............86 83 73 61 54 50
APARNT TMP (F)..57 59 66 72 76 77
20 FT WIND......SW 7 SW 7 SW 7 S 7 S 8 S 9
20 FT WIND GUST.10 10 10 10 13 14
EYE LEVEL WIND..SW 4 SW 4 SW 4 S 4 S 5 S 5
EYE LVL WND GST.6 6 6 6 8 8
MIX HGT (FT)....400 900 1600 2600 3200 3600
TRANSPORT WIND..W 13 W 13 W 7 S 7 S 9 S 12
GFDI............0 0 1 1 1 2
SDSPL KT-FT/10004 10 10 15 26 36
FORECASTER...ERVIN
REQUESTED BY...KURTIS CORNILSEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2611181.0/DVN
.DELDT 04/21/26
.FORMATTERVERSION 2.0.0
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