675
FNUS73 KDVN 231237
FWSDVN
SPOT FORECAST FOR DEVOSS/FOSTER...IOWA DEPT. OF NATURAL RESOURCES - SUGEMA
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL
737 AM CDT THU APR 23 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON APRIL 23.
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 AFTERNOON
TEMPERATURES RISING INTO THE UPPER 70S/LOW 80S. STRONG SOUTHERLY
WINDS GUSTING BETWEEN 35-40 MPH WILL BE POSSIBLE THIS AFTERNOON.
IN ADDITION, SHOWERS AND THUNDERSTORMS AHEAD OF A COLD FRONT ARE
EXPECTED LATE AFTERNOON THROUGH EARLY FRIDAY MORNING. A FEW OF
THESE STORMS COULD BECOME SEVERE, WITH DAMAGING WEST WIND THE
PRIMARY THREAT.
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) THEN BECOMING
MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PCPN......40 PERCENT.
CHANCE OF THUNDER...38 PERCENT.
BEGIN/END OF PCPN...
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........59 PERCENT.
MAX APPARENT TEMP...78.
EYE LEVEL WINDS.....SOUTH WINDS 7 TO 11 MPH WITH GUSTS TO AROUND 19
MPH.
WIND SHIFT..........NONE.
WIND (20 FT)........SOUTH WINDS 12 TO 18 MPH WITH GUSTS TO AROUND
31 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......4100 FT AGL.
TRANSPORT WINDS.....SOUTH 21 TO 29 MPH.
SMOKE DISPERSAL.....FAIR (20300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (103000 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........32 42 32 46 75 90 93 90 87 81
WEATHER COV..... CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........ CHC CHC CHC CHC CHC
CHC OF PCPN (%).0 0 0 10 10 30 30 30 40 40
CHC OF THDR (%).0 0 10 10 30 30 30 30 40 40
TEMP............64 67 70 73 75 77 77 77 78 77
RH..............79 76 75 70 66 62 63 61 59 60
APARNT TMP (F)..64 67 70 73 75 77 77 77 78 77
20 FT WIND DIR..S S S S S S S S S S
20 FT WIND SPD..12 14 17 17 17 18 18 17 17 17
20 FT WIND GUST.23 25 28 29 30 30 31 31 30 29
EYE LVL WND DIR.S S S S S S S S S S
EYE LVL WND SPD.7 8 10 10 10 11 11 10 10 10
EYE LVL WND GST.14 15 17 17 18 18 19 19 18 17
MIX HGT (KFT)...1.1 1.4 2.1 3.1 3.7 4.1 4.0 3.7 2.2 1.7
TRANSP WIND DIR.S S S S S S S S S S
TRANSP WIND SPD.21 23 24 28 29 29 28 28 24 22
GFDI............0 0 0 0 0 0 0 0 0 0
SDSPL KT-FT/100021 30 46 76 94 103 97 91 49 36
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS WITH
THUNDERSTORMS LIKELY.
CHANCE OF PCPN......90 PERCENT.
CHANCE OF THUNDER...70 PERCENT.
BEGIN/END OF PCPN...
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........96 PERCENT.
MAX APPARENT TEMP...76.
EYE LEVEL WINDS.....SOUTH WINDS 6 TO 10 MPH WITH GUSTS TO AROUND 17
MPH SHIFTING TO THE WEST AROUND 5 MPH AFTER 3
AM.
WIND SHIFT..........ANY THUNDERSTORMS WILL LIKELY BRING AN UPBRUPT
SHIFT TO THE WEST AND BE VERY GUSTY.
WIND (20 FT)........SOUTH WINDS AROUND 17 MPH WITH GUSTS TO AROUND
29 MPH SHIFTING TO THE WEST 8 TO 9 MPH AFTER 3
AM. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS EARLY IN THE EVENING. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE
IN THE EVENING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS OVERNIGHT, THEN
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS AFTER 3 AM.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....SOUTH 17 TO 24 MPH SHIFTING TO THE WEST 12 TO
15 MPH AFTER 3 AM.
SMOKE DISPERSAL.....GOOD (40800 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (5800 KNOT-FT) LATE IN THE
NIGHT.
GFDI................0.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........81 83 92 97 90 72
WEATHER COV.....CHANCE CHANCE LIKELY DEFNTE LIKELY S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........CHANCE CHANCE LIKELY LIKELY CHANCE
CHC OF PCPN (%).40 50 60 80 70 20
CHC OF THDR (%).40 50 70 60 30 0
TEMP............76 72 69 67 63 61
RH..............62 75 78 81 84 87
APARNT TMP (F)..76 72 69 67 63 61
20 FT WIND......S 17 S 15 S 14 SW 12 SW 10 W 8
20 FT WIND GUST.29 26 25 22 18 15
EYE LEVEL WIND..S 10 S 9 S 8 SW 7 SW 6 W 5
EYE LVL WND GST.17 16 15 13 11 9
MIX HGT (FT)....1900 800 800 700 700 600
TRANSPORT WIND..S 24 S 18 S 20 SW 20 SW 20 W 12
GFDI............0 0 0 0 0 0
SDSPL KT-FT/100041 15 14 13 13 7
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) THEN BECOMING
SUNNY (10-20 PERCENT). CHANCE OF RAIN SHOWERS
IN THE MORNING.
CHANCE OF PCPN......30 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
BEGIN/END OF PCPN...
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........54 PERCENT.
MAX APPARENT TEMP...68.
EYE LEVEL WINDS.....NORTHWEST WINDS 5 TO 6 MPH.
WIND SHIFT..........NONE.
WIND (20 FT)........NORTHWEST WINDS 8 TO 10 MPH.
MIXING HEIGHT.......3300 FT AGL.
TRANSPORT WINDS.....NORTH 14 TO 20 MPH.
SMOKE DISPERSAL.....POOR (9900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (47500 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........66 80 57 36 20 8
WEATHER COV..... CHANCE CHANCE CHANCE
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR NONE NONE
TSTM COV........
CHC OF PCPN (%).10 30 30 30 10 10
CHC OF THDR (%).10 10 10 10 10 10
TEMP............59 57 60 64 67 68
RH..............87 90 78 69 61 56
APARNT TMP (F)..59 57 60 64 67 68
20 FT WIND......NW 9 NW 8 NW 9 NW 10 NW 10 NW 10
20 FT WIND GUST.15 17 18 20 20 20
EYE LEVEL WIND..NW 5 NW 5 NW 5 NW 6 NW 6 NW 6
EYE LVL WND GST.9 10 11 12 12 12
MIX HGT (FT)....800 1300 2100 2600 3100 3300
TRANSPORT WIND..N 15 N 18 N 18 N 18 N 17 N 16
GFDI............0 0 0 0 0 0
SDSPL KT-FT/100011 21 34 42 47 47
FORECASTER...ERVIN
REQUESTED BY...KYLE SYFERT
TYPE OF REQUEST...PRESCRIBED
.TAG 2611468.0/DVN
.DELDT 04/23/26
.FORMATTERVERSION 2.0.0
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