517
FNUS73 KARX 291636
FWSARX
SPOT FORECAST FOR VOLGA RIVER WMA- MAIN PRAIRIE...IOWA DNR
NATIONAL WEATHER SERVICE LA CROSSE WI
1136 AM CDT WED APR 29 2026
FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (608) 784-8292 IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
DRY CONDITIONS FOR TODAY WITH A LOW CHANCE (AROUND 10 TO 15%) FOR
SOME RAIN SHOWERS THIS EVENING. THERE IS ALSO A LOW CHANCE (10 TO
15%)FOR RAIN SHOWERS THURSDAY AFTERNOON. A WETTING RAIN IS NOT IN
THE FORECAST FOR THESE POTENTIAL RAIN SHOWERS. NORTHWEST WINDS
MOSTLY STAY SUSTAINED AROUND 15 TO 20 MPH WITH GUSTS OF 25 TO 30
MPH THROUGH THE AFTERNOON. WINDS DIMINISH DURING THE EVENING AND
OVERNIGHT AND INCREASE AGAIN FOR THURSDAY AFTERNOON WITH SUSTAINED
VALUES OF 10 TO 15 MPH. MINIMUM RELATIVE HUMIDITY VALUES FOR
TODAY ARE IN THE 30 TO 35% RANGE. IF BETTER MIXING OCCURS THIS
AFTERNOON, RELATIVE HUMIDITY VALUES COULD DIP CLOSER TO 20 TO 25%
RANGE.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........53 AT IGNITION...MAX 56.
RH..................43 PERCENT AT IGNITION...MIN 33 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 15 MPH AT
IGNITION...OTHERWISE NORTHWEST WINDS 13 TO 15
MPH WITH GUSTS TO AROUND 23 MPH.
MIXING HEIGHT.......6900 FT AGL AT IGNITION...OTHERWISE 8800 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 25 TO 26 MPH.
SMOKE DISPERSAL.....EXCELLENT /151200 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /192700 KNOT-FT/.
TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........36 33 33 32 42 43
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0
TEMP............53 54 56 56 56 56
RH..............43 40 35 34 34 33
20 FT WIND DIR..NW NW NW NW NW NW
20 FT WIND SPD..15 15 15 15 13 13
20 FT WIND GUST.23 23 23 23 23 23
MIX HGT (KFT)...6.9 7.3 8.1 8.5 8.7 8.8
TRANSP WIND DIR.NW NW NW NW NW NW
TRANSP WIND SPD.25 26 25 25 25 25
SDSPL KT-FT/1000151 169 178 187 191 193
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). CHANCE OF
SPRINKLES LATE IN THE EVENING.
CWR.................10 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
TEMPERATURE.........MIN 38.
RH..................MAX 82 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 11 MPH WITH GUSTS TO
AROUND 21 MPH BECOMING LIGHT.
MIXING HEIGHT.......7800 FT AGL DECREASING TO 500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 17 TO 23 MPH DECREASING TO 5 TO 10
MPH EARLY IN THE EVENING.
SMOKE DISPERSAL.....EXCELLENT (155300 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2300 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........43 23 16 34 40 31 34 40 38 43 45 50
WEATHER COV..... CHC
WEATHER TYPE.... RW
TSTM COV........
CWR.............0 0 10 10 10 10 0 0 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............55 54 50 47 46 44 43 42 41 40 40 39
RH..............32 35 44 51 58 65 67 73 73 82 79 82
20 FT WIND DIR..NW NW NW NW NW NW NW W W NW NW NW
20 FT WIND SPD..11 9 5 4 2 2 2 2 2 2 2 2
20 FT WIND GUST.21 15 12 8 5 5 5 5 5 5 5 6
MIX HGT (KFT)...7.8 4.1 1.0 0.9 0.6 0.6 0.6 0.5 0.6 0.6 0.6 0.5
TRANSP WIND DIR.NW NW N N NW NW NW NW NW NW NW NW
TRANSP WIND SPD.23 17 10 8 8 7 7 6 6 6 5 6
SDSPL KT-FT/1000155 62 9 6 4 4 3 3 3 3 2 3
THURSDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
CWR.................10 PERCENT.
CHANCE OF THUNDER...4 PERCENT.
TEMPERATURE.........MAX 56.
RH..................MIN 38 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 10 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......2400 FT AGL INCREASING TO 6900 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 14 MPH INCREASING TO 15 TO 18
MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....POOR (2200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (110000 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........48 52 51 47 46 52 50 56 53 58 63 65
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............10 10 10 10 0 10 0 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............38 39 42 45 50 51 53 54 55 56 54 54
RH..............85 82 76 68 54 50 46 43 41 38 40 40
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..2 3 4 5 6 8 9 9 9 10 10 10
20 FT WIND GUST.6 7 8 11 12 14 14 14 15 15 18 18
MIX HGT (KFT)...0.5 0.6 1.0 2.4 3.9 4.9 5.7 6.1 6.5 6.9 6.9 6.4
TRANSP WIND DIR.NW NW NW NW N NW NW NW NW NW NW NW
TRANSP WIND SPD.5 6 7 10 14 15 17 17 16 18 18 18
SDSPL KT-FT/10002 3 6 22 46 64 86 92 91 110 110 103
FORECASTER...JRC
REQUESTED BY...KYLE FROMMELT
TYPE OF REQUEST...PRESCRIBED
.TAG 2612122.0/ARX
.DELDT 04/29/26
.FORMATTERVERSION 2.0.0
.EMAIL KYLE.FROMMELT@DNR.IOWA.GOV
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