Spot Forecast
Issued by NWS Sioux Falls, SD

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Spot Forecast for Heendah Sub Units...Iowa Dept. Of Natural Resources
National Weather Service Sioux Falls SD
911 AM CDT Thu Mar 28 2024

If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Temperatures will gradually continue to increase this afternoon as
highs peak in the low to mid 50s for the day. With dew points
expected to climb into low to mid 30s by for the afternoon, RH
values should remain elevated with values closer to 50 percent.
Otherwise, light southeasterly surface winds should continue for
the remainder of the day with sustained winds between 5-10 mph.
Lastly, partly cloudy conditions this afternoon should cap mixing
heights to about 3000 ft leading to pretty good smoke dispersal.


.REST OF TODAY...

Max temperature.....Around 52.
Min humidity........54 percent.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MCR MCR MCR MCR MCR MCR MCR
Sky (%).........11  12  12  13  16  19  22
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0
Temp............37  40  44  46  49  50  51
Dewpoint........27  29  31  33  34  34  35
RH..............68  64  60  60  56  54  54
20 FT wind dir..E   E   E   ESE ESE ESE ESE
20 FT wind spd..9   9   10  10  10  10  10
20 FT wind gust.14  13  13  14  15  15  14
Mix hgt (kft)...1.5 1.9 2.1 2.3 2.7 2.9 2.7
Transp wind dir.ESE SE  ESE ESE SE  SE  ESE
Transp wind spd.14  13  13  13  12  12  10
Haines index....5   5   5   5   5   5   5
Smoke Dispersal.FR  FR  FR  FR  FR  FR  FR

.TONIGHT...

Min temperature.....Around 36.
Max humidity........85 percent.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......PCLDY  PCLDY  PCLDY  MCLDY  MCLDY  MCLDY
Sky (%).........26     36     43     62     70     70
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
Temp............52     46     42     40     39     38
Dewpoint........36     35     34     34     33     33
RH..............54     65     73     79     79     82
20 ft wind......ESE 10 E 10   E 13   E 14   ESE 14 ESE 13
20 ft wind gust.14     15     18     21     21     18
Mix hgt (ft)....2000   400    400    500    500    400
Transport wind..ESE 12 E 15   E 17   ESE 17 ESE 17 ESE 16
Haines index....5      5      5      5      5      5
Smoke Dispersal.FAIR   POOR   POOR   POOR   POOR   POOR

.FRIDAY...

Max temperature.....Around 60.
Min humidity........64 percent.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......MCLDY  MCLDY  PCLDY  MCLDY  MCLDY  MCLDY
Sky (%).........65     60     48     70     79     78
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      10     10
Temp............38     39     47     54     59     59
Dewpoint........33     35     39     42     44     42
RH..............82     85     74     64     57     53
20 ft wind......ESE 12 ESE 13 SE 13  SSE 10 S 8    W 10
20 ft wind gust.18     18     20     16     13     14
Mix hgt (ft)....400    700    1300   2500   3200   3600
Transport wind..ESE 15 SE 15  SSE 16 S 14   S 9    WSW 8
Haines index....5      5      5      5      3      3
Smoke Dispersal.POOR   POOR   FAIR   FAIR   FAIR   FAIR

$$
Forecaster...IG
Requested by...John Mcandrews
Type of request...PRESCRIBED
.TAG 2408749.0/FSD
.DELDT 03/28/24
.FormatterVersion 2.0.0


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