Spot Forecast
Issued by NWS Sioux Falls, SD

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396
FNUS73 KFSD 130313
FWSFSD

Spot Forecast for Gross RX...South Dakota Game FIsh and Parks
National Weather Service Sioux Falls SD
1013 PM CDT Sun May 12 2024

If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Light north or northeast wind and poor smoke dispersion through 8
AM. Winds will increase through the morning. Smoke dispersion
improves by mid day with winds becoming more NNE at sustained 7
to 12 mph with occasional afternoon gusts up to 20 mph. Latest high
resolution models suggest areas of smoke from Canadian wildfires
will filter through aloft and may reach the surface across
southeast South Dakota tonight, lingering through the day Monday.
Upstream observations with visibility as low as 4 miles has been
observed in this near surface smoke.

Temperatures, initially starting around 50 degrees, will warm to
the lower 70s with an afternoon minimum humidity around 30
percent. The next chance of rain comes Tuesday night.


.MONDAY...

Max temperature.....Around 73.
Min humidity........32 percent.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......PCLDY  MCLEAR MCLEAR MCLEAR CLEAR  MCLEAR
Sky (%).........35     25     14     7      5      7
Weather cov.....       AREAS  AREAS  DEFNTE DEFNTE DEFNTE
Weather type....NONE   SMOKE  SMOKE  HAZE   HAZE   HAZE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
Temp............52     55     64     69     72     73
Dewpoint........43     42     43     42     41     41
RH..............70     62     47     38     32     32
20 ft wind......NE 9   ENE 12 ENE 12 NE 12  NNE 12 NNE 12
20 ft wind gust.15     18     17     15     15     15
Mix hgt (ft)....400    500    1800   5800   6700   6800
Transport wind..ENE 13 ENE 15 ENE 15 NNE 14 N 15   N 14
Haines index....5      5      5      5      4      4
Smoke Dispersal.POOR   POOR   FAIR   EXCEL  EXCEL  EXCEL

.MONDAY NIGHT...

Min temperature.....Around 45.
Max humidity........78 percent.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......CLEAR  CLEAR  CLEAR  CLEAR  CLEAR  CLEAR
Sky (%).........5      3      2      2      2      2
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
Temp............72     68     58     53     51     48
Dewpoint........41     41     41     40     39     39
RH..............32     37     54     60     64     71
20 ft wind......NNE 12 NE 9   ENE 9  ENE 9  E 8    E 8
20 ft wind gust.14     12     12     12     12     13
Mix hgt (ft)....6400   800    400    400    400    400
Transport wind..N 15   NE 12  NE 12  ENE 14 ENE 14 E 12
Haines index....4      4      4      4      4      4
Smoke Dispersal.EXCEL  POOR   POOR   POOR   POOR   POOR

$$
Forecaster...BP
Requested by...Jonny Pfeifer
Type of request...PRESCRIBED
.TAG 2413888.0/FSD
.DELDT 05/12/24
.FormatterVersion 2.0.0