Spot Forecast
Issued by NWS Sioux Falls, SD

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FNUS73 KFSD 031449
FWSFSD

Spot Forecast for Pats Pasture WMA...MNDNR
National Weather Service Sioux Falls SD
949 AM CDT Fri May 3 2024

If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

With recent rains, the fire danger will continue to remain low for
the next several days. Today will start out dry before showers
move in later this afternoon into tonight.

At the time of ignition, the sky will be clear, temperatures will
be in the mid 50s, dew point will be in the mid 40s, and relative
humidity (RH) will be around 70%. Winds will be southwesterly at
around 10 mph with gusts around 15 mph. Remnants of the morning
will still be in place, with mixing heights only around 500 ft
above ground level (AGL). As a result, smoke will be held close to
the surface. The inversion is expected to continue to mix out as
the surface warms this morning, and by noon should be around 1400
ft AGL, reaching a peak mixing height of 3500 ft AGL by 3pm.

Clouds will increase through the day and the sky will be mostly
cloudy around 3pm. Winds will gradually increase this morning to
a peak sustained of 15 mph with gusts of 20 mph around 3 pm.
A cold front will be approaching the area will cause winds to
gradually turn southerly by approximately 5pm. They continue to
turn counter clockwise as the front approaches. The front will
pass through the area between 9pm and midnight, after which
winds will be northerly. Despite the frontal passage, maximum wind
gusts are expected to remain 15-20 mph. Rain showers are expected
to follow the front, and will begin between 10pm and midnight.
Showers are expected to be clear of the area after 8 am. Rain
totals are expected to be between 0.25 and 0.5 inches.

Maximum temperature for this afternoon will be in the upper 60s,
with an overnight minimum in the mid 40s. Dew points are expected
to remain in the mid 40s through Saturday morning. RH will fall
through the day reaching its minimum of 40% around 3 pm,
increasing again overnight.

.REST OF TODAY...

Max temperature.....Around 67.
Min humidity........43 percent.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MCR MCR MCR PC  PC  MC  MC  MC
Sky (%).........23  20  23  30  46  66  57  65
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0
Temp............55  58  61  64  64  65  66  65
Dewpoint........44  44  45  45  44  44  43  43
RH..............65  60  55  50  47  46  43  45
20 FT wind dir..SW  SW  SW  SSW SSW SSW SSW SSW
20 FT wind spd..9   12  13  14  14  14  13  13
20 FT wind gust.10  14  20  20  22  21  22  22
Mix hgt (kft)...1.6 2.5 3.3 4.2 4.7 4.8 5.3 4.6
Transp wind dir.WSW WSW SW  SW  SW  SSW SSW S
Transp wind spd.18  20  20  22  23  22  22  20
Haines index....6   6   6   5   5   5   5   5
Smoke Dispersal.FR  GD  GD  EX  EX  EX  EX  EX

.TONIGHT...

Min temperature.....Around 43.
Max humidity........95 percent.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......MCLDY  MCLDY  MCLDY  MCLDY  CLOUDY CLOUDY
Sky (%).........72     76     73     85     94     98
Weather cov.....       S CHC  S CHC  CHANCE LIKELY DEFNTE
Weather type....NONE   RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........
Chc of pcpn (%).10     20     20     30     70     90
Temp............64     59     52     49     47     44
Dewpoint........43     44     44     43     42     43
RH..............46     57     73     81     84     95
20 ft wind......S 12   E 9    N 10   N 13   N 13   N 12
20 ft wind gust.18     14     15     16     18     18
Mix hgt (ft)....4400   600    700    1200   1300   1300
Transport wind..S 17   S 9    N 13   N 18   N 17   N 17
Haines index....5      4      4      4      3      3
Smoke Dispersal.EXCEL  POOR   POOR   FAIR   FAIR   FAIR

.SATURDAY...

Max temperature.....Around 60.
Min humidity........45 percent.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......MCLDY  MCLDY  PCLDY  PCLDY  PCLDY  MCLEAR
Sky (%).........87     69     46     48     39     18
Weather cov.....DEFNTE CHANCE
Weather type....RNSHWR RNSHWR NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).80     40     10     10     10     10
Temp............44     45     50     54     58     59
Dewpoint........42     42     42     41     40     39
RH..............94     91     74     62     50     47
20 ft wind......N 12   N 13   NNW 14 NNW 14 NNW 14 NNW 14
20 ft wind gust.20     20     17     18     20     18
Mix hgt (ft)....1200   1500   2800   4500   5800   6200
Transport wind..N 20   N 20   N 22   N 22   NNW 21 NNW 21
Haines index....3      3      3      3      3      3
Smoke Dispersal.FAIR   FAIR   GOOD   EXCEL  EXCEL  EXCEL

$$
Forecaster...AP
Requested by...Chad August
Type of request...PRESCRIBED
.TAG 2413091.0/FSD
.DELDT 05/03/24
.FormatterVersion 2.0.0