444
FNUS73 KUNR 241430
FWSUNR

Spot Forecast for Manderson RX...SD-PRA
National Weather Service Rapid City SD
830 AM MDT Thu Apr 24 2025

Forecast is based on ignition time of 0800 MDT on April 24.
If conditions become unrepresentative, contact the National Weather
Service.

DISCUSSION...Low clouds and rain showers will persist through the
day into the overnight hours with relative humidity not falling
below 85 percent until Friday afternoon. Additional rain amounts
of 0.05"-0.2" are expected between now and late Friday morning.

Warmer and generally drier Saturday (minimum RH ~45% Saturday
afternoon), although spotty showers and thunderstorms are possible
in the afternoon.

Much warmer Sunday (low to mid 80s) with showers and thunderstorms
by the afternoon into the overnight hours. Rain will persist through
Monday into early Tuesday morning with an additional 0.25-0.5" of
rain Sunday through Tuesday; locally higher amounts possible in
any thunderstorms or heavier rain showers.

Near-daily chances of rain will persist through at least mid-week
next week.

.REST OF TODAY...

Sky/weather.........Cloudy (95-100 percent). Rain early in the
                    morning, then rain likely in the afternoon.
Max temperature.....Around 44.
Min humidity........85-90 percent.
Wind (20 ft)........Northeast winds 15 to 20 mph with gusts to
                    around 25 mph.
CWR.................60 percent.
Mixing height.......1700 to 2200 ft agl.
Transport winds.....East around 25 mph.
Smoke dispersal.....Fair.

TIME (MDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........100 100 99  99  98  98  98  98  98  98
Weather cov.....DEF DEF DEF DEF LKY LKY LKY LKY LKY LKY
Weather type....RN  RN  RN  RN  RN  RN  RN  RN  RN  RN
Tstm cov........
CWR.............60  60  60  60  60  60  60  60  60  60
Temp............39  41  42  42  43  44  44  44  44  43
RH..............96  91  89  89  88  88  89  89  86  89
20 FT wind dir..E   E   E   E   E   E   NE  NE  NE  NE
20 FT wind spd..12  13  14  15  14  14  15  16  16  16
20 FT wind gust.21  22  23  23  22  23  24  25  25  25
Mix hgt (kft)...1.5 1.6 1.6 1.8 1.8 1.8 1.8 2.2 1.7 1.6
Transp wind dir.E   E   E   E   E   E   NE  NE  NE  NE
Transp wind spd.22  22  22  23  23  24  25  25  25  23

.TONIGHT...

Sky/weather.........Cloudy (95-100 percent). Rain likely early in
                    the evening, then chance of rain in the late
                    evening and overnight.
Min temperature.....Around 35.
Max humidity........100 percent.
Wind (20 ft)........Northeast winds 10 to 15 mph with gusts to
                    around 23 mph.
CWR.................45 percent.
Mixing height.......1200 to 1700 ft agl.
Transport winds.....Northeast 15 to 25 mph.
Smoke dispersal.....Poor.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........98  98  98  98  98  98  98  98  98  98  98  98
Weather cov.....LKY LKY LKY CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....RN  RN  RN  RN  RN  RN  RN  RN  RN  RN  RN  RN
Tstm cov........
CWR.............40  40  40  40  40  40  40  40  40  40  40  40
Temp............42  41  40  39  38  38  37  37  37  36  37  36
RH..............93  96  96  96  96  96  100 100 96  100 100 100
20 FT wind dir..NE  NE  NE  NE  NE  NE  NE  NE  N   N   NE  N
20 FT wind spd..15  14  14  14  13  10  10  9   9   9   8   8
20 FT wind gust.23  22  22  21  20  17  16  15  14  14  14  14
Mix hgt (kft)...1.4 1.4 1.4 1.5 1.4 1.4 1.3 1.2 1.2 1.3 1.2 1.2
Transp wind dir.NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
Transp wind spd.22  22  22  21  20  17  16  15  14  13  14  14

.FRIDAY...

Sky/weather.........Cloudy (85-95 percent). Chance of rain showers
                    in the morning.
Max temperature.....Around 53.
Min humidity........50-55 percent.
Wind (20 ft)........Northeast winds around 10 mph shifting to the
                    east in the afternoon. Gusts up to 20 mph.
CWR.................20 percent.
Mixing height.......3700 to 4200 ft agl.
Transport winds.....East 15 to 20 mph increasing to around 20 mph
                    late in the afternoon.
Smoke dispersal.....Good.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........98  98  98  98  94  90  86  85  83  82  83  84
Weather cov.....CHC CHC CHC CHC CHC CHC
Weather type....RW  RW  RW  RW  RW  RW
Tstm cov........
CWR.............20  20  20  20  20  20  20  20  20  20  20  20
Temp............35  37  37  40  43  45  47  49  50  51  52  52
RH..............100 100 99  89  82  75  68  62  57  55  53  52
20 FT wind dir..NE  NE  NE  NE  NE  E   E   E   E   E   E   E
20 FT wind spd..8   8   8   8   9   9   10  10  12  12  12  12
20 FT wind gust.14  14  14  16  16  17  17  18  18  20  20  20
Mix hgt (kft)...1.2 1.4 1.6 1.8 2.1 2.5 2.8 3.2 3.7 4.2 3.9 3.7
Transp wind dir.NE  NE  NE  E   E   E   E   E   E   E   E   E
Transp wind spd.15  15  15  15  15  16  16  17  18  18  18  18

$$
Forecaster...SE
Requested by...Bauer
Type of request...PRESCRIBED
.TAG 2511668.0/UNR
.DELDT 04/24/25
.FormatterVersion 2.0.0
.EMAIL justin.bauer@bia.gov