677
FNUS75 KBYZ 301604
FWSBYZ

Spot Forecast for South Stocker RX...USFS
National Weather Service Billings MT
1004 AM MDT Tue Apr 30 2024

Forecast is based on ignition time of 0700 MDT on May 01.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...

Wednesday through Thursday will remain unsettled with chances of
precipitation each day. The best chance of precipitation is
Thursday (60%), but chances of a wetting rain remain low around
20 percent. There is also a slight chance of a thunderstorm
Thursday afternoon. Breezy winds will prevail during the days,
with lighter winds overnight. Wednesday will be much drier overall
with minimum RHs in the 20s, compared to 30s Thursday.

.WEDNESDAY...

Sky/weather.........Partly sunny. Slight chance of snow showers in
                    the morning. Slight chance of rain showers
                    through the day.
CWR.................Less than 10 percent.
LAL.................1...no thunderstorms.
Max temperature.....53-56.
Min humidity........23-28 percent.
Wind (20 ft)........
 Slope/valley.......Northwest 7 to 16 mph.
 Ridgetop...........Northwest around 16 mph.
Mixing height.......400 ft AGL early in the morning increasing to
                    8000 ft AGL in the afternoon.
Transport winds.....West 12 to 20 mph.
Haines index........3.

TIME (MDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........60  63  65  62  55  52  55  61  64  65  67
Weather cov.....SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH
Weather type....RS  RS  RS  RS  RS  RW  RW  RW  RW  RW  RW
Tstm cov........
Temp............32  37  42  44  47  49  51  53  55  54  54
RH..............62  57  50  48  45  41  37  34  31  28  25
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..7   8   9   10  11  12  12  12  12  12  11
20 FT wind gust.11  12  13  14  14  16  16  16  16  16  15

.WEDNESDAY NIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of rain showers in the evening,
                    then chance of rain showers overnight.
CWR.................Less than 10 percent.
LAL.................1...no thunderstorms.
Min temperature.....31-35.
Max humidity........78-83 percent.
Wind (20 ft)........
 Slope/valley.......West 6 to 12 mph.
 Ridgetop...........West around 14 mph.
Mixing height.......8000 ft AGL early in the evening decreasing to
                    400 ft AGL overnight.
Transport winds.....West 6 to 14 mph.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........68  68  68  52  52  52  46  46  46  37  37  37
Weather cov.....SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........
Temp............53  51  47  44  42  40  38  36  34  33  33  32
RH..............26  32  38  45  52  58  63  68  72  75  78  80
20 FT wind dir..NW  NW  NW  W   W   W   W   W   W   W   W   W
20 FT wind spd..11  11  11  8   8   7   6   6   7   8   8   8
20 FT wind gust.16  16  16  12  12  12  13  13  13  14  14  14

.THURSDAY...

Sky/weather.........Partly sunny. Chance of rain showers and snow
                    showers in the morning, then rain showers
                    likely, with a slight chance of thunderstorms
                    in the afternoon.
CWR.................20 percent.
LAL.................2...1 to 8 Strikes / 15 min / cell.
Max temperature.....48-54.
Min humidity........37-43 percent.
Wind (20 ft)........
 Slope/valley.......Northwest 12 to 20 mph with gusts to
                    around 30 mph. Gusty and erratic winds possible
                    near thunderstorms.
 Ridgetop...........West around 35 mph.
Mixing height.......400 ft AGL early in the morning increasing to
                    7000 ft AGL in the afternoon.
Transport winds.....West 20 to 35 mph.
Haines index........3.

TIME (MDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........62        62        57        61
Weather cov.....CHANCE    CHANCE    LIKELY    LIKELY
Weather type....RNSN      RNSN      RNSHWR    TSSHWR
Tstm cov........
Temp............32        38        48        51
RH..............81        70        45        40
20 FT wind......W 11G16   NW 15G21  NW 17G25  NW 18G28

$$
Forecaster...Arends/Setzenfand
Requested by...Cody S Phillips
Type of request...PRESCRIBED
.TAG 2412752.1/BYZ
.DELDT 04/30/24
.FormatterVersion 2.0.0
.EMAIL cody.phillips2@usda.gov