350
FNUS75 KRIW 230942
FWSRIW

Spot Forecast for Burnt Creek...Bridger Teton National Forest
National Weather Service Riverton WY
342 AM MDT Sat Aug 23 2025

Forecast is based on forecast start time of 0600 MDT on August 23.
If conditions become unrepresentative, contact the National Weather
Service

.DISCUSSION...

South winds in the morning around 8 mph, with occasional gusts to
around 14 mph. Winds shift to be from the west around 1100L, with
speeds around 10 mph and afternoon gusts to around 15 mph. Winds
shift to be from the east around 2000L or 2100L and then the
southeast after 2400L, which will continue through about sunrise
Sunday. Highs will be in the mid-70s, with minimum RHs around 20
percent (comparable to yesterday). No precipitation expected today.
Looking ahead, there is about a 25 percent chance of a shower or
thunderstorm Sunday afternoon and evening. Increasing moisture
brings better chances starting Monday, with daily chances through
next week. With this better moisture, wetting rains become more
likely.

...Thunderstorms imply strong gusty and erratic winds...

.TODAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 74.
Min humidity........18 to 22 percent.
Wind (20 ft)........South winds around 8 mph until 1100, then west
                    around 10 mph with gusts to around 15 mph.
Ridgetop wind.......South around 15 mph until 1200, then west.
Mixing height.......2000 ft AGL until 1100. 10000 ft AGL after
                    1400.
Transport winds.....South around 15 mph until 1100, then west around
                    15 mph.
Smoke dispersal.....Poor until 1000. Very good after 1500.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........15  30  15  10  5   10  10  20  30  30  35  35
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............43  44  49  57  63  67  71  73  73  74  74  74
RH..............82  86  74  57  47  37  31  27  24  22  20  20
20 FT wind dir..S   S   S   S   S   SW  SW  W   W   W   W   W
20 FT wind spd..6   6   6   7   8   8   7   7   8   8   8   8
20 FT wind gust.10  10  10  11  13  13  11  11  13  13  13  13
Ridge wind dir..S   S   S   S   S   SW  SW  W   W   W   W   W
Ridge wind spd..15  15  15  15  15  15  15  15  15  15  15  15
Mix hgt (kft)...0.5 0.5 0.5 1.0 2.0 4.5 7.0 8.5 9.0 10  10  9.5
Transp wind dir.S   S   S   S   SW  W   W   W   W   W   W   NW
Transp wind spd.13  13  13  14  15  15  14  14  15  15  15  15
SDspl kt-ft/10007   7   7   14  26  57  82  100 117 129 129 125

.TONIGHT...

Sky/weather.........Party to mostly cloudy (40-60 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 42.
Max humidity........78 to 82 percent.
Wind (20 ft)........Northwest winds 8 to 10 mph until 2000, then
                    east around 8 mph until 0100, then southeast
                    around 7 mph. Gusts up to 15 mph until 2400.
Ridgetop wind.......Northwest 10 to 15 mph until 2000, then east
                    10 to 15 mph.
Mixing height.......9500 ft AGL until 1900. 500 ft AGL after 2000.
Transport winds.....Northwest 10 to 15 mph until 2000, then east 10
                    to 15 mph until 0200, then southeast around 12 mph.
Smoke dispersal.....Very good until 1900. Poor after 2000.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........55  45  50  55  50  45  35  35  40  40  40  40
Weather cov.....                                        DEF DEF
Weather type....                                        HAZ HAZ
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............72  69  63  56  51  49  49  47  45  45  44  43
RH..............21  26  34  46  54  59  63  69  74  78  78  79
20 FT wind dir..NW  N   NE  NE  E   E   E   E   E   E   E   E
20 FT wind spd..7   6   6   7   8   7   6   6   6   6   6   6
20 FT wind gust.11  8   8   11  13  11  10  10  10  8   8   8
Ridge wind dir..NW  N   NE  NE  E   E   E   E   E   E   E   E
Ridge wind spd..15  10  10  15  15  15  15  15  15  10  10  10
Mix hgt (kft)...9.5 2.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.NW  N   NE  E   E   E   E   E   SE  SE  SE  SE
Transp wind spd.14  12  12  14  15  14  13  13  13  12  12  12
SDspl kt-ft/1000114 25  7   8   9   8   7   7   7   7   6   6

.SUNDAY...

Sky/weather.........Mostly sunny (40-50 percent). Slight chance of
                    showers and thunderstorms in the afternoon.
CWR.................0 percent.
Chance of pcpn......20 percent.
Chance of thunder...15 percent.
Max temperature.....Around 73.
Min humidity........22 to 26 percent.
Wind (20 ft)........Southeast winds around 8 mph until 0900, then south
                    around 8 mph until 1200, then west around 10 mph
                    with gusts to around 15 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    afternoon.
Ridgetop wind.......Southeast around 10 mph until 1100, then west
                    until 1700, then northwest.
Mixing height.......1500 ft AGL until 1000. 10000 ft AGL after
                    1400.
Transport winds.....Southeast around 10 mph until 0900. West 15 to
                    20 mph after 1200.
Smoke dispersal.....Poor until 1000, increasing to excellent in the
                    afternoon after 1200.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........30  45  25  30  20  30  40  50  60  65  65  65
Weather cov.....DEF                     SCH SCH SCH SCH SCH SCH
Weather type....HAZ                     RW  RW  RW  RW  RW  RW
Tstm cov........                        SCH SCH SCH SCH SCH SCH
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   20  20  20  20  20  20
Chc of thdr (%).0   0   0   0   0   0   20  20  20  20  20  20
Temp............42  42  49  58  63  66  69  71  72  73  73  72
RH..............80  79  68  55  47  39  34  31  29  28  26  25
20 FT wind dir..SE  SE  SE  SE  S   SW  SW  W   W   W   W   NW
20 FT wind spd..6   6   5   5   5   6   6   7   8   8   8   7
20 FT wind gust.8   8   7   7   7   8   10  11  13  13  13  11
Ridge wind dir..SE  SE  SE  SE  S   SW  SW  W   W   W   W   NW
Ridge wind spd..10  10  10  10  10  10  15  15  15  15  15  15
Mix hgt (kft)...0.5 0.5 0.5 1.5 2.5 5.0 7.0 8.0 9.0 10  9.5 9.5
Transp wind dir.SE  SE  SE  S   S   SW  W   W   W   W   W   NW
Transp wind spd.12  12  10  10  10  14  17  17  17  17  15  14
SDspl kt-ft/10006   6   5   12  22  58  107 122 137 152 126 111

.FORECAST DAYS 3 THROUGH 5...
.MONDAY...
Mostly cloudy. Chance of showers and thunderstorms. Lows in the
lower 40s. Highs in the upper 60s. Afternoon west to northwest
winds 8 to 10 mph.
.TUESDAY...
Mostly cloudy with showers likely and chance of thunderstorms.
Lows in the lower 40s. Highs in the mid 60s. Afternoon south winds
around 10 mph.
.WEDNESDAY...
Mostly cloudy with showers likely and chance of thunderstorms.
Lows in the mid 40s. Highs in the upper 50s. Afternoon south winds
around 10 mph.

$$
Forecaster...Wittmann
Requested by...Incident Commander
Type of request...WILDFIRE
.TAG 2520495.0/RIW
.DELDT 08/23/25
.FormatterVersion 2.0.0
.EMAIL wytdc@firenet.gov