Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Cheyenne, WY

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000
FNUS55 KCYS 182115
FWFCYS

Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska
National Weather Service Cheyenne WY
315 PM MDT Fri Aug 18 2017

.DISCUSSION...Dry weather, warm temperatures, and low relative
humidities are expected this weekend and into early next week.
The best potential for critical Fire Weather conditions will
be Saturday afternoon west of Interstate 25 as winds gust
around 25 MPH. Humidities will begin to increase by late
Sunday and Monday as some moisture moves into the area with
slightly cooler temperatures.

WYZ301-191015-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
315 PM MDT Fri Aug 18 2017

.Tonight...
Sky/weather.........Clear.
Min temperature.....52-57.
   24 hr trend......2 degrees warmer.
Max humidity........60-66 percent.
   24 hr trend......14 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......2800-4800 ft AGL decreasing to 300-800 ft AGL
                    after midnight.
Smoke dispersal.....Poor (3500-25800 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....88-93.
   24 hr trend......5 degrees warmer.
Min humidity........11-17 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Northwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing height.......1200-2300 ft AGL increasing to 12600-13600 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (18600 knot-ft) increasing to good (90300
                    knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear.
Min temperature.....52-57.
   24 hr trend......Unchanged.
Max humidity........58-64 percent.
   24 hr trend......5 percent drier.
Humidity recovery...Fair.
20-foot winds.......North around 5 mph shifting to the east after
                    midnight. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph shifting to the southeast
                    after midnight.
Mixing height.......4300-6300 ft AGL decreasing to 600-1100 ft AGL
                    after midnight.
Smoke dispersal.....Poor (9000-24700 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....86-91.
   24 hr trend......3 degrees cooler.
Min humidity........15-21 percent.
   24 hr trend......Unchanged.
20-foot winds.......South 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph shifting to the southwest
                    in the afternoon.
Mixing height.......1300-2300 ft AGL increasing to 12600-14600 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (14900 knot-ft) increasing to very good
                    (118900 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s.
Northeast winds around 5 mph.
.TUESDAY...Mostly clear. Slight chance of showers. Lows in the
mid 50s. Highs in the mid 80s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.

$$

WYZ302-191015-
North Laramie Range/Medicine Bow NF-
315 PM MDT Fri Aug 18 2017

.Tonight...
Sky/weather.........Clear.
Min temperature.....49-54.
   24 hr trend......3 degrees warmer.
Max humidity........51-57 percent.
   24 hr trend......25 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing height.......4800-6800 ft AGL decreasing to 600-1400 ft AGL
                    after midnight.
Smoke dispersal.....Good (93300 knot-ft) decreasing to poor (12200
                    knot-ft) after midnight.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Sunny.
Max temperature.....79-85.
   24 hr trend......4 degrees warmer.
Min humidity........15 percent.
   24 hr trend......5 percent drier.
20-foot winds.......West around 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing height.......1500-2400 ft AGL increasing to 10700-12300 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (27100 knot-ft) increasing to excellent
                    (166800 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Clear.
Min temperature.....49-54.
   24 hr trend......3 degrees warmer.
Max humidity........43-49 percent.
   24 hr trend......6 percent drier.
Humidity recovery...Poor.
20-foot winds.......West around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......4000-6000 ft AGL decreasing to 500-1100 ft AGL
                    after midnight.
Smoke dispersal.....Poor to fair (7800-57500 knot-ft).
Haines Index........6 or high potential for large plume dominated
                    fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....77-83.
   24 hr trend......2 degrees cooler.
Min humidity........17 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......West 5 to 10 mph and gusty.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing height.......1300-2000 ft AGL increasing to 13000-14700 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (12900 knot-ft) increasing to very good
                    (139300 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
West winds around 5 mph.
.TUESDAY...Partly cloudy with slight chance of showers. Lows in
the lower 50s. Highs in the upper 70s. Winds generally less than
10 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs around 80. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.

$$

WYZ303-191015-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
315 PM MDT Fri Aug 18 2017

...ELEVATED FIRE WEATHER CONDITIONS ON SATURDAY...

.Tonight...
Sky/weather.........Clear.
Min temperature.....47-52.
   24 hr trend......4 degrees warmer.
Max humidity........52-58 percent.
   24 hr trend......13 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph becoming southwest around 10
                    mph after midnight.
Mixing height.......3100-5100 ft AGL decreasing to 500-1100 ft AGL
                    after midnight.
Smoke dispersal.....Good (71000 knot-ft) decreasing to poor (8100
                    knot-ft) after midnight.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....80-85.
   24 hr trend......3 degrees warmer.
Min humidity........8-14 percent.
   24 hr trend......5 percent drier.
20-foot winds.......West 10 to 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing height.......1600-3500 ft AGL increasing to 10800-12200 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (34300 knot-ft) increasing to excellent
                    (199000 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear.
Min temperature.....47-52.
   24 hr trend......1 degree warmer.
Max humidity........43-49 percent.
   24 hr trend......12 percent drier.
Humidity recovery...Poor.
20-foot winds.......West 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......2600-4600 ft AGL decreasing to 500-1100 ft AGL
                    after midnight.
Smoke dispersal.....Poor to fair (6000-52500 knot-ft).
Haines Index........6 or high potential for large plume dominated
                    fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
Max temperature.....78-83.
   24 hr trend......Unchanged.
Min humidity........11-17 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......1300-2500 ft AGL increasing to 12100-13800 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (13200 knot-ft) increasing to excellent
                    (154600 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows around 50. Highs in the lower 80s.
West winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs around 80.
Winds generally less than 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.

$$

WYZ304-191015-
Southwest Carbon County-
315 PM MDT Fri Aug 18 2017

...ELEVATED FIRE WEATHER CONDITIONS ON SATURDAY...

.Tonight...
Sky/weather.........Mostly clear.
Min temperature.....48-53.
   24 hr trend......3 degrees warmer.
Max humidity........49-55 percent.
   24 hr trend......14 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......3900-5900 ft AGL decreasing to 500-1000 ft AGL
                    after midnight.
Smoke dispersal.....Good (64800 knot-ft) decreasing to poor (4600
                    knot-ft) after midnight.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Sunny.
Max temperature.....82-87.
   24 hr trend......3 degrees warmer.
Min humidity........14 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......2000-2900 ft AGL increasing to 11000-11800 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (17700 knot-ft) increasing to excellent
                    (153600 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....48-53.
   24 hr trend......Unchanged.
Max humidity........41-47 percent.
   24 hr trend......8 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......2500-4500 ft AGL decreasing to 400-900 ft AGL
                    after midnight.
Smoke dispersal.....Poor (4000-35100 knot-ft).
Haines Index........6 or high potential for large plume dominated
                    fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy.
Max temperature.....79-84.
   24 hr trend......3 degrees cooler.
Min humidity........17 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Southwest 5 to 10 mph. Gusts up to 20 mph in
                    the afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......1400-2100 ft AGL increasing to 12500-13300 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (12900 knot-ft) increasing to very good
                    (133500 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s. Southwest winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs around 80.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.

$$

WYZ305-191015-
Sierra Madre Range/Medicine Bow NF-
315 PM MDT Fri Aug 18 2017

...ELEVATED FIRE WEATHER CONDITIONS ON SATURDAY...

.Tonight...
Sky/weather.........Mostly clear.
Min temperature.....45-50.
   24 hr trend......3 degrees warmer.
Max humidity........51-57 percent.
   24 hr trend......19 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph becoming southwest around 5
                    mph after midnight.
Mixing height.......2900-4900 ft AGL decreasing to 600-1500 ft AGL
                    after midnight.
Smoke dispersal.....Poor to fair (7600-48000 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....72-80.
   24 hr trend......3 degrees warmer.
Min humidity........13-19 percent.
   24 hr trend......2 percent drier.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......2700-3500 ft AGL increasing to 9600-11100 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (28700 knot-ft) increasing to very good
                    (147300 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear.
Min temperature.....45-50.
   24 hr trend......1 degree warmer.
Max humidity........46-52 percent.
   24 hr trend......8 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......1900-3900 ft AGL decreasing to 600-1700 ft AGL
                    after midnight.
Smoke dispersal.....Poor (6900-28200 knot-ft).
Haines Index........6 or high potential for large plume dominated
                    fire growth.

.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
                    thunderstorms after 1200.
Max temperature.....70-78.
   24 hr trend......2 degrees cooler.
Min humidity........16-22 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Southwest 5 to 10 mph. Gusts up to 20 mph in
                    the afternoon.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......1800-2600 ft AGL increasing to 11200-12800 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (13500 knot-ft) increasing to very good
                    (125200 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.
Southwest winds around 5 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.

$$

WYZ306-191015-
Upper North Platte River Basin-
315 PM MDT Fri Aug 18 2017

.Tonight...
Sky/weather.........Clear.
Min temperature.....45-50.
   24 hr trend......3 degrees warmer.
Max humidity........55-61 percent.
   24 hr trend......16 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......600-1900 ft AGL.
Smoke dispersal.....Poor (5200-12100 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....79-84.
   24 hr trend......4 degrees warmer.
Min humidity........11-17 percent.
   24 hr trend......3 percent drier.
20-foot winds.......Southwest around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph increasing to west
                    around 20 mph in the afternoon.
Mixing height.......3600-4600 ft AGL increasing to 11400-12100 ft
                    AGL in the afternoon.
Smoke dispersal.....Fair (41500 knot-ft) increasing to excellent
                    (187000 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear.
Min temperature.....45-50.
   24 hr trend......Unchanged.
Max humidity........47-53 percent.
   24 hr trend......9 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......600-1600 ft AGL.
Smoke dispersal.....Poor (5200-9800 knot-ft).
Haines Index........6 or high potential for large plume dominated
                    fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of showers and thunderstorms
                    after 1200.
Max temperature.....76-81.
   24 hr trend......3 degrees cooler.
Min humidity........14-20 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......2600-3400 ft AGL increasing to 12600-13600 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (19500 knot-ft) increasing to very good
                    (129000 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. Southwest winds around 5 mph.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 70s.
Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 70s.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.

$$

WYZ307-191015-
Snowy Range/Medicine Bow NF-
315 PM MDT Fri Aug 18 2017

.Tonight...
Sky/weather.........Clear.
Min temperature.....40-46.
   24 hr trend......2 degrees warmer.
Max humidity........59-65 percent.
   24 hr trend......16 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing height.......2700-4700 ft AGL decreasing to 600-2100 ft AGL
                    after midnight.
Smoke dispersal.....Poor to fair (16500-51600 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....71-77.
   24 hr trend......1 degree warmer.
Min humidity........14-20 percent.
   24 hr trend......4 percent drier.
20-foot winds.......West around 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing height.......2700-4100 ft AGL increasing to 9800-11800 ft
                    AGL in the afternoon.
Smoke dispersal.....Fair (48000 knot-ft) increasing to excellent
                    (176900 knot-ft) in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear.
Min temperature.....41-46.
   24 hr trend......1 degree cooler.
Max humidity........53-59 percent.
   24 hr trend......7 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......1200-3200 ft AGL.
Smoke dispersal.....Poor (16200-34000 knot-ft).
Haines Index........6 or high potential for large plume dominated
                    fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of showers and thunderstorms
                    after 1200.
Max temperature.....69-75.
   24 hr trend......1 degree cooler.
Min humidity........17-23 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......West around 5 mph and gusty.
LAL.................1 until 1200, then 3.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......1800-3300 ft AGL increasing to 9700-11700 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (17300 knot-ft) increasing to good (91900
                    knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. West
winds around 5 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. Winds
generally less than 10 mph.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the mid 40s. Highs around 70.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs around 70.

$$

WYZ308-191015-
Laramie Valley/Shirley Basin-
315 PM MDT Fri Aug 18 2017

...ELEVATED FIRE WEATHER CONDITIONS ON SATURDAY...

.Tonight...
Sky/weather.........Clear.
Min temperature.....45-50.
   24 hr trend......3 degrees warmer.
Max humidity........60-66 percent.
   24 hr trend......14 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......1200-3200 ft AGL decreasing to 400-900 ft AGL
                    after midnight.
Smoke dispersal.....Poor (5100-30100 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....80-85.
   24 hr trend......4 degrees warmer.
Min humidity........10-16 percent.
   24 hr trend......6 percent drier.
20-foot winds.......West 10 to 15 mph with higher gusts.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing height.......2200-4200 ft AGL increasing to 11300-13000 ft
                    AGL in the afternoon.
Smoke dispersal.....Fair (43800 knot-ft) increasing to excellent
                    (206300 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear.
Min temperature.....44-49.
   24 hr trend......1 degree cooler.
Max humidity........52-58 percent.
   24 hr trend......9 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......800-2800 ft AGL decreasing to 300-800 ft AGL
                    after midnight.
Smoke dispersal.....Poor (4500-22700 knot-ft).
Haines Index........6 or high potential for large plume dominated
                    fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of showers and thunderstorms
                    after 1200.
Max temperature.....78-83.
   24 hr trend......1 degree cooler.
Min humidity........12-18 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......West 5 to 10 mph and gusty.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......1600-2200 ft AGL increasing to 11700-13300 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (13900 knot-ft) increasing to very good
                    (104300 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs around 80. West winds
around 5 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 70s.
Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 70s.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 70s.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 70s.

$$

WYZ309-191015-
South Laramie Range/Medicine Bow NF-
315 PM MDT Fri Aug 18 2017

.Tonight...
Sky/weather.........Mostly clear.
Min temperature.....48-54.
   24 hr trend......2 degrees warmer.
Max humidity........57-63 percent.
   24 hr trend......10 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southwest 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing height.......2600-4600 ft AGL decreasing to 400-1000 ft AGL
                    after midnight.
Smoke dispersal.....Poor to fair (8400-44300 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
                    thunderstorms after 1200.
Max temperature.....81-89.
   24 hr trend......4 degrees warmer.
Min humidity........11-17 percent.
   24 hr trend......6 percent drier.
20-foot winds.......West 10 to 15 mph with higher gusts.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing height.......2500-3300 ft AGL increasing to 12500-14200 ft
                    AGL in the afternoon.
Smoke dispersal.....Fair (48800 knot-ft) increasing to excellent
                    (219200 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy until 2400, then clear.
Min temperature.....48-54.
   24 hr trend......Unchanged.
Max humidity........47-53 percent.
   24 hr trend......7 percent drier.
Humidity recovery...Poor.
20-foot winds.......West 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing height.......1300-3300 ft AGL decreasing to 400-1000 ft AGL
                    after midnight.
Smoke dispersal.....Poor (8100-32500 knot-ft).
Haines Index........6 or high potential for large plume dominated
                    fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
                    Slight chance of showers and thunderstorms
                    after 1200.
Max temperature.....78-86.
   24 hr trend......1 degree cooler.
Min humidity........13-19 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......West around 5 mph and gusty.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....West 5 to 10 mph.
Mixing height.......1400-2000 ft AGL increasing to 12400-14400 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (16100 knot-ft) increasing to good (78700
                    knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
West winds around 5 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs around 80. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.

$$

WYZ310-191015-
Platte/Goshen/Central and Eastern Laramie-
315 PM MDT Fri Aug 18 2017

.Tonight...
Sky/weather.........Mostly clear.
Min temperature.....53-58.
   24 hr trend......2 degrees warmer.
Max humidity........62-68 percent.
   24 hr trend......11 percent drier.
Humidity recovery...Fair.
20-foot winds.......Southwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......1100-3100 ft AGL decreasing to 300-800 ft AGL
                    after midnight.
Smoke dispersal.....Poor (4800-14700 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....89-94.
   24 hr trend......6 degrees warmer.
Min humidity........11-17 percent.
   24 hr trend......5 percent drier.
20-foot winds.......West 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing height.......1600-2500 ft AGL increasing to 13700-14600 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (30000 knot-ft) increasing to excellent
                    (185800 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy until 2400, then clear.
Min temperature.....52-57.
   24 hr trend......1 degree cooler.
Max humidity........56-62 percent.
   24 hr trend......9 percent drier.
Humidity recovery...Fair.
20-foot winds.......Northwest around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing height.......2600-4600 ft AGL decreasing to 300-800 ft AGL
                    after midnight.
Smoke dispersal.....Poor (3800-26800 knot-ft).
Haines Index........6 or high potential for large plume dominated
                    fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy.
Max temperature.....86-91.
   24 hr trend......5 degrees cooler.
Min humidity........13-19 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Northwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph shifting to the west in
                    the afternoon.
Mixing height.......1200-1800 ft AGL increasing to 13000-14800 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (10800 knot-ft) increasing to good (61500
                    knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 80s.
Northwest winds around 5 mph.
.TUESDAY...Partly cloudy with slight chance of showers. Lows in
the mid 50s. Highs in the mid 80s. Winds generally less than
10 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.

$$

NEZ311-191015-
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
315 PM MDT Fri Aug 18 2017

.Tonight...
Sky/weather.........Clear.
Min temperature.....54-59.
   24 hr trend......2 degrees warmer.
Max humidity........67-73 percent.
   24 hr trend......8 percent drier.
Humidity recovery...Good.
20-foot winds.......Northeast around 5 mph shifting to the south
                    after midnight. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......800-2800 ft AGL decreasing to 500 ft AGL after
                    midnight.
Smoke dispersal.....Poor (6000-7900 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....91-96.
   24 hr trend......8 degrees warmer.
Min humidity........20 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Northwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing height.......1000-1600 ft AGL increasing to 13900-14600 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (12500 knot-ft) increasing to very good
                    (105100 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear.
Min temperature.....54-59.
   24 hr trend......Unchanged.
Max humidity........73-79 percent.
   24 hr trend......8 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northeast around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph.
Mixing height.......1400-3400 ft AGL decreasing to 300-800 ft AGL
                    after midnight.
Smoke dispersal.....Poor (5800-9600 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....87-92.
   24 hr trend......5 degrees cooler.
Min humidity........21-27 percent.
   24 hr trend......7 percent wetter.
20-foot winds.......Northeast around 5 mph and gusty.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....North 5 to 10 mph.
Mixing height.......1200-2200 ft AGL increasing to 9700-11600 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (17200-22800 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the upper 80s. Northeast winds
around 5 mph.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the mid 80s. Winds generally less
than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
Southeast winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows around 60. Highs in the upper 80s.

$$

NEZ312-191015-
Box Butte/South Sioux-
315 PM MDT Fri Aug 18 2017

.Tonight...
Sky/weather.........Clear.
Min temperature.....53-58.
   24 hr trend......2 degrees warmer.
Max humidity........74-80 percent.
   24 hr trend......Unchanged.
Humidity recovery...Good.
20-foot winds.......Southwest around 5 mph shifting to the south
                    after midnight. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......400-1900 ft AGL.
Smoke dispersal.....Poor (5400-7800 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....91-96.
   24 hr trend......7 degrees warmer.
Min humidity........15-21 percent.
   24 hr trend......1 percent drier.
20-foot winds.......West 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing height.......900-1400 ft AGL increasing to 14100-14600 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (12200 knot-ft) increasing to excellent
                    (176800 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear.
Min temperature.....53-58.
   24 hr trend......1 degree cooler.
Max humidity........81-87 percent.
   24 hr trend......10 percent wetter.
Humidity recovery...Good.
20-foot winds.......North around 5 mph shifting to the east after
                    midnight. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph shifting to the east
                    after midnight.
Mixing height.......2800-4800 ft AGL decreasing to 500 ft AGL after
                    midnight.
Smoke dispersal.....Poor (3500-18600 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....87-92.
   24 hr trend......4 degrees cooler.
Min humidity........19-25 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......Northeast around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 5 mph shifting to the west in
                    the afternoon.
Mixing height.......900-1400 ft AGL increasing to 11700-12600 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (6200-29800 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the upper 80s. East winds around
5 mph.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the mid 80s. Winds generally less
than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
Southeast winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.

$$

NEZ313-191015-
Scotts Bluff National Monument/Wildcat Hills-
315 PM MDT Fri Aug 18 2017

.Tonight...
Sky/weather.........Mostly clear.
Min temperature.....54-59.
   24 hr trend......3 degrees warmer.
Max humidity........75-81 percent.
   24 hr trend......3 percent drier.
Humidity recovery...Good.
20-foot winds.......South around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph increasing to around 20 mph
                    after midnight.
Mixing height.......300-2300 ft AGL.
Smoke dispersal.....Poor (8600-10200 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....91-96.
   24 hr trend......7 degrees warmer.
Min humidity........15-21 percent.
   24 hr trend......2 percent drier.
20-foot winds.......West 5 to 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing height.......900-1500 ft AGL increasing to 14300-15100 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (14300 knot-ft) increasing to excellent
                    (191700 knot-ft) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.SATURDAY NIGHT...
Sky/weather.........Partly cloudy until 2400, then clear.
Min temperature.....53-58.
   24 hr trend......1 degree cooler.
Max humidity........74-80 percent.
   24 hr trend......9 percent wetter.
Humidity recovery...Good.
20-foot winds.......West around 5 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing height.......2600-4600 ft AGL decreasing to 400-900 ft AGL
                    after midnight.
Smoke dispersal.....Poor (3500-24900 knot-ft).
Haines Index........6 or high potential for large plume dominated
                    fire growth.

.SUNDAY...
Sky/weather.........Mostly sunny.
Max temperature.....88-93.
   24 hr trend......3 degrees cooler.
Min humidity........18-24 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......Northwest around 5 mph shifting to the
                    northeast in the afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 5 mph shifting to the
                    southwest in the afternoon.
Mixing height.......900-1400 ft AGL increasing to 12500-13800 ft
                    AGL in the afternoon.
Smoke dispersal.....Poor (6800-35900 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 80s.
Southeast winds around 5 mph.
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
Southeast winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.FRIDAY...Partly cloudy with chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the mid 80s.

$$



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