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

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FNUS55 KCYS 161057
FWFCYS

Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska
National Weather Service Cheyenne WY
357 AM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MST SUNDAY FOR THE NORTH
LARAMIE RANGE TO INCLUDE PORTIONS OF NORTHERN ALBANY COUNTY, AS WELL AS
ALL OF CONVERSE COUNTY...

.DISCUSSION...WINDS WILL DIMINISH THIS MORNING WITH HUMIDITY VALUES
TRENDING UPWARD DURING THE AFTERNOON HOURS AS A COLD FRONT MOVES
SOUTHWARD ACROSS THE FIRE DISTRICTS. ENOUGH MOISTURE WILL BECOME
FOCUSED ALONG THE FRONT TO PRODUCE AREAS OF SNOW SHOWERS, WITH THE
POTENTIAL OF FREEZING DRIZZLE AND FOG ACROSS FAR SOUTHEASTERN
WYOMING AND THE NEBRASKA PANHANDLE TONIGHT.

WYZ301-162315-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
357 AM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MST SUNDAY...

.TODAY...
Sky/weather.........Cloudy. Snow likely until 0800, then snow. Snow
                    accumulation up to 3 inches.
Max temperature.....33-38.
   24 hr trend......18 degrees cooler.
Min humidity........39-45 percent.
   24 hr trend......17 percent wetter.
20-foot winds.......North 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.55 percent.
Transport winds.....Northeast around 10 mph.
Mixing height.......1300-3300 ft AGL.
Smoke dispersal.....Poor (19100-25100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Snow showers until 2400, then chance of
                    snow. Snow accumulation up to 2 inches.
Min temperature.....20-25.
   24 hr trend......5 degrees cooler.
Max humidity........93-99 percent.
   24 hr trend......25 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East 5 to 10 mph.
LAL.................1.
Chc of wetting rain.45 percent.
Transport winds.....Northeast 5 to 10 mph.
Mixing height.......2100-2800 ft AGL.
Smoke dispersal.....Poor (14300-27800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy
                    until 1500, then mostly sunny. Slight chance of
                    snow until 1100.
Max temperature.....33-38.
   24 hr trend......Unchanged.
Min humidity........52-58 percent.
   24 hr trend......18 percent wetter.
20-foot winds.......Southwest 5 to 10 mph. Gusts up to 15 mph
                    increasing to 25 mph in the afternoon.
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.......1900-3900 ft AGL.
Smoke dispersal.....Poor to good (12600-60600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows in the lower 20s. Highs in the
lower 40s. West winds around 15 mph.
.TUESDAY...Partly cloudy. Lows in the mid 20s. Highs in the lower
40s. West winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 40s. West winds
around 10 mph.
.THURSDAY...Much colder. Mostly cloudy with chance of snow
showers. Lows around 12. Highs in the lower 20s.
.FRIDAY...Partly cloudy. Lows around 6. Highs in the lower 20s.

$$

WYZ302-162315-
North Laramie Range/Medicine Bow NF-
357 AM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MST SUNDAY...

.TODAY...
Sky/weather.........Cloudy. Snow likely until 0800, then snow. Snow
                    accumulation up to 3 inches.
Max temperature.....30-35.
   24 hr trend......6 degrees cooler.
Min humidity........31-37 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......Northwest around 10 mph shifting to the east in
                    the afternoon. Gusts up to 20 mph.
LAL.................1.
Chc of wetting rain.45 percent.
Transport winds.....Northwest around 10 mph shifting to the
                    southeast in the afternoon.
Mixing height.......1100-3100 ft AGL.
Smoke dispersal.....Poor (12900-17000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Snow showers with light freezing
                    drizzle likely until 2400, then snow likely and
                    chance of light freezing drizzle. Snow
                    accumulation of 1 to 3 inches.
Min temperature.....17-22.
   24 hr trend......8 degrees cooler.
Max humidity........100 percent.
   24 hr trend......40 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East 5 to 10 mph.
LAL.................1.
Chc of wetting rain.55 percent.
Transport winds.....East 5 to 10 mph.
Mixing height.......1700-2800 ft AGL.
Smoke dispersal.....Poor (9500-22200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy
                    until 1500, then mostly sunny. Slight chance of
                    snow until 1100.
Max temperature.....25-33.
   24 hr trend......5 degrees cooler.
Min humidity........64-70 percent.
   24 hr trend......32 percent wetter.
20-foot winds.......Southwest around 5 mph and gusty increasing to
                    west around 15 mph with gusts to around 35 mph
                    in the afternoon.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....West around 10 mph increasing to around 30 mph
                    in the afternoon.
Mixing height.......1600-3200 ft AGL.
Smoke dispersal.....Poor to good (17700-61100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows in the lower 20s. Highs in the
lower 30s. West winds around 20 mph.
.TUESDAY...Mostly clear. Lows in the mid 20s. Highs in the upper
30s. West winds around 15 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers. Lows
around 30. Highs in the lower 40s. West winds around 15 mph.
.THURSDAY...Much colder. Mostly cloudy with snow showers likely.
Lows around 8. Highs around 17.
.FRIDAY...Partly cloudy. Lows around 1. Highs around 16.

$$

WYZ303-162315-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
357 AM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MST SUNDAY...

.TODAY...
Sky/weather.........Cloudy. Chance of snow until 0800, then snow
                    likely until 1700, then snow. Snow accumulation
                    up to 2 inches.
Max temperature.....32-37.
   24 hr trend......7 degrees cooler.
Min humidity........36-42 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Southwest around 10 mph shifting to the
                    northeast in the afternoon. Gusts up to 20 mph.
LAL.................1.
Chc of wetting rain.35 percent.
Transport winds.....Southwest around 10 mph shifting to the south
                    in the afternoon.
Mixing height.......700-2700 ft AGL.
Smoke dispersal.....Poor (8300-15000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Snow showers until 2400. chance of snow
                    after 2400. Snow accumulation up to 2 inches.
Min temperature.....15-20.
   24 hr trend......7 degrees cooler.
Max humidity........92-98 percent.
   24 hr trend......32 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.30 percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing height.......1500-2400 ft AGL.
Smoke dispersal.....Poor (19300-27600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
Max temperature.....26-31.
   24 hr trend......6 degrees cooler.
Min humidity........65-71 percent.
   24 hr trend......25 percent wetter.
20-foot winds.......West around 5 mph and gusty increasing to
                    southwest around 15 mph with higher gusts in
                    the afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph increasing to around 30 mph
                    in the afternoon.
Mixing height.......1200-3200 ft AGL.
Smoke dispersal.....Poor (12300 knot-ft) increasing to good (66900
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows around 19. Highs in the lower 30s.
Southwest winds around 15 mph.
.TUESDAY...Partly cloudy. Lows in the lower 20s. Highs in the mid
30s. Southwest winds around 15 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers. Lows in
the upper 20s. Highs in the upper 30s. Southwest winds around
15 mph.
.THURSDAY...Colder. Mostly cloudy with snow showers likely. Lows
around 8. Highs around 19.
.FRIDAY...Partly cloudy. Lows around 3 below. Highs around 14.

$$

WYZ304-162315-
Southwest Carbon County-
357 AM MST Sat Dec 16 2017

.TODAY...
Sky/weather.........Cloudy. Chance of snow until 1700, then snow
                    likely. Snow accumulation up to 1 inch.
Max temperature.....34-40.
   24 hr trend......4 degrees cooler.
Min humidity........34-40 percent.
   24 hr trend......4 percent wetter.
20-foot winds.......South around 5 mph shifting to the northeast in
                    the afternoon. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.20 percent.
Transport winds.....South around 10 mph.
Mixing height.......500-1000 ft AGL increasing to 2800-3800 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (7500-23200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Snow showers likely until 2400. chance
                    of snow after 2400. Snow accumulation up to 1
                    inch.
Min temperature.....13-18.
   24 hr trend......5 degrees cooler.
Max humidity........94-100 percent.
   24 hr trend......38 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North around 10 mph.
LAL.................1.
Chc of wetting rain.20 percent.
Transport winds.....North around 10 mph.
Mixing height.......800-1700 ft AGL.
Smoke dispersal.....Poor (9500-11700 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy.
Max temperature.....29-35.
   24 hr trend......5 degrees cooler.
Min humidity........51-57 percent.
   24 hr trend......23 percent wetter.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 5 mph increasing to southwest
                    around 20 mph in the afternoon.
Mixing height.......1400-1900 ft AGL increasing to 3600-4200 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (6700 knot-ft) increasing to fair (58500
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows around 14. Highs in the mid 30s.
Southwest winds around 10 mph.
.TUESDAY...Partly cloudy. Lows around 17. Highs around 40.
Southwest winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers. Lows
around 20. Highs in the lower 40s. Southwest winds around 10 mph.
.THURSDAY...Colder. Cloudy with chance of snow showers. Lows
around 8. Highs in the lower 20s.
.FRIDAY...Partly cloudy. Lows around 3 below. Highs in the lower
20s.

$$

WYZ305-162315-
Sierra Madre Range/Medicine Bow NF-
357 AM MST Sat Dec 16 2017

.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of snow.
Max temperature.....33-38.
   24 hr trend......1 degree cooler.
Min humidity........31-37 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 15 mph.
Mixing height.......500-1200 ft AGL increasing to 2500-3700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (11100-37500 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of snow until
                    1900. slight chance of snow showers after 1900
                    until 2200, then slight chance of snow until
                    0500.
Min temperature.....13-18.
   24 hr trend......6 degrees cooler.
Max humidity........91-97 percent.
   24 hr trend......46 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast around 5 mph shifting to the west
                    after midnight. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Southeast around 5 mph shifting to the west
                    after midnight.
Mixing height.......600-1900 ft AGL.
Smoke dispersal.....Poor (6400-7600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy.
Max temperature.....25-31.
   24 hr trend......8 degrees cooler.
Min humidity........63-69 percent.
   24 hr trend......32 percent wetter.
20-foot winds.......Southwest 5 to 10 mph. Gusts up to 15 mph
                    increasing to 25 mph in the afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph increasing to around 20 mph
                    in the afternoon.
Mixing height.......1000-3000 ft AGL.
Smoke dispersal.....Poor to fair (7800-46000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows around 16. Highs in the lower 30s.
Southwest winds around 10 mph.
.TUESDAY...Partly cloudy. Lows around 20. Highs in the mid 30s.
Southwest winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers. Lows in
the mid 20s. Highs in the upper 30s. Southwest winds around
10 mph.
.THURSDAY...Colder. Cloudy with snow showers likely. Lows around
13. Highs around 20.
.FRIDAY...Partly cloudy. Lows around 1. Highs around 18.

$$

WYZ306-162315-
Upper North Platte River Basin-
357 AM MST Sat Dec 16 2017

.TODAY...
Sky/weather.........Cloudy. Slight chance of snow until 1700, then
                    chance of snow.
Max temperature.....34-39.
   24 hr trend......1 degree cooler.
Min humidity........37-43 percent.
   24 hr trend......1 percent wetter.
20-foot winds.......South around 5 mph shifting to the north in the
                    afternoon. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....South around 10 mph.
Mixing height.......700-1200 ft AGL increasing to 3100-3600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (8900-18800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Chance of snow showers until 2400.
                    slight chance of snow after 2400.
Min temperature.....15-20.
   24 hr trend......6 degrees cooler.
Max humidity........100 percent.
   24 hr trend......29 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast around 5 mph shifting to the west
                    after midnight. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Northeast around 5 mph shifting to the
                    northwest after midnight.
Mixing height.......900-1800 ft AGL.
Smoke dispersal.....Poor (5000-6200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
Max temperature.....27-32.
   24 hr trend......7 degrees cooler.
Min humidity........60-66 percent.
   24 hr trend......25 percent wetter.
20-foot winds.......Southwest 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph increasing to around 20 mph
                    in the afternoon.
Mixing height.......1600-3400 ft AGL.
Smoke dispersal.....Poor to fair (10300-52000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows around 17. Highs in the lower 30s.
Southwest winds around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 20s. Highs in the
upper 30s. Southwest winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers. Lows in
the mid 20s. Highs around 40. Southwest winds around 10 mph.
.THURSDAY...Colder. Cloudy with chance of snow showers. Lows
around 11. Highs around 20.
.FRIDAY...Partly cloudy. Lows around 3 below. Highs around 16.

$$

WYZ307-162315-
Snowy Range/Medicine Bow NF-
357 AM MST Sat Dec 16 2017

.TODAY...
Sky/weather.........Cloudy. Slight chance of snow until 1700, then
                    chance of snow.
Max temperature.....32-37.
   24 hr trend......1 degree cooler.
Min humidity........26-32 percent.
   24 hr trend......6 percent wetter.
20-foot winds.......Southwest around 10 mph shifting to the
                    southeast in the afternoon. Gusts up to 20 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......700-2700 ft AGL.
Smoke dispersal.....Poor (10100-24800 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of snow showers until
                    2400, then slight chance of snow.
Min temperature.....11-16.
   24 hr trend......9 degrees cooler.
Max humidity........92-98 percent.
   24 hr trend......55 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East around 10 mph shifting to the south after
                    midnight. Gusts up to 20 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Southeast around 10 mph shifting to the
                    southwest after midnight.
Mixing height.......700-1600 ft AGL.
Smoke dispersal.....Poor (7000-9500 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
Max temperature.....23-29.
   24 hr trend......8 degrees cooler.
Min humidity........63-69 percent.
   24 hr trend......37 percent wetter.
20-foot winds.......West 5 to 10 mph. Gusts up to 20 mph increasing
                    to 35 mph in the afternoon.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph increasing to around 30 mph
                    in the afternoon.
Mixing height.......1000-3000 ft AGL.
Smoke dispersal.....Poor to fair (12000-59400 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows around 15. Highs in the upper 20s.
West winds around 15 mph.
.TUESDAY...Partly cloudy. Lows around 20. Highs in the lower 30s.
West winds around 15 mph.
.WEDNESDAY...Mostly clear. Chance of snow showers. Lows in the
mid 20s. Highs in the mid 30s. Southwest winds around 15 mph.
.THURSDAY...Colder. Cloudy with snow showers likely. Lows around
7. Highs around 17.
.FRIDAY...Partly cloudy with slight chance of snow showers. Lows
around 3 below. Highs around 14.

$$

WYZ308-162315-
Laramie Valley/Shirley Basin-
357 AM MST Sat Dec 16 2017

.TODAY...
Sky/weather.........Cloudy. Chance of snow until 1200, then snow.
                    Snow accumulation up to 1 inch.
Max temperature.....33-38.
   24 hr trend......3 degrees cooler.
Min humidity........33-39 percent.
   24 hr trend......9 percent drier.
20-foot winds.......North around 5 mph shifting to the east in the
                    afternoon. Gusts up to 20 mph.
LAL.................1.
Chc of wetting rain.20 percent.
Transport winds.....West around 10 mph shifting to the southeast in
                    the afternoon.
Mixing height.......600-2500 ft AGL.
Smoke dispersal.....Poor (6700-13800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Snow showers until 2400. chance
                    of snow after 2400. Snow accumulation up to 1
                    inch.
Min temperature.....16-21.
   24 hr trend......6 degrees cooler.
Max humidity........93-99 percent.
   24 hr trend......45 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East 5 to 10 mph.
LAL.................1.
Chc of wetting rain.25 percent.
Transport winds.....East around 15 mph becoming southeast around 5
                    mph after midnight.
Mixing height.......1800-2600 ft AGL.
Smoke dispersal.....Poor (15000-28000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy
                    until 1500, then mostly sunny.
Max temperature.....28-33.
   24 hr trend......2 degrees cooler.
Min humidity........58-64 percent.
   24 hr trend......26 percent wetter.
20-foot winds.......Southwest 5 to 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph increasing to west
                    around 25 mph in the afternoon.
Mixing height.......1800-3800 ft AGL.
Smoke dispersal.....Poor (14800 knot-ft) increasing to good (72700
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows around 19. Highs in the mid 30s.
West winds around 15 mph.
.TUESDAY...Mostly clear. Lows in the lower 20s. Highs in the
upper 30s. West winds around 15 mph.
.WEDNESDAY...Mostly clear. Chance of snow showers. Lows in the
upper 20s. Highs in the lower 40s. West winds around 10 mph.
.THURSDAY...Much colder. Mostly cloudy with snow showers likely.
Lows around 9. Highs around 19.
.FRIDAY...Partly cloudy with slight chance of snow showers. Lows
around 2 below. Highs around 16.

$$

WYZ309-162315-
South Laramie Range/Medicine Bow NF-
357 AM MST Sat Dec 16 2017

.TODAY...
Sky/weather.........Cloudy. Slight chance of snow until 1700, then
                    chance of snow.
Max temperature.....35-41.
   24 hr trend......11 degrees cooler.
Min humidity........20-26 percent.
   24 hr trend......9 percent drier.
20-foot winds.......North around 10 mph shifting to the east in the
                    afternoon. Gusts up to 25 mph.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Northwest around 15 mph shifting to the east in
                    the afternoon.
Mixing height.......600-1500 ft AGL increasing to 2100-3600 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (12500-20600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Chance of snow showers until 2400.
                    chance of light freezing drizzle. chance of
                    snow after 2400. Areas of freezing fog after
                    2300.
Min temperature.....19-25.
   24 hr trend......8 degrees cooler.
Max humidity........94-100 percent.
   24 hr trend......53 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.20 percent.
Transport winds.....East 5 to 10 mph.
Mixing height.......1600-2900 ft AGL.
Smoke dispersal.....Poor (12600-23800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy
                    until 1500, then mostly sunny. Areas of
                    freezing fog until 0800. Slight chance of light
                    freezing drizzle until 0800. slight chance of
                    snow until 1100.
Max temperature.....31-37.
   24 hr trend......2 degrees cooler.
Min humidity........50-56 percent.
   24 hr trend......30 percent wetter.
20-foot winds.......South around 5 mph increasing to west around 15
                    mph in the afternoon. Gusts up to 30 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph increasing to west
                    around 25 mph in the afternoon.
Mixing height.......2200-4200 ft AGL.
Smoke dispersal.....Poor (20100 knot-ft) increasing to good (76300
                    knot-ft) in the afternoon.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows in the lower 20s. Highs around 40.
West winds around 20 mph.
.TUESDAY...Mostly clear. Lows in the upper 20s. Highs in the mid
40s. West winds around 20 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 30s. Highs in the
upper 40s. West winds around 15 mph.
.THURSDAY...Much colder. Mostly cloudy with chance of snow
showers. Lows around 12. Highs in the lower 20s.
.FRIDAY...Partly cloudy with slight chance of snow showers. Lows
around 5. Highs around 20.

$$

WYZ310-162315-
Platte/Goshen/Central and Eastern Laramie-
357 AM MST Sat Dec 16 2017

.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow. slight chance of
                    rain after 1200.
Max temperature.....38-43.
   24 hr trend......17 degrees cooler.
Min humidity........20-26 percent.
   24 hr trend......Unchanged.
20-foot winds.......North around 10 mph shifting to the northeast
                    in the afternoon. Gusts up to 20 mph.
LAL.................1.
Chc of wetting rain.10 percent.
Transport winds.....North around 15 mph shifting to the east in the
                    afternoon.
Mixing height.......1100-1800 ft AGL increasing to 2700-4000 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor (20700-33800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Snow showers likely until 2400. chance
                    of light freezing drizzle. chance of snow after
                    2400. Patchy freezing fog after 2300. Snow
                    accumulation up to 1 inch.
Min temperature.....23-28.
   24 hr trend......6 degrees cooler.
Max humidity........93-99 percent.
   24 hr trend......49 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East 5 to 10 mph.
LAL.................1.
Chc of wetting rain.25 percent.
Transport winds.....East around 15 mph becoming northeast around 5
                    mph after midnight.
Mixing height.......2200-3000 ft AGL.
Smoke dispersal.....Poor (17400-27900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Cloudy until 0900, then partly cloudy until
                    1500, then mostly sunny. Patchy freezing fog
                    until 0800. Slight chance of light freezing
                    drizzle until 0800. slight chance of snow until
                    1100.
Max temperature.....36-41.
   24 hr trend......2 degrees cooler.
Min humidity........45-51 percent.
   24 hr trend......28 percent wetter.
20-foot winds.......South around 5 mph shifting to the southwest in
                    the afternoon. Gusts up to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......2600-4500 ft AGL.
Smoke dispersal.....Poor to fair (13900-55900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows in the mid 20s. Highs in the mid
40s. West winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 20s. Highs in the
upper 40s. West winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers. Lows around
30. Highs in the lower 50s. West winds around 10 mph.
.THURSDAY...Much colder. Mostly cloudy with chance of snow
showers and showers. Lows around 13. Highs in the mid 20s.
.FRIDAY...Partly cloudy with slight chance of snow showers. Lows
around 7. Highs in the mid 20s.

$$

NEZ311-162315-
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
357 AM MST Sat Dec 16 2017

.TODAY...
Sky/weather.........Cloudy. Slight chance of snow until 1100, then
                    chance of snow. chance of rain after 1200 until
                    1500.
Max temperature.....35-40.
   24 hr trend......16 degrees cooler.
Min humidity........40-46 percent.
   24 hr trend......22 percent wetter.
20-foot winds.......North around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Northeast around 15 mph.
Mixing height.......1000-3000 ft AGL.
Smoke dispersal.....Poor (12400-37800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Chance of snow showers until 2400, then
                    chance of snow.
Min temperature.....22-27.
   24 hr trend......3 degrees cooler.
Max humidity........93-99 percent.
   24 hr trend......37 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast 5 to 10 mph.
LAL.................1.
Chc of wetting rain.20 percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing height.......2100-2800 ft AGL.
Smoke dispersal.....Poor (26800-35000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy
                    until 1500, then mostly sunny. Slight chance of
                    snow until 1100.
Max temperature.....36-41.
   24 hr trend......1 degree warmer.
Min humidity........48-54 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......Southwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 5 mph increasing to around 15
                    mph in the afternoon.
Mixing height.......1800-2300 ft AGL increasing to 3800-4700 ft AGL
                    in the afternoon.
Smoke dispersal.....Poor to fair (5000-54200 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows in the lower 20s. Highs in the mid
40s. West winds around 10 mph.
.TUESDAY...Partly cloudy. Lows in the mid 20s. Highs in the mid
40s. West winds around 5 mph.
.WEDNESDAY...Partly cloudy with chance of showers. Lows in the
mid 20s. Highs around 50. Southwest winds around 10 mph.
.THURSDAY...Much colder. Mostly cloudy with snow showers likely
and chance of showers. Lows around 13. Highs in the mid 20s.
.FRIDAY...Partly cloudy. Lows around 8. Highs in the mid 20s.

$$

NEZ312-162315-
Box Butte/South Sioux-
357 AM MST Sat Dec 16 2017

.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of snow after 0800
                    until 1700. slight chance of rain after 1400
                    until 1500. chance of snow after 1700.
Max temperature.....37-42.
   24 hr trend......18 degrees cooler.
Min humidity........34-40 percent.
   24 hr trend......15 percent wetter.
20-foot winds.......North around 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.5 percent.
Transport winds.....Northeast around 20 mph.
Mixing height.......800-2500 ft AGL.
Smoke dispersal.....Poor (14500-35300 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Chance of snow showers until 2400.
                    chance of light freezing drizzle. chance of
                    snow after 2400. Patchy freezing fog after
                    2300.
Min temperature.....23-28.
   24 hr trend......4 degrees cooler.
Max humidity........92-98 percent.
   24 hr trend......32 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast 5 to 10 mph.
LAL.................1.
Chc of wetting rain.15 percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing height.......2000-2500 ft AGL.
Smoke dispersal.....Poor (26900-33300 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy.
                    Patchy freezing fog until 0800. Slight chance
                    of light freezing drizzle until 0800. slight
                    chance of snow until 1100.
Max temperature.....36-41.
   24 hr trend......Unchanged.
Min humidity........47-53 percent.
   24 hr trend......19 percent wetter.
20-foot winds.......Southwest around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 5 mph increasing to southwest
                    around 15 mph in the afternoon.
Mixing height.......2200-4200 ft AGL.
Smoke dispersal.....Poor to fair (6300-50300 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows in the lower 20s. Highs in the
upper 40s. West winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the mid 20s. Highs in the upper
40s. West winds around 5 mph.
.WEDNESDAY...Partly cloudy with chance of showers. Lows in the
mid 20s. Highs in the lower 50s. Southwest winds around 10 mph.
.THURSDAY...Much colder. Cloudy with chance of snow showers and
showers. Lows around 14. Highs in the upper 20s.
.FRIDAY...Partly cloudy with slight chance of snow showers. Lows
around 8. Highs in the mid 20s.

$$

NEZ313-162315-
Scotts Bluff National Monument/Wildcat Hills-
357 AM MST Sat Dec 16 2017

.TODAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy.
                    Chance of snow after 1700.
Max temperature.....40-45.
   24 hr trend......17 degrees cooler.
Min humidity........30-36 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......North around 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 20 mph.
Mixing height.......700-2600 ft AGL.
Smoke dispersal.....Poor (12600-36700 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Chance of light freezing drizzle and
                    snow. Patchy freezing fog after 2300.
Min temperature.....23-28.
   24 hr trend......1 degree cooler.
Max humidity........94-100 percent.
   24 hr trend......32 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast 5 to 10 mph.
LAL.................1.
Chc of wetting rain.10 percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing height.......1900-2600 ft AGL.
Smoke dispersal.....Poor (25600-30900 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy.
                    Patchy freezing fog until 0800. Slight chance
                    of light freezing drizzle until 0800. slight
                    chance of snow until 1100.
Max temperature.....37-42.
   24 hr trend......4 degrees cooler.
Min humidity........47-53 percent.
   24 hr trend......20 percent wetter.
20-foot winds.......West around 5 mph and gusty.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 5 to 10 mph.
Mixing height.......2300-4300 ft AGL.
Smoke dispersal.....Poor (11500-38500 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows in the lower 20s. Highs in the
upper 40s. West winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the mid 20s. Highs in the upper
40s. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 20s. Highs in the
lower 50s. Southwest winds around 10 mph.
.THURSDAY...Much colder. Mostly cloudy with snow showers likely
and slight chance of showers. Lows around 16. Highs in the upper
20s.
.FRIDAY...Partly cloudy. Slight chance of snow showers. Lows
around 10. Highs in the mid 20s.

$$



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