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

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000
FNUS55 KCYS 271037
FWFCYS

Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska
National Weather Service Cheyenne WY
437 AM MDT Thu Apr 27 2017

...WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES ARE IN
EFFECT FOR PORTIONS OF SOUTHEAST WYOMING AND THE NORTHERN NEBRASKA
PANHANDLE THROUGH FRIDAY...

.DISCUSSION...

A potent spring storm system moving over the Rockies today and
Friday will be widespread rain and snow to the district. Moderate
to heavy snow accumulations are expected in the mountains of
southeast Wyoming, and also along the Pine Ridge. Temperatures
will remain well below normal for this time of year. Much drier
conditions are expected through the weekend, but temperatures will
remain cool.

WYZ301-272215-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
437 AM MDT Thu Apr 27 2017

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
MDT FRIDAY...

.TODAY...
Sky/weather.........Cloudy. Chance of snow showers until 0900.
                    chance of showers after 0800 until 1200, then
                    showers. Little or no snow accumulation.
Max temperature.....43-48.
   24 hr trend......5 degrees cooler.
Min humidity........61-67 percent.
   24 hr trend......19 percent wetter.
20-foot winds.......East around 10 mph with higher gusts.
LAL.................1 until 1200, then 2.
Chc of wetting rain.45 percent.
Transport winds.....East 10 to 15 mph.
Mixing height.......1200-2900 ft AGL.
Smoke dispersal.....Poor (17100-28900 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Showers until 0400. snow showers after
                    2000. Snow accumulation of 1 to 3 inches.
Min temperature.....28-33.
   24 hr trend......2 degrees cooler.
Max humidity........94-100 percent.
   24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast around 10 mph.
LAL.................2 until 2100, then 1.
Chc of wetting rain.65 percent.
Transport winds.....Northeast around 15 mph.
Mixing height.......1400-2500 ft AGL.
Smoke dispersal.....Poor (20800-25700 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers. showers likely after
                    1200. Snow accumulation of 1 to 4 inches.
Max temperature.....34-39.
   24 hr trend......11 degrees cooler.
Min humidity........74-80 percent.
   24 hr trend......17 percent wetter.
20-foot winds.......Northeast around 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.55 percent.
Transport winds.....Northeast around 15 mph.
Mixing height.......2400-3700 ft AGL.
Smoke dispersal.....Poor to fair (33000-44400 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cloudy with chance of snow showers and showers. Lows
in the mid 20s. Highs in the upper 30s. North winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the mid 20s. Highs in the upper
40s. West winds around 5 mph.
.MONDAY...Partly cloudy. Slight chance of showers and snow
showers. Lows in the lower 30s. Highs around 50. Northwest winds
around 10 mph.
.TUESDAY...Mostly cloudy with chance of showers and snow showers.
Lows in the mid 30s. Highs around 50.
.WEDNESDAY...Mostly cloudy. Slight chance of showers. Lows in the
lower 30s. Highs in the lower 50s.

$$

WYZ302-272215-
North Laramie Range/Medicine Bow NF-
437 AM MDT Thu Apr 27 2017

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT MDT FRIDAY NIGHT...

.TODAY...
Sky/weather.........Cloudy. Snow showers likely until 1200. showers
                    likely after 0700 until 1200, then showers,
                    snow showers and slight chance of
                    thunderstorms. Snow accumulation up to 2
                    inches.
Max temperature.....36-42.
   24 hr trend......6 degrees cooler.
Min humidity........63-69 percent.
   24 hr trend......15 percent wetter.
20-foot winds.......West 10 to 15 mph with higher gusts.
LAL.................1 until 1200, then 2.
Chc of wetting rain.50 percent.
Transport winds.....West 15 to 20 mph.
Mixing height.......500-2000 ft AGL.
Smoke dispersal.....Poor (13900-23300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Slight chance of thunderstorms until
                    2100. showers likely until 2200. snow showers.
                    Snow accumulation of 1 to 5 inches.
Min temperature.....22-27.
   24 hr trend......6 degrees cooler.
Max humidity........100 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Northwest around 10 mph. Gusts up to 30 mph
                    decreasing to 20 mph after midnight.
LAL.................2 until 2100, then 1.
Chc of wetting rain.50 percent.
Transport winds.....Northwest around 15 mph.
Mixing height.......1900-3100 ft AGL.
Smoke dispersal.....Poor (30500-37600 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers. Snow accumulation of 4 to
                    8 inches.
Max temperature.....29-34.
   24 hr trend......8 degrees cooler.
Min humidity........77-83 percent.
   24 hr trend......23 percent wetter.
20-foot winds.......North around 10 mph shifting to the northeast
                    in the afternoon. Gusts up to 25 mph.
LAL.................1.
Chc of wetting rain.60 percent.
Transport winds.....North around 15 mph shifting to the northeast
                    in the afternoon.
Mixing height.......3100-3900 ft AGL.
Smoke dispersal.....Poor to fair (37300-49500 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cloudy with snow showers likely. Lows in the lower
20s. Highs in the lower 30s. Northeast winds around 10 mph.
.SUNDAY...Mostly clear. Lows around 20. Highs in the lower 40s.
Northwest winds around 10 mph.
.MONDAY...Partly cloudy. Slight chance of showers, thunderstorms
and snow showers. Lows in the upper 20s. Highs in the lower 40s.
Northwest winds around 10 mph.
.TUESDAY...Mostly cloudy with chance of showers and snow showers.
Lows around 30. Highs in the lower 40s.
.WEDNESDAY...Mostly cloudy. Chance of showers and snow showers.
Lows in the upper 20s. Highs in the mid 40s.

$$

WYZ303-272215-
Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains-
437 AM MDT Thu Apr 27 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT MDT FRIDAY NIGHT...

.TODAY...
Sky/weather.........Cloudy. Snow showers likely until 1200. showers
                    likely. snow showers and slight chance of
                    thunderstorms after 1200. Snow accumulation up
                    to 1 inch.
Max temperature.....39-44.
   24 hr trend......6 degrees cooler.
Min humidity........53-59 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......West around 20 mph with gusts to around 40 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.40 percent.
Transport winds.....West around 25 mph.
Mixing height.......2600-4600 ft AGL.
Smoke dispersal.....Fair to very good (56400-102600 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Showers likely until 2000. slight
                    chance of thunderstorms until 2100. snow
                    showers likely. Snow accumulation of 2 to 3
                    inches.
Min temperature.....22-27.
   24 hr trend......7 degrees cooler.
Max humidity........100 percent.
   24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West 15 to 20 mph. Gusts up to 40 mph
                    decreasing to 30 mph after midnight.
LAL.................2 until 2100, then 1.
Chc of wetting rain.50 percent.
Transport winds.....West 20 to 25 mph.
Mixing height.......2600-4600 ft AGL.
Smoke dispersal.....Fair to good (47700-72200 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers. showers after 1300. Snow
                    accumulation of 2 to 4 inches.
Max temperature.....32-37.
   24 hr trend......7 degrees cooler.
Min humidity........68-74 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......Northwest around 15 mph shifting to the north
                    in the afternoon. Gusts up to 25 mph.
LAL.................1.
Chc of wetting rain.60 percent.
Transport winds.....Northwest around 15 mph shifting to the north
                    in the afternoon.
Mixing height.......3300-4800 ft AGL.
Smoke dispersal.....Fair (52200-58000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cloudy with chance of snow showers. Lows in the lower
20s. Highs in the mid 30s. Northeast winds around 10 mph.
.SUNDAY...Mostly clear. Lows around 20. Highs in the mid 40s.
Northwest winds around 10 mph.
.MONDAY...Mostly cloudy with chance of showers, slight chance of
thunderstorms and snow showers. Lows in the lower 30s. Highs in
the upper 40s. West winds around 10 mph.
.TUESDAY...Mostly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows around 30. Highs in the
upper 40s.
.WEDNESDAY...Mostly cloudy. Slight chance of showers and snow
showers. Lows in the upper 20s. Highs in the upper 40s.

$$

WYZ304-272215-
Southwest Carbon County-
437 AM MDT Thu Apr 27 2017

.TODAY...
Sky/weather.........Cloudy. Snow showers likely until 1300. showers
                    likely. slight chance of thunderstorms after
                    1200. Snow accumulation up to 1 inch.
Max temperature.....40-45.
   24 hr trend......7 degrees cooler.
Min humidity........46-52 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Breezy. West 20 to 25 mph with gusts to around
                    40 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.40 percent.
Transport winds.....West 25 to 30 mph.
Mixing height.......4500-6500 ft AGL.
Smoke dispersal.....Good (90500 knot-ft) increasing to excellent
                    (156100 knot-ft) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
                    until 2100. chance of showers until 2400.
                    chance of snow showers after 1900.
Min temperature.....21-26.
   24 hr trend......9 degrees cooler.
Max humidity........93-99 percent.
   24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West 15 to 20 mph. Gusts up to 40 mph
                    decreasing to 30 mph after midnight.
LAL.................2 until 2100, then 1.
Chc of wetting rain.20 percent.
Transport winds.....West around 25 mph decreasing to around 15 mph
                    after midnight.
Mixing height.......4100-5500 ft AGL decreasing to 2400-3400 ft AGL
                    after midnight.
Smoke dispersal.....Good (98800 knot-ft) decreasing to fair (41400
                    knot-ft) after midnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers until 1600. showers likely
                    after 1300 until 1500, then showers. Snow
                    accumulation up to 2 inches.
Max temperature.....35-40.
   24 hr trend......5 degrees cooler.
Min humidity........59-65 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......Northwest around 10 mph with higher gusts.
LAL.................1.
Chc of wetting rain.50 percent.
Transport winds.....Northwest around 15 mph.
Mixing height.......3400-5200 ft AGL.
Smoke dispersal.....Fair (45800-55300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Mostly cloudy with chance of snow showers and
showers. Lows in the lower 20s. Highs in the lower 40s. Northeast
winds around 15 mph.
.SUNDAY...Partly cloudy. Lows in the lower 20s. Highs in the
upper 40s. Northwest winds around 10 mph.
.MONDAY...Mostly cloudy with slight chance of showers,
thunderstorms and snow showers. Lows in the lower 30s. Highs in
the lower 50s. West winds around 10 mph.
.TUESDAY...Mostly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the lower 50s.
.WEDNESDAY...Partly cloudy. Lows in the upper 20s. Highs in the
lower 50s.

$$

WYZ305-272215-
Sierra Madre Range/Medicine Bow NF-
437 AM MDT Thu Apr 27 2017

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT FRIDAY
NIGHT...

.TODAY...
Sky/weather.........Cloudy. Snow showers likely. slight chance of
                    thunderstorms after 1200. showers likely after
                    1300. Snow accumulation of 1 to 4 inches.
Max temperature.....31-37.
   24 hr trend......8 degrees cooler.
Min humidity........60-66 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......West 15 to 20 mph with gusts to around 35 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.45 percent.
Transport winds.....West 20 to 25 mph.
Mixing height.......2800-4800 ft AGL.
Smoke dispersal.....Fair to very good (57000-102000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Slight chance of thunderstorms until
                    2100. snow showers likely. Snow accumulation of
                    1 to 3 inches.
Min temperature.....16-21.
   24 hr trend......9 degrees cooler.
Max humidity........100 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......West around 15 mph with gusts to around 35 mph.
LAL.................2 until 2100, then 1.
Chc of wetting rain.35 percent.
Transport winds.....West 20 to 25 mph.
Mixing height.......2700-4500 ft AGL.
Smoke dispersal.....Fair to good (46700-77000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers likely. showers likely
                    after 1500. Snow accumulation of 1 to 3 inches.
Max temperature.....29-35.
   24 hr trend......3 degrees cooler.
Min humidity........60-66 percent.
   24 hr trend......Unchanged.
20-foot winds.......West 5 to 10 mph and gusty.
LAL.................1.
Chc of wetting rain.45 percent.
Transport winds.....West around 15 mph.
Mixing height.......3900-5600 ft AGL.
Smoke dispersal.....Fair (56600-58200 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cloudy with chance of snow showers. Lows around 19.
Highs in the mid 30s. Northeast winds around 10 mph.
.SUNDAY...Partly cloudy with chance of snow showers and slight
chance of showers. Lows around 15. Highs in the upper 30s.
Northwest winds around 10 mph.
.MONDAY...Cloudy with chance of showers, snow showers and slight
chance of thunderstorms. Lows in the upper 20s. Highs in the
lower 40s. West winds around 10 mph.
.TUESDAY...Cloudy with snow showers likely with possible showers
and thunderstorms. Lows in the upper 20s. Highs in the lower 40s.
.WEDNESDAY...Mostly cloudy. Chance of snow showers and slight
chance of showers. Lows in the mid 20s. Highs in the mid 40s.

$$

WYZ306-272215-
Upper North Platte River Basin-
437 AM MDT Thu Apr 27 2017

.TODAY...
Sky/weather.........Cloudy. Showers and snow showers likely. slight
                    chance of thunderstorms after 1200. Snow
                    accumulation up to 1 inch.
Max temperature.....38-43.
   24 hr trend......7 degrees cooler.
Min humidity........52-58 percent.
   24 hr trend......6 percent wetter.
20-foot winds.......West 15 to 20 mph with gusts to around 35 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.35 percent.
Transport winds.....West around 15 mph increasing to around 25 mph
                    in the afternoon.
Mixing height.......2700-4700 ft AGL.
Smoke dispersal.....Fair to good (44100-93200 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Showers likely until 2000. slight
                    chance of thunderstorms until 2100. snow
                    showers likely. Snow accumulation of 1 to 2
                    inches.
Min temperature.....20-25.
   24 hr trend......8 degrees cooler.
Max humidity........94-100 percent.
   24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West 15 to 20 mph. Gusts up to 35 mph
                    decreasing to 25 mph after midnight.
LAL.................2 until 2100, then 1.
Chc of wetting rain.35 percent.
Transport winds.....West 15 to 20 mph.
Mixing height.......2900-4900 ft AGL.
Smoke dispersal.....Fair to good (46800-72300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers likely. showers likely
                    after 1300. Snow accumulation of 1 to 2 inches.
Max temperature.....34-39.
   24 hr trend......5 degrees cooler.
Min humidity........55-61 percent.
   24 hr trend......6 percent wetter.
20-foot winds.......West around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.45 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing height.......4200-5500 ft AGL.
Smoke dispersal.....Fair (52000-56000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cloudy with chance of snow showers and slight chance
of showers. Lows in the lower 20s. Highs in the upper 30s.
Northeast winds around 10 mph.
.SUNDAY...Partly cloudy. Lows around 17. Highs in the mid 40s.
Northwest winds around 10 mph.
.MONDAY...Mostly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows around 30. Highs in the
upper 40s. West winds around 10 mph.
.TUESDAY...Cloudy with chance of showers, snow showers and slight
chance of thunderstorms. Lows in the upper 20s. Highs in the
upper 40s.
.WEDNESDAY...Mostly cloudy. Slight chance of showers and snow
showers. Lows in the upper 20s. Highs in the upper 40s.

$$

WYZ307-272215-
Snowy Range/Medicine Bow NF-
437 AM MDT Thu Apr 27 2017

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT FRIDAY
NIGHT...

.TODAY...
Sky/weather.........Cloudy. Snow showers likely. showers likely
                    after 1000. slight chance of thunderstorms
                    after 1200. Snow accumulation of 1 to 3 inches.
Max temperature.....30-36.
   24 hr trend......7 degrees cooler.
Min humidity........59-65 percent.
   24 hr trend......2 percent wetter.
20-foot winds.......Breezy. West around 15 mph increasing to around
                    25 mph in the afternoon. Gusts up to 40 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.40 percent.
Transport winds.....West 25 to 30 mph.
Mixing height.......2800-4800 ft AGL.
Smoke dispersal.....Good to very good (68400-118000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Slight chance of thunderstorms until
                    2100. snow showers likely. Snow accumulation of
                    1 to 4 inches.
Min temperature.....15-20.
   24 hr trend......9 degrees cooler.
Max humidity........94-100 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......West 15 to 20 mph with gusts to around 40 mph.
LAL.................2 until 2100, then 1.
Chc of wetting rain.40 percent.
Transport winds.....West 25 to 30 mph.
Mixing height.......3100-4800 ft AGL.
Smoke dispersal.....Good to very good (72700-101100 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers until 1200, then snow
                    showers likely. Snow accumulation of 1 to 5
                    inches.
Max temperature.....28-33.
   24 hr trend......4 degrees cooler.
Min humidity........59-65 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......Northwest 10 to 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.50 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing height.......4000-5900 ft AGL.
Smoke dispersal.....Good (71200-81800 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cloudy with chance of snow showers. Lows around 17.
Highs in the lower 30s. Northeast winds around 10 mph.
.SUNDAY...Partly cloudy. Chance of snow showers and slight chance
of showers. Lows around 13. Highs in the upper 30s. Northwest
winds around 10 mph.
.MONDAY...Mostly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the mid 20s. Highs around
40. West winds around 10 mph.
.TUESDAY...Cloudy with snow showers likely with possible showers
and thunderstorms. Lows in the mid 20s. Highs around 40.
.WEDNESDAY...Mostly cloudy with chance of snow showers and
showers. Lows in the lower 20s. Highs in the lower 40s.

$$

WYZ308-272215-
Laramie Valley/Shirley Basin-
437 AM MDT Thu Apr 27 2017

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT MDT FRIDAY NIGHT...

.TODAY...
Sky/weather.........Cloudy. Snow showers likely until 1000. showers
                    likely after 0800 until 1200, then chance of
                    showers and slight chance of thunderstorms.
                    Little or no snow accumulation.
Max temperature.....39-44.
   24 hr trend......5 degrees cooler.
Min humidity........52-58 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......West 15 to 20 mph with gusts to around 35 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.35 percent.
Transport winds.....Southwest around 15 mph increasing to west
                    around 25 mph in the afternoon.
Mixing height.......700-2700 ft AGL.
Smoke dispersal.....Poor (13200-31700 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Snow showers with possible showers and
                    thunderstorms until 2400, then chance of snow
                    showers. Snow accumulation of 1 to 3 inches.
Min temperature.....22-27.
   24 hr trend......6 degrees cooler.
Max humidity........93-99 percent.
   24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West around 15 mph. Gusts up to 35 mph
                    decreasing to 25 mph after midnight.
LAL.................2 until 2100, then 1.
Chc of wetting rain.35 percent.
Transport winds.....West around 20 mph.
Mixing height.......1400-3400 ft AGL.
Smoke dispersal.....Poor to fair (38600-42100 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers. showers after 1200. Snow
                    accumulation of 1 to 4 inches.
Max temperature.....31-36.
   24 hr trend......8 degrees cooler.
Min humidity........63-69 percent.
   24 hr trend......19 percent wetter.
20-foot winds.......Northwest around 10 mph shifting to the north
                    in the afternoon. Gusts up to 25 mph.
LAL.................1.
Chc of wetting rain.50 percent.
Transport winds.....Northwest around 15 mph shifting to the north
                    in the afternoon.
Mixing height.......3200-4300 ft AGL.
Smoke dispersal.....Fair (44900-50500 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cloudy with chance of snow showers. Lows around 19.
Highs in the mid 30s. Northeast winds around 10 mph.
.SUNDAY...Mostly clear. Lows around 18. Highs in the lower 40s.
Northwest winds around 10 mph.
.MONDAY...Mostly cloudy. Chance of showers, slight chance of
thunderstorms and snow showers. Lows in the upper 20s. Highs in
the mid 40s. West winds around 10 mph.
.TUESDAY...Mostly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the mid 40s.
.WEDNESDAY...Mostly cloudy. Chance of showers and snow showers.
Lows in the upper 20s. Highs in the upper 40s.

$$

WYZ309-272215-
South Laramie Range/Medicine Bow NF-
437 AM MDT Thu Apr 27 2017

.TODAY...
Sky/weather.........Mostly cloudy. Snow showers likely until 1000.
                    showers likely. slight chance of thunderstorms
                    after 1200. Snow accumulation up to 1 inch.
Max temperature.....40-48.
   24 hr trend......5 degrees cooler.
Min humidity........47-53 percent.
   24 hr trend......8 percent wetter.
20-foot winds.......West around 10 mph increasing to around 20 mph
                    in the afternoon. Gusts up to 35 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.40 percent.
Transport winds.....West 15 to 20 mph.
Mixing height.......700-2700 ft AGL.
Smoke dispersal.....Poor (17400-34800 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
                    until 2100. chance of showers until 2400.
                    chance of snow showers after 1900.
Min temperature.....23-29.
   24 hr trend......10 degrees cooler.
Max humidity........89-95 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Northwest 15 to 20 mph with gusts to around 35
                    mph.
LAL.................2 until 2100, then 1.
Chc of wetting rain.20 percent.
Transport winds.....West around 20 mph.
Mixing height.......1700-3100 ft AGL.
Smoke dispersal.....Poor to fair (39600-42400 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers likely until 1200.
                    showers. snow showers after 1200. Snow
                    accumulation of 1 to 4 inches.
Max temperature.....32-38.
   24 hr trend......10 degrees cooler.
Min humidity........63-69 percent.
   24 hr trend......25 percent wetter.
20-foot winds.......Northwest around 15 mph shifting to the north
                    in the afternoon. Gusts up to 30 mph.
LAL.................1.
Chc of wetting rain.50 percent.
Transport winds.....Northwest around 15 mph shifting to the north
                    in the afternoon.
Mixing height.......2900-4300 ft AGL.
Smoke dispersal.....Fair (48700-54700 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cloudy with snow showers likely. Lows in the lower
20s. Highs in the lower 30s. Northeast winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 20s. Highs in the lower
40s. Northwest winds around 10 mph.
.MONDAY...Partly cloudy. Chance of showers, slight chance of
thunderstorms and snow showers. Lows in the lower 30s. Highs in
the upper 40s. Northwest winds around 10 mph.
.TUESDAY...Mostly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the mid 40s.
.WEDNESDAY...Mostly cloudy. Chance of showers and snow showers.
Lows around 30. Highs in the upper 40s.

$$

WYZ310-272215-
Platte/Goshen/Central and Eastern Laramie-
437 AM MDT Thu Apr 27 2017

.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow showers until
                    1200. showers likely. slight chance of
                    thunderstorms after 1200. No snow accumulation.
Max temperature.....46-51.
   24 hr trend......6 degrees cooler.
Min humidity........53-59 percent.
   24 hr trend......17 percent wetter.
20-foot winds.......South around 5 mph and gusty shifting to the
                    west with higher gusts in the afternoon.
LAL.................1 until 1200, then 2.
Chc of wetting rain.40 percent.
Transport winds.....South around 10 mph shifting to the west in the
                    afternoon.
Mixing height.......700-2700 ft AGL.
Smoke dispersal.....Poor (11100-19300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Chance of showers and slight chance of
                    thunderstorms until 2400. chance of snow
                    showers. showers after 2400. Snow accumulation
                    up to 1 inch.
Min temperature.....28-33.
   24 hr trend......6 degrees cooler.
Max humidity........94-100 percent.
   24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest around 10 mph and gusty.
LAL.................2 until 2100, then 1.
Chc of wetting rain.35 percent.
Transport winds.....Northwest around 10 mph.
Mixing height.......1200-2700 ft AGL.
Smoke dispersal.....Poor (19000-20400 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers. chance of showers after
                    0800 until 1200, then showers. Snow
                    accumulation up to 4 inches.
Max temperature.....36-41.
   24 hr trend......9 degrees cooler.
Min humidity........67-73 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......Northeast 10 to 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.55 percent.
Transport winds.....Northeast 15 to 20 mph.
Mixing height.......2200-4200 ft AGL.
Smoke dispersal.....Poor to fair (35400-54300 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cloudy with chance of snow showers and showers. Lows
in the mid 20s. Highs in the upper 30s. North winds around
10 mph.
.SUNDAY...Mostly clear. Lows in the mid 20s. Highs in the upper
40s. Northwest winds around 10 mph.
.MONDAY...Partly cloudy. Slight chance of showers and snow
showers. Lows in the lower 30s. Highs in the lower 50s. Northwest
winds around 10 mph.
.TUESDAY...Mostly cloudy with chance of showers and snow showers.
Lows in the mid 30s. Highs in the lower 50s.
.WEDNESDAY...Mostly cloudy. Slight chance of showers. Lows in the
mid 30s. Highs in the lower 50s.

$$

NEZ311-272215-
Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
437 AM MDT Thu Apr 27 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
6 PM MDT FRIDAY...

.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of snow showers
                    until 0800. slight chance of showers after 0700
                    until 1200, then showers. No snow accumulation.
Max temperature.....47-52.
   24 hr trend......2 degrees warmer.
Min humidity........52-58 percent.
   24 hr trend......10 percent wetter.
20-foot winds.......East around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.30 percent.
Transport winds.....East 10 to 15 mph.
Mixing height.......2000-3500 ft AGL.
Smoke dispersal.....Poor to fair (21600-43400 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Showers until 0300. snow showers after
                    2300. Snow accumulation of 1 to 2 inches.
Min temperature.....29-34.
   24 hr trend......Unchanged.
Max humidity........100 percent.
   24 hr trend......8 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East around 10 mph.
LAL.................1.
Chc of wetting rain.60 percent.
Transport winds.....East around 15 mph.
Mixing height.......1100-3000 ft AGL.
Smoke dispersal.....Poor (21300-31800 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers until 1200. showers after
                    0900 until 1000. showers and snow showers
                    likely after 1200. Snow accumulation of 2 to 4
                    inches.
Max temperature.....34-40.
   24 hr trend......15 degrees cooler.
Min humidity........75-81 percent.
   24 hr trend......26 percent wetter.
20-foot winds.......Northeast around 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.50 percent.
Transport winds.....Northeast around 15 mph.
Mixing height.......1900-3200 ft AGL.
Smoke dispersal.....Poor (31400-38000 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cloudy with chance of snow showers and showers. Lows
in the mid 20s. Highs in the lower 40s. Northeast winds around
10 mph.
.SUNDAY...Partly cloudy. Lows in the upper 20s. Highs around 50.
Northwest winds around 10 mph.
.MONDAY...Partly cloudy with slight chance of showers. Lows in
the lower 30s. Highs in the mid 50s. Northwest winds around
10 mph.
.TUESDAY...Mostly cloudy. Chance of showers and snow showers.
Lows in the mid 30s. Highs in the mid 50s.
.WEDNESDAY...Mostly cloudy with chance of showers. Lows in the
mid 30s. Highs in the mid 50s.

$$

NEZ312-272215-
Box Butte/South Sioux-
437 AM MDT Thu Apr 27 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
6 PM MDT FRIDAY...

.TODAY...
Sky/weather.........Cloudy. Chance of snow showers until 0800.
                    chance of showers after 0700 until 1200, then
                    showers. No snow accumulation.
Max temperature.....47-52.
   24 hr trend......4 degrees cooler.
Min humidity........53-59 percent.
   24 hr trend......19 percent wetter.
20-foot winds.......Southeast around 10 mph and gusty.
LAL.................1.
Chc of wetting rain.35 percent.
Transport winds.....Southeast 10 to 15 mph.
Mixing height.......1900-3100 ft AGL.
Smoke dispersal.....Poor (18600-36100 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Showers and snow showers likely until
                    2400, then snow showers and showers. Snow
                    accumulation of 1 to 2 inches.
Min temperature.....29-34.
   24 hr trend......Unchanged.
Max humidity........100 percent.
   24 hr trend......8 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East around 10 mph.
LAL.................1.
Chc of wetting rain.50 percent.
Transport winds.....East around 15 mph.
Mixing height.......2000-3000 ft AGL.
Smoke dispersal.....Poor (26600-33000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers until 1200. showers after
                    1000 until 1200, then showers and snow showers
                    likely. Snow accumulation of 2 to 3 inches.
Max temperature.....34-39.
   24 hr trend......13 degrees cooler.
Min humidity........74-80 percent.
   24 hr trend......19 percent wetter.
20-foot winds.......Northeast around 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.55 percent.
Transport winds.....Northeast 15 to 20 mph.
Mixing height.......1900-2600 ft AGL.
Smoke dispersal.....Poor (30600-37100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cloudy with chance of snow showers and showers. Lows
in the mid 20s. Highs in the lower 40s. Northeast winds around
10 mph.
.SUNDAY...Partly cloudy. Lows in the mid 20s. Highs in the upper
40s. North winds around 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 30s. Highs in the
lower 50s. Northwest winds around 10 mph.
.TUESDAY...Mostly cloudy. Chance of showers and snow showers.
Lows in the mid 30s. Highs in the mid 50s.
.WEDNESDAY...Mostly cloudy with chance of showers and slight
chance of snow showers. Lows in the mid 30s. Highs in the mid
50s.

$$

NEZ313-272215-
Scotts Bluff National Monument/Wildcat Hills-
437 AM MDT Thu Apr 27 2017

.TODAY...
Sky/weather.........Cloudy. Chance of snow showers until 0700.
                    chance of showers until 1200, then showers
                    likely and slight chance of thunderstorms. No
                    snow accumulation.
Max temperature.....47-52.
   24 hr trend......5 degrees cooler.
Min humidity........55-61 percent.
   24 hr trend......25 percent wetter.
20-foot winds.......Southeast 5 to 10 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.35 percent.
Transport winds.....Southeast around 10 mph.
Mixing height.......1700-3100 ft AGL.
Smoke dispersal.....Poor (18200-27900 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...
Sky/weather.........Cloudy. Chance of showers and slight chance of
                    thunderstorms until 2400. chance of snow
                    showers. showers likely after 2400. Snow
                    accumulation up to 1 inch.
Min temperature.....29-34.
   24 hr trend......3 degrees cooler.
Max humidity........100 percent.
   24 hr trend......8 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East around 5 mph shifting to the northeast
                    after midnight. Gusts up to 15 mph.
LAL.................2 until 2100, then 1.
Chc of wetting rain.30 percent.
Transport winds.....East around 10 mph shifting to the northeast
                    after midnight.
Mixing height.......1200-2700 ft AGL.
Smoke dispersal.....Poor (12600-18500 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FRIDAY...
Sky/weather.........Cloudy. Snow showers likely until 1200. showers
                    likely. snow showers after 1200. Snow
                    accumulation up to 2 inches.
Max temperature.....38-43.
   24 hr trend......10 degrees cooler.
Min humidity........65-71 percent.
   24 hr trend......7 percent wetter.
20-foot winds.......Northeast 10 to 15 mph with higher gusts.
LAL.................1.
Chc of wetting rain.45 percent.
Transport winds.....Northeast 15 to 20 mph.
Mixing height.......1900-3600 ft AGL.
Smoke dispersal.....Poor to fair (23900-45100 knot-ft).
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...Cloudy with chance of snow showers and showers. Lows
in the upper 20s. Highs in the lower 40s. Northeast winds around
10 mph.
.SUNDAY...Partly cloudy. Slight chance of snow showers. Lows in
the upper 20s. Highs around 50. North winds around 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 30s. Highs in the mid
50s. Northwest winds around 10 mph.
.TUESDAY...Mostly cloudy with chance of showers. Lows in the mid
30s. Highs in the mid 50s.
.WEDNESDAY...Mostly cloudy. Slight chance of showers. Lows in the
mid 30s. Highs in the mid 50s.

$$


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